{"permit":"OH0008656","name":"City of Logan WTP","state":"OH","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/OH0008656"},"about":[{"label":"What it is","text":"Water Supply (EPA's industry listing)"},{"label":"Where","text":"Logan, Ohio","href":"https://www.openstreetmap.org/?mlat=39.53401&mlon=-82.41084#map=14/39.53401/-82.41084"},{"label":"Last 12 months","text":"Over a limit once, last in March 2026 (Toxicity [acute], Ceriodaphnia dubia)"},{"label":"Permit","text":"In force until Apr 30, 2028"}],"renewal_due":null,"renewal_check":{"offered_because":"application_due_within_18_months","application_due":"2027-11-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/OH0008656#renewal","says":"Each limit a renewal could tighten or add, from the state's water-quality standards and the federal rules for this kind of discharge, each cited to its rule, beside EPA's 12-month record; a rule we do not hold is named, never guessed. A person orders it on the permit's page with their email; it is sent by email within 5 business days."},"sector":{"state":"OH","sic":"4941","permits":147,"list":"https://passage-data.com/api/v1/permits?state=OH&sic=4941","page":"https://passage-data.com/dmr/s/OH/4941"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":1,"over_by":[["Toxicity [acute], Ceriodaphnia dubia",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"002","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"monthly average","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"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":null},{"outfall":"002","parameter":"Oxygen, dissolved [DO]","parameter_code":"00300","statistic":"daily minimum","qualifier":">=","value":"6","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"daily minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"pH","parameter_code":"00400","statistic":"daily maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"12","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"18","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"28.4","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"42.6","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Iron, suspended","parameter_code":"01044","statistic":"monthly average","qualifier":"<=","value":"1000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Iron, suspended","parameter_code":"01044","statistic":"daily maximum","qualifier":"<=","value":"2000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Iron, suspended","parameter_code":"01044","statistic":"monthly average","qualifier":"<=","value":"2.37","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Iron, suspended","parameter_code":"01044","statistic":"daily maximum","qualifier":"<=","value":"4.74","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Manganese, suspended","parameter_code":"01054","statistic":"monthly average","qualifier":"<=","value":"1000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Manganese, suspended","parameter_code":"01054","statistic":"daily maximum","qualifier":"<=","value":"2000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Manganese, suspended","parameter_code":"01054","statistic":"monthly average","qualifier":"<=","value":"2.37","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Manganese, suspended","parameter_code":"01054","statistic":"daily maximum","qualifier":"<=","value":"4.74","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Strontium, total recoverable, ug/L","parameter_code":"01084","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Strontium, total recoverable, ug/L","parameter_code":"01084","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"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":null},{"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":null},{"outfall":"002","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":".038","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Toxicity [acute], Ceriodaphnia dubia","parameter_code":"61425","statistic":"daily maximum","qualifier":"<=","value":"1","unit":"tox acute","report_only":false,"enforceable":true,"months":["MAR","SEP"],"limit_set":null},{"outfall":"002","parameter":"Solids, total dissolved- 180 deg. C","parameter_code":"70300","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":null},{"outfall":"002","parameter":"Solids, total dissolved- 180 deg. C","parameter_code":"70300","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":null}],"next":[{"tool":"list_permits","says":"Screening this industry? list_permits lists every permit of it in this state in one call, each with its page and its get_permit address; `get` is the address to fetch.","arguments":{"state":"OH","sic":"4941"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=OH&sic=4941","url":"https://passage-data.com/api/v1/permits?state=OH&sic=4941","page":"https://passage-data.com/dmr/s/OH/4941"},{"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":"OH0008656"},"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=OH0008656"},{"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":"OH0008656"},"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=OH0008656"}]}