{"permit":"AZ0024821","name":"Tucson Electric Power Company","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/AZ0024821"},"about":[{"label":"What it is","text":"Electric Services (EPA's industry listing)"},{"label":"Where","text":"Marana, Arizona","href":"https://www.openstreetmap.org/?mlat=32.39997&mlon=-111.12613#map=14/32.39997/-111.12613"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Apr 21, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"AZ","sic":"4911","permits":7,"list":"https://passage-data.com/api/v1/permits?state=AZ&sic=4911","page":"https://passage-data.com/dmr/s/AZ/4911"},"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":"daily maximum","qualifier":null,"value":null,"unit":"deg C","report_only":true,"enforceable":true,"months":"all","limit_set":"TUCSON ELECTRIC POWER - NORTH LOOP - Outfall 001"},{"outfall":"001","parameter":"BOD, 5-day, 20 deg. 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NORTH LOOP - Outfall 001"},{"outfall":"001","parameter":"Selenium, total recoverable","parameter_code":"00981","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TUCSON ELECTRIC POWER - NORTH LOOP - Outfall 001"},{"outfall":"001","parameter":"Beryllium, total recoverable [as Be]","parameter_code":"00998","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TUCSON ELECTRIC POWER - NORTH LOOP - Outfall 001"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TUCSON ELECTRIC POWER - NORTH LOOP - Outfall 001"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"TUCSON ELECTRIC POWER - 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NORTH LOOP - Outfall 001"}],"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":"AZ","sic":"4911"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=AZ&sic=4911","url":"https://passage-data.com/api/v1/permits?state=AZ&sic=4911","page":"https://passage-data.com/dmr/s/AZ/4911"},{"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":"AZ0024821"},"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=AZ0024821"},{"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":"AZ0024821"},"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=AZ0024821"}]}