{"permit":"IA0074420","name":"CITY OF CENTER POINT","state":"IA","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/IA0074420"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Center Point, Iowa","href":"https://www.openstreetmap.org/?mlat=42.1742&mlon=-91.78123#map=14/42.1742/-91.78123"},{"label":"Last 12 months","text":"No values over a limit"},{"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":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":">=","value":"1","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":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"30-day average","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":"<=","value":"202","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":"<=","value":"304","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"30-day average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"30-day average","qualifier":"<=","value":"103","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"daily maximum","qualifier":"<=","value":"168.6","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"3","unit":"mg/L","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"4.8","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"4.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.6","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":"30-day average","qualifier":"<=","value":"4.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.2","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":"30-day average","qualifier":"<=","value":"1.9","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":"30-day average","qualifier":"<=","value":"2.8","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"1.3","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":"30-day average","qualifier":"<=","value":"1.9","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":"30-day average","qualifier":"<=","value":"1.3","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":"30-day average","qualifier":"<=","value":"2.1","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":"16.4","unit":"mg/L","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"14.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"15.2","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":"15.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"17.3","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":"daily maximum","qualifier":"<=","value":"16.4","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":"15.2","unit":"mg/L","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"17.4","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":"daily maximum","qualifier":"<=","value":"16.3","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":"daily maximum","qualifier":"<=","value":"18.7","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":"15.9","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":"30-day average","qualifier":"<=","value":"18.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"29.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"25.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"9.9","unit":"lb/d","report_only":false,"enforceable":true,"months":["JUN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"25.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"7.2","unit":"lb/d","report_only":false,"enforceable":true,"months":["AUG"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"11.7","unit":"lb/d","report_only":false,"enforceable":true,"months":["OCT"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"17.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"8","unit":"lb/d","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"11.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["APR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"7.6","unit":"lb/d","report_only":false,"enforceable":true,"months":["JUL"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":"<=","value":"13","unit":"lb/d","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":"109.8","unit":"lb/d","report_only":false,"enforceable":true,"months":["DEC"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"97.4","unit":"lb/d","report_only":false,"enforceable":true,"months":["FEB"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"101","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAR"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"101","unit":"lb/d","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":"104.3","unit":"lb/d","report_only":false,"enforceable":true,"months":["JAN"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"114.2","unit":"lb/d","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":"109.3","unit":"lb/d","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":"101.6","unit":"lb/d","report_only":false,"enforceable":true,"months":["NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"115.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["SEP"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"108.4","unit":"lb/d","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":"123.7","unit":"lb/d","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":"105.5","unit":"lb/d","report_only":false,"enforceable":true,"months":["MAY"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","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":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"30-day average","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"lb/d","report_only":true,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"geometric mean","qualifier":"<=","value":"126","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV"],"limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"30-day average","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"40","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"30-day average","qualifier":"<=","value":"169","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"},{"outfall":"001","parameter":"BOD, carbonaceous [5 day, 20 C]","parameter_code":"80082","statistic":"7-day average","qualifier":"<=","value":"270","unit":"lb/d","report_only":false,"enforceable":true,"months":"all","limit_set":"MONTHLY"}],"next":[{"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":"IA0074420"},"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=IA0074420"},{"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":"IA0074420"},"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=IA0074420"}]}