SOUTHERN NEVADA WATER AUTHORITY — NPDES permit NV0024259: limits, due date and EPA's record

NPDES permit NV0024259 · Minor NON-POTW · effective, expires 2030-01-31 · EPA's file as of 2026-09-19

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

Reporting

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

Limits in force (337)

Outfall	Parameter	Statistic	Limit	Months
001	Flow rate	MO AVG	report only	all year
001	Flow rate	MO AVG	report only	all year
001	Flow rate	MO AVG	report only	all year
001	Flow rate	MO AVG	report only	all year
001	Flow rate	DAILY MX	report only	all year
001	Flow rate	DAILY MX	report only	all year
001	Flow rate	DAILY MX	report only	all year
001	Flow rate	DAILY MX	report only	all year
001	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
001	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
001	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
001	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
001	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
001	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Sulfide, total [as S]	DAILY MX	report only	all year
001	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
001	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
001	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
001	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
001	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
001	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
001	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
001	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
001	Iron, total recoverable	DAILY MX	report only	all year
001	Beryllium, total recoverable [as Be]	DAILY MX	report only	all year
001	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
001	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
001	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
001	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
001	Nickel, total recoverable	DAILY MX	report only	all year
001	Silver total recoverable	DAILY MX	report only	all year
001	Zinc, total recoverable	DAILY MX	report only	all year
001	Cadmium, total recoverable	DAILY MX	report only	all year
001	Lead, total recoverable	DAILY MX	report only	all year
001	Chromium, total recoverable	DAILY MX	report only	all year
001	Copper, total recoverable	DAILY MX	report only	all year
001	Molybdenum, total recoverable	DAILY MX	report only	all year
001	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
001	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
001	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
001	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
001	Tributyltin	DAILY MX	<= .072 ug/L	all year
001	Manganese, total recoverable	DAILY MX	report only	all year
001	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
001	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
001	Benzene	DAILY MX	<= 5 ug/L	all year
001	Benzene	DAILY MX	<= 5 ug/L	all year
001	Benzene	DAILY MX	<= 5 ug/L	all year
001	Benzene	DAILY MX	<= 5 ug/L	all year
001	Acrolein	DAILY MX	report only	all year
001	.beta.-Endosulfan	DAILY MX	report only	all year
001	.alpha.-Endosulfan	DAILY MX	report only	all year
001	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
001	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
001	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
001	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
001	Chlorpyrifos	DAILY MX	report only	all year
001	Pentachlorophenol	DAILY MX	report only	all year
001	4,4'-DDT	DAILY MX	report only	all year
001	Aldrin	DAILY MX	report only	all year
001	Chlordane [tech mix. and metabolites]	DAILY MX	report only	all year
001	Dieldrin	DAILY MX	report only	all year
001	Endrin	DAILY MX	report only	all year
001	Toxaphene	DAILY MX	report only	all year
001	Heptachlor	DAILY MX	report only	all year
001	Heptachlor epoxide	DAILY MX	report only	all year
001	Methoxychlor	DAILY MX	report only	all year
001	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
001	Malathion	DAILY MX	report only	all year
001	Parathion	DAILY MX	report only	all year
001	Demeton	DAILY MX	report only	all year
001	Diazinon	DAILY MX	report only	all year
001	Mirex	DAILY MX	report only	all year
001	Lindane	DAILY MX	report only	all year
001	Nonylphenol	DAILY MX	report only	all year
001	pH, maximum	DAILY MX	<= 9 SU	all year
001	pH, maximum	DAILY MX	<= 9 SU	all year
001	pH, maximum	DAILY MX	<= 9 SU	all year
001	pH, maximum	DAILY MX	<= 9 SU	all year
001	pH, minimum	DAILY MN	>= 6.5 SU	all year
001	pH, minimum	DAILY MN	>= 6.5 SU	all year
001	pH, minimum	DAILY MN	>= 6.5 SU	all year
001	pH, minimum	DAILY MN	>= 6.5 SU	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Mercury, total recoverable	DAILY MX	report only	all year
001	Coliform, fecal general	DAILY MX	report only	all year
001	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
001	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
001	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
001	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
001	Azinphos-methyl	DAILY MX	report only	all year
002	Flow rate	MO AVG	report only	all year
002	Flow rate	MO AVG	report only	all year
002	Flow rate	MO AVG	report only	all year
002	Flow rate	MO AVG	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Flow rate	DAILY MX	report only	all year
002	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
002	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
002	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
002	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Cyanide, total [as CN]	DAILY MX	report only	all year
002	Sulfide, total [as S]	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
002	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
002	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
002	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
002	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
002	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
002	Iron, total recoverable	DAILY MX	report only	all year
002	Beryllium, total recoverable [as Be]	DAILY MX	report only	all year
002	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
002	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
002	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
002	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
002	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
002	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
002	Nickel, total recoverable	DAILY MX	report only	all year
002	Silver total recoverable	DAILY MX	report only	all year
002	Zinc, total recoverable	DAILY MX	report only	all year
002	Cadmium, total recoverable	DAILY MX	report only	all year
002	Lead, total recoverable	DAILY MX	report only	all year
002	Chromium, total recoverable	DAILY MX	report only	all year
002	Copper, total recoverable	DAILY MX	report only	all year
002	Molybdenum, total recoverable	DAILY MX	report only	all year
002	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
002	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
002	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
002	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
002	Tributyltin	DAILY MX	<= .072 ug/L	all year
002	Manganese, total recoverable	DAILY MX	report only	all year
002	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
002	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
002	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
002	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
002	Benzene	DAILY MX	<= 5 ug/L	all year
002	Benzene	DAILY MX	<= 5 ug/L	all year
002	Benzene	DAILY MX	<= 5 ug/L	all year
002	Benzene	DAILY MX	<= 5 ug/L	all year
002	Acrolein	DAILY MX	report only	all year
002	.beta.-Endosulfan	DAILY MX	report only	all year
002	.alpha.-Endosulfan	DAILY MX	report only	all year
002	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
002	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
002	Chlorpyrifos	DAILY MX	report only	all year
002	Pentachlorophenol	DAILY MX	report only	all year
002	4,4'-DDT	DAILY MX	report only	all year
002	Aldrin	DAILY MX	report only	all year
002	Chlordane [tech mix. and metabolites]	DAILY MX	report only	all year
002	Dieldrin	DAILY MX	report only	all year
002	Endrin	DAILY MX	report only	all year
002	Toxaphene	DAILY MX	report only	all year
002	Heptachlor	DAILY MX	report only	all year
002	Heptachlor epoxide	DAILY MX	report only	all year
002	Methoxychlor	DAILY MX	report only	all year
002	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
002	Malathion	DAILY MX	report only	all year
002	Parathion	DAILY MX	report only	all year
002	Demeton	DAILY MX	report only	all year
002	Diazinon	DAILY MX	report only	all year
002	Mirex	DAILY MX	report only	all year
002	Lindane	DAILY MX	report only	all year
002	Nonylphenol	DAILY MX	report only	all year
002	pH, maximum	DAILY MX	<= 9 SU	all year
002	pH, maximum	DAILY MX	<= 9 SU	all year
002	pH, maximum	DAILY MX	<= 9 SU	all year
002	pH, maximum	DAILY MX	<= 9 SU	all year
002	pH, minimum	DAILY MN	>= 6.5 SU	all year
002	pH, minimum	DAILY MN	>= 6.5 SU	all year
002	pH, minimum	DAILY MN	>= 6.5 SU	all year
002	pH, minimum	DAILY MN	>= 6.5 SU	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	Solids, total dissolved	DAILY MX	report only	all year
002	Mercury, total recoverable	DAILY MX	report only	all year
002	Coliform, fecal general	DAILY MX	report only	all year
002	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
002	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
002	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
002	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
002	Azinphos-methyl	DAILY MX	report only	all year
003	Flow rate	MO AVG	report only	all year
003	Flow rate	MO AVG	report only	all year
003	Flow rate	MO AVG	report only	all year
003	Flow rate	MO AVG	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	Flow rate	DAILY MX	report only	all year
003	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 135 mg/L	all year
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
003	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrite total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
003	Nitrogen, nitrate total [as N]	DAILY MX	report only	all year
003	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
003	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
003	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
003	Nitrogen, inorganic total	DAILY MX	<= 20 mg/L	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Cyanide, total [as CN]	DAILY MX	report only	all year
003	Sulfide, total [as S]	DAILY MX	report only	all year
003	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
003	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
003	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
003	Fluoride, total [as F]	DAILY MX	<= 1000 ug/L	all year
003	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
003	Arsenic, total recoverable	DAILY MX	<= 100 ug/L	all year
003	Iron, total recoverable	DAILY MX	report only	all year
003	Beryllium, total recoverable [as Be]	DAILY MX	report only	all year
003	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
003	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
003	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
003	Boron, total recoverable	DAILY MX	<= 750 ug/L	all year
003	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
003	Chromium, trivalent [as Cr]	DAILY MX	report only	all year
003	Nickel, total recoverable	DAILY MX	report only	all year
003	Silver total recoverable	DAILY MX	report only	all year
003	Zinc, total recoverable	DAILY MX	report only	all year
003	Cadmium, total recoverable	DAILY MX	report only	all year
003	Lead, total recoverable	DAILY MX	report only	all year
003	Chromium, total recoverable	DAILY MX	report only	all year
003	Copper, total recoverable	DAILY MX	report only	all year
003	Molybdenum, total recoverable	DAILY MX	report only	all year
003	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
003	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
003	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
003	Selenium, dissolved [as Se]	DAILY MX	<= 3.9 ug/kg	all year
003	Tributyltin	DAILY MX	<= .072 ug/L	all year
003	Manganese, total recoverable	DAILY MX	report only	all year
003	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
003	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
003	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
003	Methyl tert-butyl ether [MTBE]	DAILY MX	<= 20 ug/L	all year
003	Benzene	DAILY MX	<= 5 ug/L	all year
003	Benzene	DAILY MX	<= 5 ug/L	all year
003	Benzene	DAILY MX	<= 5 ug/L	all year
003	Benzene	DAILY MX	<= 5 ug/L	all year
003	Acrolein	DAILY MX	report only	all year
003	.beta.-Endosulfan	DAILY MX	report only	all year
003	.alpha.-Endosulfan	DAILY MX	report only	all year
003	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
003	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
003	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
003	Tetrachloroethylene	DAILY MX	<= 5 ug/L	all year
003	Chlorpyrifos	DAILY MX	report only	all year
003	Pentachlorophenol	DAILY MX	report only	all year
003	4,4'-DDT	DAILY MX	report only	all year
003	Aldrin	DAILY MX	report only	all year
003	Chlordane [tech mix. and metabolites]	DAILY MX	report only	all year
003	Dieldrin	DAILY MX	report only	all year
003	Endrin	DAILY MX	report only	all year
003	Toxaphene	DAILY MX	report only	all year
003	Heptachlor	DAILY MX	report only	all year
003	Heptachlor epoxide	DAILY MX	report only	all year
003	Methoxychlor	DAILY MX	report only	all year
003	Polychlorinated biphenyls [PCBs]	DAILY MX	report only	all year
003	Malathion	DAILY MX	report only	all year
003	Parathion	DAILY MX	report only	all year
003	Demeton	DAILY MX	report only	all year
003	Diazinon	DAILY MX	report only	all year
003	Mirex	DAILY MX	report only	all year
003	Lindane	DAILY MX	report only	all year
003	Nonylphenol	DAILY MX	report only	all year
003	pH, maximum	DAILY MX	<= 9 SU	all year
003	pH, maximum	DAILY MX	<= 9 SU	all year
003	pH, maximum	DAILY MX	<= 9 SU	all year
003	pH, maximum	DAILY MX	<= 9 SU	all year
003	pH, minimum	DAILY MN	>= 6.5 SU	all year
003	pH, minimum	DAILY MN	>= 6.5 SU	all year
003	pH, minimum	DAILY MN	>= 6.5 SU	all year
003	pH, minimum	DAILY MN	>= 6.5 SU	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Mercury, total recoverable	DAILY MX	report only	all year
003	Coliform, fecal general	DAILY MX	report only	all year
003	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
003	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
003	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
003	Hydrocarbons, total petroleum	DAILY MX	<= 1 mg/L	all year
003	Azinphos-methyl	DAILY MX	report only	all year
SUM	Flow rate	MO AVG	report only	all year
SUM	Flow rate	MO AVG	report only	all year
SUM	Flow rate	MO AVG	report only	all year
SUM	Flow rate	MO AVG	report only	all year
SUM	Flow rate	DAILY MX	<= 2.95 MGD	all year
SUM	Flow rate	DAILY MX	<= 2.95 MGD	all year
SUM	Flow rate	DAILY MX	<= 2.95 MGD	all year
SUM	Flow rate	DAILY MX	<= 2.95 MGD	all year