{"permit":"MN0000256","name":"Saint Paul Park Refining Co LLC","state":"MN","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MN0000256"},"about":[{"label":"What it is","text":"Petroleum Refining (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Saint Paul Park, Minnesota","href":"https://www.openstreetmap.org/?mlat=44.851944&mlon=-93.004722#map=14/44.851944/-93.004722"},{"label":"Last 12 months","text":"No values over a limit. 32 required values not reported"},{"label":"Permit","text":"Expired May 31, 2019; 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":"2018-12-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MN0000256#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":"MN","sic":"29","permits":3,"list":"https://passage-data.com/api/v1/permits?state=MN&sic=29","page":"https://passage-data.com/dmr/s/MN/29"},"limits_from_version":null,"record":{"last_filed":"2026-06-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Temperature, water deg. fahrenheit","parameter_code":"00011","statistic":"daily maximum","qualifier":"<=","value":"105","unit":"deg F","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"25","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"monthly average","qualifier":"<=","value":"186","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. C","parameter_code":"00310","statistic":"daily maximum","qualifier":"<=","value":"369","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"instantaneous maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"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":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":"<=","value":"172","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":"<=","value":"269","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"monthly average","qualifier":"<=","value":"63","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Oil and grease, hexane extr method","parameter_code":"00552","statistic":"daily maximum","qualifier":"<=","value":"118","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"monthly average","qualifier":"<=","value":"108","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Nitrogen, ammonia total [as N]","parameter_code":"00610","statistic":"daily maximum","qualifier":"<=","value":"238","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Nitrogen, ammonia, tot unionized [as N]","parameter_code":"00612","statistic":"daily maximum","qualifier":"<=","value":".46","unit":"mg/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Nitrogen, Kjeldahl, total [as N]","parameter_code":"00625","statistic":"daily maximum","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":["APR","SEP"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"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":["APR","SEP"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"monthly total","qualifier":null,"value":null,"unit":"kg/mo","report_only":true,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Phosphorus, total [as P]","parameter_code":"00665","statistic":"annual total","qualifier":"<=","value":"1515","unit":"kg/yr","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Sulfide, total [as S]","parameter_code":"00745","statistic":"monthly average","qualifier":"<=","value":"1","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Sulfide, total [as S]","parameter_code":"00745","statistic":"daily maximum","qualifier":"<=","value":"2.4","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"monthly average","qualifier":"<=","value":".25","unit":"kg/d","report_only":false,"enforceable":true,"months":["FEB","MAY","AUG","NOV"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Chromium, hexavalent [as Cr]","parameter_code":"01032","statistic":"daily maximum","qualifier":"<=","value":".55","unit":"kg/d","report_only":false,"enforceable":true,"months":["FEB","MAY","AUG","NOV"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"monthly average","qualifier":"<=","value":"2.91","unit":"kg/d","report_only":false,"enforceable":true,"months":["FEB","MAY","AUG","NOV"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":"8.36","unit":"kg/d","report_only":false,"enforceable":true,"months":["FEB","MAY","AUG","NOV"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"daily maximum","qualifier":"<=","value":"421","unit":"ug/L","report_only":false,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"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":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Phenolics, total recoverable","parameter_code":"32730","statistic":"monthly average","qualifier":"<=","value":"2.4","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Phenolics, total recoverable","parameter_code":"32730","statistic":"daily maximum","qualifier":"<=","value":"6.77","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Phenol","parameter_code":"34694","statistic":"daily maximum","qualifier":"<=","value":"2214","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","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":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","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":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly total","qualifier":null,"value":null,"unit":"Mgal/mo","report_only":true,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorooctanoic acid (PFOA)","parameter_code":"51521","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorobutanoic acid (PFBA)","parameter_code":"51522","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorooctanesulfonamide (PFOSA)","parameter_code":"51525","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorooctanesulfonate","parameter_code":"51526","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluoropentanoic acid (PFPeA)","parameter_code":"51623","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorohexanoic acid (PFHxA)","parameter_code":"51624","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluoroheptanoic acid (PFHpA)","parameter_code":"51625","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorononanoic acid (PFNA)","parameter_code":"51626","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorodecanoic acid (PFDA)","parameter_code":"51627","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluoroundecanoic acid (PFUnA)","parameter_code":"51628","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorododecanoic acid (PFDoA)","parameter_code":"51629","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorobutane Sulfonate","parameter_code":"51632","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Perfluorohexane Sulfonate","parameter_code":"51633","statistic":"quarterly maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":["MAR","JUN","SEP","DEC"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"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":["APR","SEP"],"limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Mercury, dissolved [as Hg]","parameter_code":"71890","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ng/L","report_only":true,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"monthly average","qualifier":"<=","value":"10","unit":"ng/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"daily maximum","qualifier":"<=","value":"18","unit":"ng/L","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Chemical Oxygen Demand [COD]","parameter_code":"81017","statistic":"monthly average","qualifier":"<=","value":"1495","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"},{"outfall":"001","parameter":"Chemical Oxygen Demand [COD]","parameter_code":"81017","statistic":"daily maximum","qualifier":"<=","value":"2887","unit":"kg/d","report_only":false,"enforceable":true,"months":"all","limit_set":"SD001 TOTAL FACILITY DISCHARGE"}],"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":"MN","sic":"29"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MN&sic=29","url":"https://passage-data.com/api/v1/permits?state=MN&sic=29","page":"https://passage-data.com/dmr/s/MN/29"},{"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":"MN0000256"},"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=MN0000256"},{"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":"MN0000256"},"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=MN0000256"}]}