{"permit":"AZ0023639","name":"Flagstaff Utilities Division","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/AZ0023639"},"about":[{"label":"What it is","text":"Sewage treatment plant · rated a major discharger by EPA"},{"label":"Where","text":"Flagstaff, Arizona","href":"https://www.openstreetmap.org/?mlat=35.18781&mlon=-111.63294#map=14/35.18781/-111.63294"},{"label":"Last 12 months","text":"No values over a limit. 2 required values not reported"},{"label":"Permit","text":"In force until Apr 17, 2030"}],"renewal_due":null,"renewal_check":null,"sector":null,"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":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"monthly average","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF FLAGSTAFF - RIO DE FLAG WATER RECLAMATION"},{"outfall":"001","parameter":"Temperature, water deg. centigrade","parameter_code":"00010","statistic":"daily maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF FLAGSTAFF - RIO DE FLAG WATER RECLAMATION"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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