{"permit":"CO0049023","name":"CRG Mining LLC","state":"CO","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/CO0049023"},"about":[{"label":"What it is","text":"Gold Ores (EPA's industry listing)"},{"label":"Where","text":"Gunnison County, Colorado","href":"https://www.openstreetmap.org/?mlat=38.63086&mlon=-106.56968#map=14/38.63086/-106.56968"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Dec 31, 2022; 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":"2022-07-04","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/CO0049023#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":"CO","sic":"10","permits":30,"list":"https://passage-data.com/api/v1/permits?state=CO&sic=10","page":"https://passage-data.com/dmr/s/CO/10"},"limits_from_version":null,"record":{"last_filed":"2026-09-30","over":0,"over_by":[],"window":["2025-10-01","2026-09-30"]},"over_limits":[],"limits":[{"outfall":"001","parameter":"Turbidity","parameter_code":"00070","statistic":"quarterly maximum","qualifier":"<=","value":"50","unit":"NTU","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6","unit":"SU","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"quarterly maximum","qualifier":"<=","value":"100","unit":"mg/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Arsenic, total [as As]","parameter_code":"01002","statistic":"quarterly maximum","qualifier":"<=","value":"150","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Cadmium, total [as Cd]","parameter_code":"01027","statistic":"quarterly maximum","qualifier":"<=","value":"1.3","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Copper, total [as Cu]","parameter_code":"01042","statistic":"quarterly maximum","qualifier":"<=","value":"9","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Iron, total [as Fe]","parameter_code":"01045","statistic":"quarterly maximum","qualifier":"<=","value":"1000","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Lead, total [as Pb]","parameter_code":"01051","statistic":"quarterly maximum","qualifier":"<=","value":"45","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Nickel, total [as Ni]","parameter_code":"01067","statistic":"quarterly maximum","qualifier":"<=","value":"320","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Silver, total [as Ag]","parameter_code":"01077","statistic":"quarterly maximum","qualifier":"<=","value":"1.7","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Zinc, total [as Zn]","parameter_code":"01092","statistic":"quarterly maximum","qualifier":"<=","value":"80","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Selenium, total [as Se]","parameter_code":"01147","statistic":"quarterly maximum","qualifier":"<=","value":"5","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"},{"outfall":"001","parameter":"Mercury, total [as Hg]","parameter_code":"71900","statistic":"quarterly maximum","qualifier":"<=","value":"1.4","unit":"ug/L","report_only":false,"enforceable":false,"months":"all","limit_set":"Stormwater Discharge to Halls Gulch to Gold Creek"}],"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":"CO","sic":"10"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=CO&sic=10","url":"https://passage-data.com/api/v1/permits?state=CO&sic=10","page":"https://passage-data.com/dmr/s/CO/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":"CO0049023"},"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=CO0049023"},{"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":"CO0049023"},"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=CO0049023"}]}