{"permit":"WY0021920","name":"Casper, City of","state":"WY","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/WY0021920"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Casper, Wyoming","href":"https://www.openstreetmap.org/?mlat=42.85946&mlon=-106.29259#map=14/42.85946/-106.29259"},{"label":"Last 12 months","text":"Over a limit 8 times, last in August 2026 (BOD, 5-day, 20 deg. C; Solids, total suspended; Ammonia nitrogen, total, [as N] 30 day)"},{"label":"Permit","text":"In force until Oct 31, 2030"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":8,"over_by":[["BOD, 5-day, 20 deg. C",2],["Solids, total suspended",2],["Ammonia nitrogen, total, [as N] 30 day",2]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"BOD, 5-day, 20 deg. C","times":2,"find_limits":{"parameter":"bod","place":"US-WY","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-WY&medium=water_discharge"},{"parameter":"Solids, total suspended","times":2,"find_limits":{"parameter":"total suspended solids","place":"US-WY","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=total+suspended+solids&place=US-WY&medium=water_discharge"},{"parameter":"Ammonia nitrogen, total, [as N] 30 day","times":2,"find_limits":{"parameter":"ammonia nitrogen","place":"US-WY","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia+nitrogen&place=US-WY&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001MA"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","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":"001MM"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","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":"001MM"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001NU"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"12.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001MM"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001MM"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"31.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001MM"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"17.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001MM"},{"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":"001NU"},{"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":"001NU"},{"outfall":"001","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Phosphate, ortho [as P]","parameter_code":"04175","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001NU"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":".0612","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001MM"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":".0618","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001MM"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".1058","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001MM"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".1067","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001MM"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"monthly average","qualifier":"<=","value":"3306","unit":"#/100mL","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001MM"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"monthly average","qualifier":"<=","value":"473","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001MM"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"3306","unit":"#/100mL","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001MM"},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"1080","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001MM"},{"outfall":"001","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"001NU"},{"outfall":"001","parameter":"Flow","parameter_code":"74076","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Flow","parameter_code":"74076","statistic":"monthly average","qualifier":"<=","value":"10","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Produced water, oil and grease","parameter_code":"82599","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"001MM"},{"outfall":"001","parameter":"Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"TGP3B","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001QQ"},{"outfall":"001","parameter":"Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"TGP3B","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001QQ"},{"outfall":"001","parameter":"Pass/Fail Static Renewal 7Day Chronic Pimephales promelas","parameter_code":"TGP6C","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"001QQ"},{"outfall":"001","parameter":"Pass/Fail Static Renewal 7Day Chronic Pimephales promelas","parameter_code":"TGP6C","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"001QQ"},{"outfall":"002","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002MA"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","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":"002MM"},{"outfall":"002","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"instantaneous maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","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":"002MM"},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"weekly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002NU"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"12.6","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002MM"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002MM"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"31.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002MM"},{"outfall":"002","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"17.1","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002MM"},{"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":"002NU"},{"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":"002NU"},{"outfall":"002","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Phosphate, ortho [as P]","parameter_code":"04175","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002NU"},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":".0612","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002MM"},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":".0618","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002MM"},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".1058","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002MM"},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".1067","unit":"mg/L","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002MM"},{"outfall":"002","parameter":"E. coli","parameter_code":"51040","statistic":"monthly average","qualifier":"<=","value":"473","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002MM"},{"outfall":"002","parameter":"E. coli","parameter_code":"51040","statistic":"monthly average","qualifier":"<=","value":"3306","unit":"#/100mL","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002MM"},{"outfall":"002","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"1080","unit":"#/100mL","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002MM"},{"outfall":"002","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"3306","unit":"#/100mL","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002MM"},{"outfall":"002","parameter":"Solids, total dissolved","parameter_code":"70295","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"002NU"},{"outfall":"002","parameter":"Flow","parameter_code":"74076","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Flow","parameter_code":"74076","statistic":"monthly average","qualifier":"<=","value":"10","unit":"MGD","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Produced water, oil and grease","parameter_code":"82599","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"002MM"},{"outfall":"002","parameter":"Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"TGP3B","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002QQ"},{"outfall":"002","parameter":"Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia","parameter_code":"TGP3B","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002QQ"},{"outfall":"002","parameter":"Pass/Fail Static Renewal 7Day Chronic Pimephales promelas","parameter_code":"TGP6C","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["JAN","FEB","MAR","APR","OCT","NOV","DEC"],"limit_set":"002QQ"},{"outfall":"002","parameter":"Pass/Fail Static Renewal 7Day Chronic Pimephales promelas","parameter_code":"TGP6C","statistic":"7-day maximum","qualifier":"<=","value":"0","unit":"pass=0;fail=1","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP"],"limit_set":"002QQ"},{"outfall":"DMP1","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"DMP1MM"},{"outfall":"DMP1","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"DMP1MM"},{"outfall":"DMP1","parameter":"pH","parameter_code":"00400","statistic":"instantaneous maximum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"DMP1MM"}],"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":"bod","place":"US-WY","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-WY&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=bod&place=US-WY&medium=water_discharge","page":"https://passage-data.com/limits/US-WY/bod"},{"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":"WY0021920"},"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=WY0021920"},{"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":"WY0021920"},"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=WY0021920"}]}