City Of Phoenix — NPDES permit AZ0020559: limits, due date and EPA's record

NPDES permit AZ0020559 · Major POTW · effective, expires 2029-06-30 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Last period with anything received: 2026-07-31. Most often over: TU Static Renewal 7-Day Chronic Ceriodaphnia dubia (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AZ permits in EPA's filings — check your permit).

Limits in force (98)

Outfall	Parameter	Statistic	Limit	Months
002	Temperature, water deg. centigrade	MO AVG	report only	all year
002	Temperature, water deg. centigrade	DAILY MX	report only	all year
002	pH	MINIMUM	>= 6.5 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
002	Solids, total suspended	MO AVG	<= 7100 kg/d	all year
002	Solids, total suspended	WKLY AVG	<= 11000 kg/d	all year
002	Oil & Grease	MO AVG	report only	all year
002	Oil & Grease	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 1 Ratio	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 2 Ratio	all year
002	Cyanide, total [as CN]	MO AVG	<= 7.2 ug/L	all year
002	Cyanide, total [as CN]	DAILY MX	<= 18 ug/L	all year
002	Cyanide, total [as CN]	MO AVG	<= 1700 g/d	all year
002	Cyanide, total [as CN]	DAILY MX	<= 4200 g/d	all year
002	Sulfide, total [as S]	MO AVG	report only	all year
002	Sulfide, total [as S]	DAILY MX	report only	all year
002	Hardness, total [as CaCO3]	MO AVG	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Selenium, total recoverable	MO AVG	report only	all year
002	Selenium, total recoverable	DAILY MX	report only	all year
002	Chromium, total [as Cr]	MO AVG	report only	all year
002	Chromium, total [as Cr]	DAILY MX	report only	all year
002	Cadmium, total recoverable	MO AVG	report only	all year
002	Cadmium, total recoverable	DAILY MX	report only	all year
002	Chromium, hexavalent dissolved [as Cr]	MO AVG	report only	all year
002	Chromium, hexavalent dissolved [as Cr]	DAILY MX	report only	all year
002	Dichlorobromomethane	MO AVG	<= 17 ug/L	all year
002	Dichlorobromomethane	DAILY MX	<= 36 ug/L	all year
002	Dichlorobromomethane	MO AVG	<= 4100 g/d	all year
002	Dichlorobromomethane	DAILY MX	<= 8600 g/d	all year
002	Dibromochloromethane	MO AVG	<= 13 ug/L	all year
002	Dibromochloromethane	DAILY MX	<= 30 ug/L	all year
002	Dibromochloromethane	MO AVG	<= 3100 g/d	all year
002	Dibromochloromethane	DAILY MX	<= 7100 g/d	all year
002	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	<= 3 ug/L	all year
002	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= 6 ug/L	all year
002	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	<= 700 g/d	all year
002	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= 1000 g/d	all year
002	Endosulfan, total	MO AVG	<= .05 ug/L	all year
002	Endosulfan, total	DAILY MX	<= .1 ug/L	all year
002	Endosulfan, total	MO AVG	<= 10 g/d	all year
002	Endosulfan, total	DAILY MX	<= 20 g/d	all year
002	Methoxychlor	MO AVG	<= .02 ug/L	all year
002	Methoxychlor	DAILY MX	<= .05 ug/L	all year
002	Methoxychlor	MO AVG	<= 6 g/d	all year
002	Methoxychlor	DAILY MX	<= 10 g/d	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	MO AVG	<= 9 ug/L	all year
002	Chlorine, total residual	DAILY MX	<= 18 ug/L	all year
002	Chlorine, total residual	MO AVG	<= 2100 g/d	all year
002	Chlorine, total residual	DAILY MX	<= 4300 g/d	all year
002	E. coli, colony forming units [CFU]	MO AVG	<= 126 CFU/100mL	all year
002	E. coli, colony forming units [CFU]	DAILY MX	<= 575 CFU/100mL	all year
002	Hydrogen sulfide	MO AVG	report only	all year
002	Hydrogen sulfide	DAILY MX	report only	all year
002	Mercury, total recoverable	MO AVG	<= .007 ug/L	all year
002	Mercury, total recoverable	DAILY MX	<= .02 ug/L	all year
002	Mercury, total recoverable	MO AVG	<= 2 g/d	all year
002	Mercury, total recoverable	DAILY MX	<= 4 g/d	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 40 mg/L	all year
002	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 5900 kg/d	all year
002	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 9500 kg/d	all year
002	BOD, carb-5 day, 20 deg C, percent removal	MO AV MN	>= 85 %	all year
002	Solids, suspended percent removal	MO AV MN	>= 85 %	all year
002	Pass/Fail Static Renewal 96Hr Acute Ceriodaphnia dubia	MO AVG	<= 0 pass=0;fail=1	all year
002	Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas	MO MED	report only	all year
002	TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)	MO MED	<= 1 tox chronic	all year
002	TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)	DAILY MX	<= 1.6 tox chronic	all year
002	Static 7Day Chronic Pimephales Promelas	MO AVG	report only	all year
002	Static 7Day Chronic Pimephales Promelas	DAILY MX	report only	all year
002	TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	MO MED	<= 1 tox chronic	all year
002	TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	DAILY MX	<= 1.6 tox chronic	all year
004	pH	MINIMUM	>= 6.5 SU	all year
004	pH	MAXIMUM	<= 9 SU	all year
004	Solids, total suspended	MO AVG	<= 30 mg/L	all year
004	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
004	Solids, total suspended	MO AVG	<= 7200 kg/d	all year
004	Solids, total suspended	WKLY AVG	<= 11000 kg/d	all year
004	Oil & Grease	MO AVG	report only	all year
004	Oil & Grease	DAILY MX	report only	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 25 mg/L	all year
004	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 40 mg/L	all year
004	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 5900 kg/d	all year
004	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 9500 kg/d	all year
004	BOD, carb-5 day, 20 deg C, percent removal	MO AV MN	>= 85 %	all year
004	Solids, suspended percent removal	MO AV MN	>= 85 %	all year
INF	Solids, total suspended	MO AVG	report only	all year
INF	Solids, total suspended	WKLY AVG	report only	all year
INF	BOD, carbonaceous [5 day, 20 C]	MO AVG	report only	all year
INF	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	report only	all year