{"permit":"MO0041076","name":"City of Clarence","state":"MO","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MO0041076"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Clarence, Missouri","href":"https://www.openstreetmap.org/?mlat=39.7561352&mlon=-92.247365#map=14/39.7561352/-92.247365"},{"label":"Last 12 months","text":"Over a limit 2 times, last in March 2026 (Nitrogen, ammonia total [as N])"},{"label":"Permit","text":"In force until Nov 30, 2028"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":2,"over_by":[["Nitrogen, ammonia total [as N]",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Nitrogen, ammonia total [as N]","times":2,"find_limits":{"parameter":"ammonia","place":"US-MO","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MO&medium=surface_water"}],"upcoming":[{"parameter":"E. coli","outfall":"001","limit":206,"unit":"#/100mL","statistic":"30-day geometric mean","statistic_code":"3A","begin":"2028-07-01","kind":"new","months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"now":null},{"parameter":"E. coli","outfall":"001","limit":1030,"unit":"#/100mL","statistic":"7-day geometric mean","statistic_code":"7B","begin":"2028-07-01","kind":"new","months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"now":null},{"parameter":"E. coli","outfall":"002","limit":206,"unit":"#/100mL","statistic":"30-day geometric mean","statistic_code":"3A","begin":"2028-07-01","kind":"new","months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"now":null},{"parameter":"E. coli","outfall":"002","limit":1030,"unit":"#/100mL","statistic":"7-day geometric mean","statistic_code":"7B","begin":"2028-07-01","kind":"new","months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"now":null},{"parameter":"E. coli","outfall":"003","limit":206,"unit":"#/100mL","statistic":"30-day geometric mean","statistic_code":"3A","begin":"2028-07-01","kind":"new","months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"now":null},{"parameter":"E. coli","outfall":"003","limit":1030,"unit":"#/100mL","statistic":"7-day geometric mean","statistic_code":"7B","begin":"2028-07-01","kind":"new","months":["APR","MAY","JUN","JUL","AUG","SEP","OCT"],"now":null}],"limits":[{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"65","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"110","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"70","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.9","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"3.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"65","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"110","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"70","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.9","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"3.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"002","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"002","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"002","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"65","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"110","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"70","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.9","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"3.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"003","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"003","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"003","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"65","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"110","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"70","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"daily maximum","qualifier":"<=","value":"15","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Oil and grease [soxhlet extr.] tot.","parameter_code":"00550","statistic":"monthly average","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"12.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"10.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.3","unit":"mg/L","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"2.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB","MAR","DEC"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.7","unit":"mg/L","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.5","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"3.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","NOV"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.9","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"1.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"Monthly"},{"outfall":"004","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Quarterly"},{"outfall":"004","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"004","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"65","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Monthly"},{"outfall":"INF","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Monthly"},{"outfall":"INF","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Monthly"},{"outfall":"INF","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Nitrite + Nitrate total [as N]","parameter_code":"00630","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"},{"outfall":"INF","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Influent Monitoring Quarterly"}],"next":[{"tool":"find_limits","says":"What do the rules say about what it went over on? find_limits gives the cited state and federal limits for it, each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"ammonia","place":"US-MO","medium":"surface_water"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MO&medium=surface_water","url":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-MO&medium=surface_water","page":"https://passage-data.com/limits/US-MO/ammonia"},{"tool":"check_dmr","says":"Before your user files this permit's DMR: check_dmr sets each value beside the permit's limit for that period, with EPA's violation rule's verdict.","arguments":{"permit":"MO0041076"},"needs":{"period_end":"The reporting period: its month (2026-09).","values":"The period's values as your user will file them: [{outfall, parameter, statistic, value, unit}, ...]."},"post":"/api/v1/dmr/check","url":"https://passage-data.com/api/v1/dmr/check","page":"https://passage-data.com/dmr/?permit=MO0041076"},{"tool":"fill_dmr","says":"Has your user the plant's raw daily results? fill_dmr computes the period's DMR values from them, each with the rows it came from.","arguments":{"permit":"MO0041076"},"needs":{"period_end":"The reporting period: its month (2026-09).","rows":"The plant's results: [{date, parameter, value, unit, point}, ...]; or `table`, the lab's or plant's export as text."},"post":"/api/v1/dmr/fill","url":"https://passage-data.com/api/v1/dmr/fill","page":"https://passage-data.com/dmr/?permit=MO0041076"}]}