{"permit":"ND0031160","name":"Three Affiliated Tribes Utilities - MHA Interpretive Center","state":"ND","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/ND0031160"},"about":[{"label":"What it is","text":"Schools & Educational Services (EPA's industry listing)"},{"label":"Where","text":"New Town, North Dakota","href":"https://www.openstreetmap.org/?mlat=47.973600&mlon=-102.595200#map=14/47.973600/-102.595200"},{"label":"Last 12 months","text":"Over a limit 3 times, last in December 2025 (E. coli; Solids, suspended percent removal). 52 required values not reported"},{"label":"Permit","text":"Expired Aug 31, 2023; its limits still apply until a new permit is issued, and EPA still expects the reports"}],"renewal_due":null,"renewal_check":{"offered_because":"permit_expired","application_due":"2023-03-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/ND0031160#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":{"last_filed":"2026-03-31","over":3,"over_by":[["E. coli",2],["Solids, suspended percent removal",1]],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Flow rate","parameter_code":"00058","statistic":"quarterly average","qualifier":null,"value":null,"unit":"gal/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Flow rate","parameter_code":"00058","statistic":"quarterly total","qualifier":null,"value":null,"unit":"gal/d","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"30-day average","qualifier":"<=","value":"30","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"7-day average","qualifier":"<=","value":"45","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"7-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"7-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Oil & Grease","parameter_code":"00556","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Nitrogen, total [as N]","parameter_code":"00600","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"30-day average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"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":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Floating solids, waste or visible foam-visual","parameter_code":"45613","statistic":"instantaneous maximum","qualifier":"<=","value":"0","unit":"N=0;Y=1","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"30-day average","qualifier":"<=","value":"126","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"E. coli","parameter_code":"51040","statistic":"daily maximum","qualifier":"<=","value":"410","unit":"#/100mL","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"BOD, 5-day, percent removal","parameter_code":"81010","statistic":"daily minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"daily minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."},{"outfall":"001","parameter":"Oil and grease visual","parameter_code":"84066","statistic":"instantaneous maximum","qualifier":"<=","value":"0","unit":"N=0;Y=1","report_only":false,"enforceable":true,"months":"all","limit_set":"Discharges from the wastewater treatment plant goes to the Missouri River."}],"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":"ND0031160"},"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=ND0031160"},{"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":"ND0031160"},"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=ND0031160"}]}