{"permit":"CT0003981","name":"SPECIALTY MINERALS, INC.","state":"CT","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/CT0003981"},"about":[{"label":"What it is","text":"Crushed And Broken Limestone (EPA's industry listing)"},{"label":"Where","text":"Canaan, Connecticut","href":"https://www.openstreetmap.org/?mlat=42.026463&mlon=-73.31996#map=14/42.026463/-73.31996"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired May 31, 2017; 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":"2016-12-02","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/CT0003981#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":"CT","sic":"14","permits":5,"list":"https://passage-data.com/api/v1/permits?state=CT&sic=14","page":"https://passage-data.com/dmr/s/CT/14"},"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":"101","parameter":"Flow rate","parameter_code":"00056","statistic":"monthly average","qualifier":null,"value":null,"unit":"gal/d","report_only":true,"enforceable":true,"months":["JUN","DEC"],"limit_set":"QUARRY DEWATERING (GROUNDWATER, STORMWATER) FROM LOWER ROAD QUARRY"},{"outfall":"101","parameter":"Oxygen demand, chem. 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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=CT0003981"},{"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":"CT0003981"},"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=CT0003981"}]}