{"permit":"MT0025020","name":"PALEO SEARCH INC                                                                ","state":"MT","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/MT0025020"},"about":[{"label":"What it is","text":"Gold Ores (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Helena, Montana","href":"https://www.openstreetmap.org/?mlat=46.6601&mlon=-111.74358#map=14/46.6601/-111.74358"},{"label":"Last 12 months","text":"No values over a limit. 13 of 29 reports filed late"},{"label":"Permit","text":"Expired Apr 30, 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":"2022-11-01","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/MT0025020#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":"MT","sic":"10","permits":7,"list":"https://passage-data.com/api/v1/permits?state=MT&sic=10","page":"https://passage-data.com/dmr/s/MT/10"},"limits_from_version":null,"record":{"last_filed":"2026-08-31","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly average","qualifier":null,"value":null,"unit":"gal/min","report_only":true,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"gal/min","report_only":true,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Turbidity","parameter_code":"00070","statistic":"monthly maximum","qualifier":"<=","value":"5","unit":"NTU","report_only":false,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Turbidity","parameter_code":"00070","statistic":"daily maximum","qualifier":null,"value":null,"unit":"NTU","report_only":true,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Turbidity","parameter_code":"00070","statistic":"daily maximum","qualifier":null,"value":null,"unit":"NTU","report_only":true,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE 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":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Oil and grease visual","parameter_code":"84066","statistic":"value","qualifier":null,"value":null,"unit":"N=0;Y=1","report_only":true,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Raw materials processed","parameter_code":"85777","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ton/d","report_only":true,"enforceable":true,"months":"all","limit_set":"8 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"001","parameter":"Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia","parameter_code":"TGM3B","statistic":"value","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"QUARTERLY WHOLE EFFLUENT TOXICITY MONITORING REPORT"},{"outfall":"001","parameter":"Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas","parameter_code":"TGN6C","statistic":"value","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"QUARTERLY WHOLE EFFLUENT TOXICITY MONITORING REPORT"},{"outfall":"002","parameter":"Flow rate","parameter_code":"00056","statistic":"average","qualifier":null,"value":null,"unit":"gal/min","report_only":true,"enforceable":true,"months":"all","limit_set":"16 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"002","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly maximum","qualifier":null,"value":null,"unit":"gal/min","report_only":true,"enforceable":true,"months":"all","limit_set":"16 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"002","parameter":"Turbidity","parameter_code":"00070","statistic":"daily maximum","qualifier":"<=","value":"5","unit":"NTU","report_only":false,"enforceable":true,"months":"all","limit_set":"16 INCH SUCTION DREDGE 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DISCHARGE"},{"outfall":"002","parameter":"Raw materials processed","parameter_code":"85777","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ton/d","report_only":true,"enforceable":true,"months":"all","limit_set":"16 INCH SUCTION DREDGE DISCHARGE"},{"outfall":"002","parameter":"Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia","parameter_code":"TGM3B","statistic":"value","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"QUARTERLY WHOLE EFFLUENT TOXICITY MONITORING REPORT"},{"outfall":"002","parameter":"Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas","parameter_code":"TGN6C","statistic":"value","qualifier":null,"value":null,"unit":"pass=0;fail=1","report_only":true,"enforceable":true,"months":"all","limit_set":"QUARTERLY WHOLE EFFLUENT TOXICITY MONITORING REPORT"},{"outfall":"SUM","parameter":"Raw materials processed","parameter_code":"85777","statistic":"annual maximum","qualifier":"<=","value":"70000","unit":"ton/yr","report_only":false,"enforceable":true,"months":"all","limit_set":"ANNUAL REPORT COMBINED SUCTION DREDGE TONNAGE PROCESSED MATERIAL"}],"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":"MT","sic":"10"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=MT&sic=10","url":"https://passage-data.com/api/v1/permits?state=MT&sic=10","page":"https://passage-data.com/dmr/s/MT/10"},{"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":"MT0025020"},"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=MT0025020"},{"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":"MT0025020"},"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=MT0025020"}]}