{"permit":"IN0021377","name":"DELPHI WWTP","state":"IN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/IN0021377"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Delphi, Indiana","href":"https://www.openstreetmap.org/?mlat=40.580444&mlon=-86.680722#map=14/40.580444/-86.680722"},{"label":"Last 12 months","text":"Over a limit 13 times, last in August 2026 (Phosphorus, total [as P]; Nitrogen, ammonia total [as N]; E. coli, colony forming units [CFU]). 1 of 17 reports filed late"},{"label":"Permit","text":"In force until Sep 30, 2031"}],"renewal_due":null,"renewal_check":null,"sector":null,"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":13,"over_by":[["Phosphorus, total [as P]",10],["Nitrogen, ammonia total [as N]",2],["E. coli, colony forming units [CFU]",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[{"parameter":"Phosphorus, total [as P]","times":10,"find_limits":{"parameter":"phosphorus","place":"US-IN","medium":"water_discharge"},"get":"https://passage-data.com/api/v1/limits?parameter=phosphorus&place=US-IN&medium=water_discharge"},{"parameter":"Nitrogen, ammonia total [as N]","times":2,"find_limits":{"parameter":"ammonia","place":"US-IN","medium":"surface_water"},"get":"https://passage-data.com/api/v1/limits?parameter=ammonia&place=US-IN&medium=surface_water"}],"limits":[{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily average minimum","qualifier":">=","value":"5","unit":"mg/L","report_only":false,"enforceable":true,"months":["MAY","JUN","JUL","AUG","SEP","OCT","NOV"],"limit_set":"CLASS III, 1.5 MGD WWTP TO DEER CREEK"},{"outfall":"001","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily average 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each with its rule; `get` is the address to fetch, and `over_limits` holds one for each parameter.","arguments":{"parameter":"phosphorus","place":"US-IN","medium":"water_discharge"},"needs":{},"get":"https://passage-data.com/api/v1/limits?parameter=phosphorus&place=US-IN&medium=water_discharge","url":"https://passage-data.com/api/v1/limits?parameter=phosphorus&place=US-IN&medium=water_discharge","page":"https://passage-data.com/limits/US-IN/phosphorus"},{"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":"IN0021377"},"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=IN0021377"},{"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":"IN0021377"},"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=IN0021377"}]}