{"permit":"AZ0020389","name":"Resolution Copper Mining Llc","state":"AZ","as_of":"2026-10-22","source":{"publisher":"U.S. EPA — ECHO / ICIS-NPDES national file","as_of":"2026-10-22","page":"/dmr/p/AZ0020389"},"about":[{"label":"What it is","text":"Copper Ores (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Superior, Arizona","href":"https://www.openstreetmap.org/?mlat=33.29905&mlon=-111.09729#map=14/33.29905/-111.09729"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"Expired Jan 22, 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":"2021-07-26","price":"free while piloted","order_page":"https://passage-data.com/dmr/p/AZ0020389#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":"AZ","sic":"10","permits":8,"list":"https://passage-data.com/api/v1/permits?state=AZ&sic=10","page":"https://passage-data.com/dmr/s/AZ/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":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"RESOLUTION COPPER MINING - SUPERIOR OPERATIONS - O"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"RESOLUTION COPPER MINING - SUPERIOR OPERATIONS - O"},{"outfall":"001","parameter":"Cyanide, total [as CN]","parameter_code":"00720","statistic":"monthly average","qualifier":"<=","value":"7.9","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"RESOLUTION COPPER MINING - 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