{"permit":"AZ0023442","name":"City Of Phoenix Water Services Department","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/AZ0023442"},"about":[{"label":"What it is","text":"Water Supply (EPA's industry listing) · rated a major discharger by EPA"},{"label":"Where","text":"Mesa, Arizona","href":"https://www.openstreetmap.org/?mlat=33.46861&mlon=-111.76369#map=14/33.46861/-111.76369"},{"label":"Last 12 months","text":"No values over a limit"},{"label":"Permit","text":"In force until Mar 31, 2029"}],"renewal_due":null,"renewal_check":null,"sector":{"state":"AZ","sic":"4941","permits":9,"list":"https://passage-data.com/api/v1/permits?state=AZ&sic=4941","page":"https://passage-data.com/dmr/s/AZ/4941"},"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":"pH","parameter_code":"00400","statistic":"minimum","qualifier":">=","value":"6.5","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"pH","parameter_code":"00400","statistic":"maximum","qualifier":"<=","value":"9","unit":"SU","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Arsenic, total recoverable","parameter_code":"00978","statistic":"monthly average","qualifier":"<=","value":"30","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Arsenic, total recoverable","parameter_code":"00978","statistic":"daily maximum","qualifier":"<=","value":"60","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Arsenic, total recoverable","parameter_code":"00978","statistic":"monthly average","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Arsenic, total recoverable","parameter_code":"00978","statistic":"daily maximum","qualifier":"<=","value":"20","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Selenium, total recoverable","parameter_code":"00981","statistic":"monthly average","qualifier":"<=","value":"20","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Selenium, total recoverable","parameter_code":"00981","statistic":"daily maximum","qualifier":"<=","value":"40","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Thallium, total recoverable","parameter_code":"00982","statistic":"monthly average","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Thallium, total recoverable","parameter_code":"00982","statistic":"daily maximum","qualifier":null,"value":null,"unit":"ug/L","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Beryllium, total recoverable [as Be]","parameter_code":"00998","statistic":"monthly average","qualifier":"<=","value":"4","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Beryllium, total recoverable [as Be]","parameter_code":"00998","statistic":"daily maximum","qualifier":"<=","value":"8","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"monthly average","qualifier":"<=","value":"1000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":"2000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"monthly average","qualifier":"<=","value":"100","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Chromium, total [as Cr]","parameter_code":"01034","statistic":"daily maximum","qualifier":"<=","value":"200","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"monthly average","qualifier":"<=","value":"140","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Nickel, total recoverable","parameter_code":"01074","statistic":"daily maximum","qualifier":"<=","value":"280","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"monthly average","qualifier":"<=","value":"70","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"daily maximum","qualifier":"<=","value":"100","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"monthly average","qualifier":"<=","value":"5","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Cadmium, total recoverable","parameter_code":"01113","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"monthly average","qualifier":"<=","value":"210","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"daily maximum","qualifier":"<=","value":"420","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"monthly average","qualifier":"<=","value":"15","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Lead, total recoverable","parameter_code":"01114","statistic":"daily maximum","qualifier":"<=","value":"30","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"monthly average","qualifier":"<=","value":"6000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"daily maximum","qualifier":"<=","value":"10000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"monthly average","qualifier":"<=","value":"500","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Copper, total recoverable","parameter_code":"01119","statistic":"daily maximum","qualifier":"<=","value":"1000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Antimony, total recoverable","parameter_code":"01268","statistic":"monthly average","qualifier":"<=","value":"80","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Antimony, total recoverable","parameter_code":"01268","statistic":"daily maximum","qualifier":"<=","value":"200","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Antimony, total recoverable","parameter_code":"01268","statistic":"monthly average","qualifier":"<=","value":"6","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Antimony, total recoverable","parameter_code":"01268","statistic":"daily maximum","qualifier":"<=","value":"10","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Manganese, total recoverable","parameter_code":"11123","statistic":"monthly average","qualifier":"<=","value":"14000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Manganese, total recoverable","parameter_code":"11123","statistic":"daily maximum","qualifier":"<=","value":"28000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Manganese, total recoverable","parameter_code":"11123","statistic":"monthly average","qualifier":"<=","value":"980","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Manganese, total recoverable","parameter_code":"11123","statistic":"daily maximum","qualifier":"<=","value":"2000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"monthly average","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Flow, in conduit or thru treatment plant","parameter_code":"50050","statistic":"daily maximum","qualifier":null,"value":null,"unit":"MGD","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"monthly average","qualifier":"<=","value":"4000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Chlorine, total residual","parameter_code":"50060","statistic":"daily maximum","qualifier":"<=","value":"8000","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Solids, suspended percent removal","parameter_code":"81011","statistic":"monthly average minimum","qualifier":">=","value":"85","unit":"%","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Trihalomethane, tot.","parameter_code":"82080","statistic":"monthly average","qualifier":"<=","value":"80","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"001","parameter":"Trihalomethane, tot.","parameter_code":"82080","statistic":"daily maximum","qualifier":"<=","value":"200","unit":"ug/L","report_only":false,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"},{"outfall":"INF","parameter":"Solids, total suspended","parameter_code":"00530","statistic":"monthly average","qualifier":null,"value":null,"unit":"mg/L","report_only":true,"enforceable":true,"months":"all","limit_set":"CITY OF PHOENIX - VAL VISTA WATER TREATMENT PLANT"}],"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":"4941"},"needs":{},"get":"https://passage-data.com/api/v1/permits?state=AZ&sic=4941","url":"https://passage-data.com/api/v1/permits?state=AZ&sic=4941","page":"https://passage-data.com/dmr/s/AZ/4941"},{"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":"AZ0023442"},"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=AZ0023442"},{"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":"AZ0023442"},"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=AZ0023442"}]}