{"permit":"SD0021628","name":"Belle Fourche, City of","state":"SD","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/SD0021628"},"about":[{"label":"What it is","text":"Sewage treatment plant"},{"label":"Where","text":"Belle Fourche, South Dakota","href":"https://www.openstreetmap.org/?mlat=44.6957270&mlon=-103.843240#map=14/44.6957270/-103.843240"},{"label":"Last 12 months","text":"No reports in EPA's file"},{"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/SD0021628#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":null,"limits_from_version":null,"record":null,"over_limits":[],"limits":[{"outfall":"001","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"monthly minimum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"SU","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"E. coli, colony forming units [CFU]","parameter_code":"51041","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"#/100mL","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Flow, total","parameter_code":"51500","statistic":"monthly total","qualifier":null,"value":null,"unit":"Mgal","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"},{"outfall":"001","parameter":"Duration of discharge","parameter_code":"81381","statistic":"monthly total","qualifier":null,"value":null,"unit":"d","report_only":true,"enforceable":true,"months":"all","limit_set":"Any discharge from the wastewater treatment facility"}],"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":"SD0021628"},"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=SD0021628"},{"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":"SD0021628"},"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=SD0021628"}]}