Yuba City, City of — NPDES permit CA0079260: limits, due date and EPA's record

NPDES permit CA0079260 · Major POTW · expired, expires 2024-03-31 · EPA's file as of 2026-09-19

This permit expired on 2024-03-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Last period with anything received: 2026-08-06. Most often over: Nitrogen, ammonia total [as N] (4).

Reporting

Reports are due about 26 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (327)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	INST MAX	report only	all year
001	Specific conductance	DAILY MX	report only	all year
001	Oxygen, dissolved [DO]	INST MIN	report only	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	WKLY AVG	<= 45 mg/L	all year
001	pH	MINIMUM	>= 6.5 SU	all year
001	pH	MAXIMUM	<= 8.5 SU	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
001	Solids, settleable	MO AVG	<= .1 mL/L	all year
001	Solids, settleable	DAILY MX	<= .2 mL/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 31 mg/L	all year
001	Nitrogen, ammonia total [as N]	WKLY AVG	<= 51 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	<= 2700 lb/d	all year
001	Nitrogen, ammonia total [as N]	WKLY AVG	<= 4500 lb/d	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	Nitrite + Nitrate total [as N]	MO AVG	<= 10 mg/L	all year
001	Nitrite + Nitrate total [as N]	WKLY AVG	<= 21 mg/L	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Hardness, total [as CaCO3]	DAILY MX	report only	all year
001	Copper, total recoverable	MO AVG	<= 50 ug/L	all year
001	Copper, total recoverable	DAILY MX	<= 85 ug/L	all year
001	Dichlorobromomethane	MO AVG	<= 10 ug/L	all year
001	Dichlorobromomethane	DAILY MX	<= 30 ug/L	all year
001	Chlorpyrifos	DAILY MX	report only	all year
001	Chlorpyrifos	DAILY MX	report only	all year
001	Diazinon	DAILY MX	report only	all year
001	Diazinon	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	4A	<= .011 mg/L	all year
001	Chlorine, total residual	1I	<= .019 mg/L	all year
001	Sodium Bisulfite	DAILY MX	report only	all year
001	Diazinon + Chlorpyrifos	MO AVG	<= 1 ug/L	all year
001	Diazinon + Chlorpyrifos	MO AVG	<= 1 ug/L	all year
001	Diazinon + Chlorpyrifos	WKLY AVG	<= 1 ug/L	all year
001	Diazinon + Chlorpyrifos	WKLY AVG	<= 1 ug/L	all year
001	Solids, total dissolved	DAILY MX	report only	all year
001	Mercury, total recoverable	DAILY MX	report only	all year
001	Mercury, total recoverable	ANNL TOT	<= .67 lb/yr	all year
001	Mercury, total recoverable	ANNL TOT	<= .67 lb/yr	all year
001	Coliform, total general	7C	<= 23 MPN/100mL	all year
001	Coliform, total general	3E	<= 240 MPN/100mL	all year
001	Stream flow, estimated	DAILY AV	report only	all year
001	BOD, 5-day, percent removal	MO AV MN	>= 85 %	all year
001	Solids, suspended percent removal	MO AV MN	>= 85 %	all year
001	%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	BA	report only	all year
001	%Surv Static 96Hr Acute Pimphales Promelas	MINIMUM	>= 70 % survival	all year
001	%Surv Static 96Hr Acute Pimphales Promelas	BA	>= 90 % survival	all year
001	% Survival Flow Through 96Hr Acute Pimephales promelas	MINIMUM	>= 70 % survival	all year
001	% Survival Flow Through 96Hr Acute Pimephales promelas	BA	>= 90 % survival	all year
001	TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	AVERAGE	report only	all year
001	TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	DAILY MX	report only	all year
002	Temperature, water deg. centigrade	INST MAX	report only	all year
002	Temperature, water deg. fahrenheit	INST MAX	report only	all year
002	Specific conductance	DAILY MX	report only	all year
002	Oxygen, dissolved [DO]	INST MIN	report only	all year
002	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
002	BOD, 5-day, 20 deg. C	WKLY AVG	<= 45 mg/L	all year
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MINIMUM	report only	all year
002	pH	MAXIMUM	<= 8.5 SU	all year
002	pH	MAXIMUM	report only	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	Nitrogen, ammonia total [as N]	MO AVG	<= 31 mg/L	all year
002	Nitrogen, ammonia total [as N]	WKLY AVG	<= 51 mg/L	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 2700 lb/d	all year
002	Nitrogen, ammonia total [as N]	WKLY AVG	<= 4500 lb/d	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	Nitrite + Nitrate total [as N]	MO AVG	<= 10 mg/L	all year
002	Nitrite + Nitrate total [as N]	WKLY AVG	<= 21 mg/L	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	Sulfite [as SO3]	DAILY MX	report only	all year
002	Sulfide, total [as S]	DAILY MX	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Hardness, total [as CaCO3]	DAILY MX	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Sulfate, total [as SO4]	DAILY MX	report only	all year
002	Asbestos	DAILY MX	report only	all year
002	Fluoride, total [as F]	DAILY MX	report only	all year
002	Arsenic, total recoverable	DAILY MX	report only	all year
002	Iron, total recoverable	DAILY MX	report only	all year
002	Selenium, total recoverable	DAILY MX	report only	all year
002	Thallium, total recoverable	DAILY MX	report only	all year
002	Beryllium, total recoverable [as Be]	DAILY MX	report only	all year
002	Barium, total recoverable	DAILY MX	report only	all year
002	Chromium, hexavalent [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	Aluminum, 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	MO AVG	<= 50 ug/L	all year
002	Copper, total recoverable	DAILY MX	<= 85 ug/L	all year
002	Molybdenum, total recoverable	DAILY MX	report only	all year
002	Antimony, total recoverable	DAILY MX	report only	all year
002	2-Methyl-4,6-dinitrophenol	DAILY MX	report only	all year
002	Tributyltin	DAILY MX	report only	all year
002	Diquat	DAILY MX	report only	all year
002	Manganese, total recoverable	DAILY MX	report only	all year
002	Methyl tert-butyl ether [MTBE]	DAILY MX	report only	all year
002	Dichlorobromomethane	MO AVG	<= 10 ug/L	all year
002	Dichlorobromomethane	DAILY MX	<= 30 ug/L	all year
002	Carbon tetrachloride	DAILY MX	report only	all year
002	1,2-Dichloroethane	DAILY MX	report only	all year
002	Bromoform	DAILY MX	report only	all year
002	Dibromochloromethane	DAILY MX	report only	all year
002	Chloroform	DAILY MX	report only	all year
002	Toluene	DAILY MX	report only	all year
002	Benzene	DAILY MX	report only	all year
002	.delta.-BHC	DAILY MX	report only	all year
002	Acenaphthylene	DAILY MX	report only	all year
002	Acenaphthene	DAILY MX	report only	all year
002	Acrolein	DAILY MX	report only	all year
002	Acrylonitrile	DAILY MX	report only	all year
002	Anthracene	DAILY MX	report only	all year
002	Benzo[b]fluoranthene	DAILY MX	report only	all year
002	Benzo[k]fluoranthene	DAILY MX	report only	all year
002	Benzo[a]pyrene	DAILY MX	report only	all year
002	Bis[2-chloroethyl] ether	DAILY MX	report only	all year
002	Bis[2-chloroethoxy]methane	DAILY MX	report only	all year
002	Bis[2-chloroisopropyl] ether	DAILY MX	report only	all year
002	Butyl benzyl phthalate	DAILY MX	report only	all year
002	Chlorobenzene	DAILY MX	report only	all year
002	Chrysene	DAILY MX	report only	all year
002	Diethyl phthalate	DAILY MX	report only	all year
002	Dimethyl phthalate	DAILY MX	report only	all year
002	1,2-Diphenylhydrazine	DAILY MX	report only	all year
002	Endosulfan sulfate	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	Endrin aldehyde	DAILY MX	report only	all year
002	Ethylbenzene	DAILY MX	report only	all year
002	Fluoranthene	DAILY MX	report only	all year
002	Fluorene	DAILY MX	report only	all year
002	Hexachlorocyclopentadiene	DAILY MX	report only	all year
002	Hexachlorobutadiene	DAILY MX	report only	all year
002	Hexachloroethane	DAILY MX	report only	all year
002	Indeno[1,2,3-cd]pyrene	DAILY MX	report only	all year
002	Isophorone	DAILY MX	report only	all year
002	Methyl bromide [Bromomethane]	DAILY MX	report only	all year
002	Methyl chloride [Chloromethane]	DAILY MX	report only	all year
002	Methylene chloride	DAILY MX	report only	all year
002	N-Nitrosodi-N-propylamine	DAILY MX	report only	all year
002	N-Nitrosodiphenylamine	DAILY MX	report only	all year
002	N-Nitrosodimethylamine [NDMA]	DAILY MX	report only	all year
002	Nitrobenzene	DAILY MX	report only	all year
002	Phenanthrene	DAILY MX	report only	all year
002	Pyrene	DAILY MX	report only	all year
002	Tetrachloroethylene	DAILY MX	report only	all year
002	Trichlorofluoromethane	DAILY MX	report only	all year
002	1,1-Dichloroethane	DAILY MX	report only	all year
002	1,1-Dichloroethylene	DAILY MX	report only	all year
002	1,1,1-Trichloroethane	DAILY MX	report only	all year
002	1,1,2-Trichloroethane	DAILY MX	report only	all year
002	1,1,2,2-Tetrachloroethane	DAILY MX	report only	all year
002	Benzo[ghi]perylene	DAILY MX	report only	all year
002	Benzo[a]anthracene	DAILY MX	report only	all year
002	1,2-Dichlorobenzene	DAILY MX	report only	all year
002	1,2-Dichloropropane	DAILY MX	report only	all year
002	trans-1,2-Dichloroethylene	DAILY MX	report only	all year
002	1,2,4-Trichlorobenzene	DAILY MX	report only	all year
002	Dibenz[a,h]anthracene	DAILY MX	report only	all year
002	1,3-Dichlorobenzene	DAILY MX	report only	all year
002	1,4-Dichlorobenzene	DAILY MX	report only	all year
002	2-Chloroethyl vinyl ether, [mixed]	DAILY MX	report only	all year
002	2-Chloronaphthalene	DAILY MX	report only	all year
002	2-Chlorophenol	DAILY MX	report only	all year
002	2-Nitrophenol	DAILY MX	report only	all year
002	Di-n-octyl phthalate	DAILY MX	report only	all year
002	2,4-Dichlorophenol	DAILY MX	report only	all year
002	2,4-Dimethylphenol	DAILY MX	report only	all year
002	2,4-Dinitrotoluene	DAILY MX	report only	all year
002	2,4-Dinitrophenol	DAILY MX	report only	all year
002	2,4,6-Trichlorophenol	DAILY MX	report only	all year
002	2,6-Dinitrotoluene	DAILY MX	report only	all year
002	3,3'-Dichlorobenzidine	DAILY MX	report only	all year
002	4-Bromophenyl phenyl ether	DAILY MX	report only	all year
002	4-Chlorophenyl phenyl ether	DAILY MX	report only	all year
002	4-Nitrophenol	DAILY MX	report only	all year
002	PCB-1016	DAILY MX	report only	all year
002	2,3,7,8-Tetrachlorodibenzo-p-dioxin	DAILY MX	report only	all year
002	Phenol	DAILY MX	report only	all year
002	Naphthalene	DAILY MX	report only	all year
002	Bolero	DAILY MX	report only	all year
002	Surfactants [MBAS]	DAILY MX	report only	all year
002	Dalapon	DAILY MX	report only	all year
002	Bentazon, total	DAILY MX	report only	all year
002	Dinoseb	DAILY MX	report only	all year
002	Oxamyl	DAILY MX	report only	all year
002	Chlorpyrifos	DAILY MX	report only	all year
002	Chlorpyrifos	DAILY MX	report only	all year
002	Pentachlorophenol	DAILY MX	report only	all year
002	Atrazine	DAILY MX	report only	all year
002	Simazine	DAILY MX	report only	all year
002	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	report only	all year
002	Di-n-butyl phthalate	DAILY MX	report only	all year
002	Benzidine	DAILY MX	report only	all year
002	Alachlor	DAILY MX	report only	all year
002	Vinyl chloride	DAILY MX	report only	all year
002	Trichloroethylene	DAILY MX	report only	all year
002	4,4'-DDT	DAILY MX	report only	all year
002	4,4'-DDD	DAILY MX	report only	all year
002	4,4'-DDE	DAILY MX	report only	all year
002	Aldrin	DAILY MX	report only	all year
002	.alpha.-BHC	DAILY MX	report only	all year
002	.beta.-BHC	DAILY MX	report only	all year
002	.gamma.-BHC	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	PCB-1221	DAILY MX	report only	all year
002	PCB-1232	DAILY MX	report only	all year
002	PCB-1242	DAILY MX	report only	all year
002	PCB-1248	DAILY MX	report only	all year
002	PCB-1254	DAILY MX	report only	all year
002	PCB-1260	DAILY MX	report only	all year
002	Diazinon	DAILY MX	report only	all year
002	Diazinon	DAILY MX	report only	all year
002	Hexachlorobenzene	DAILY MX	report only	all year
002	Picloram	DAILY MX	report only	all year
002	1,2-Dibromo-3-chloropropane	DAILY MX	report only	all year
002	Molinate	DAILY MX	report only	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	2,4-D SALTS AND ESTERS	DAILY MX	report only	all year
002	Di[2-ethylhexyl] adipate	DAILY MX	report only	all year
002	Endothall	DAILY MX	report only	all year
002	Diazinon + Chlorpyrifos	MO AVG	<= 1 ug/L	all year
002	Diazinon + Chlorpyrifos	MO AVG	<= 1 ug/L	all year
002	Diazinon + Chlorpyrifos	WKLY AVG	<= 1 ug/L	all year
002	Diazinon + Chlorpyrifos	WKLY AVG	<= 1 ug/L	all year
002	4-Chloro-3-methylphenol	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	Mercury, total recoverable	ANNL TOT	<= .67 lb/yr	all year
002	Mercury, total recoverable	ANNL TOT	<= .67 lb/yr	all year
002	Xylenes [total], dry weight	DAILY MX	report only	all year
002	Coliform, total general	7C	<= 23 MPN/100mL	all year
002	Coliform, total general	3E	<= 240 MPN/100mL	all year
002	1,3-Dichloropropene	DAILY MX	report only	all year
002	Ethylene dibromide	DAILY MX	report only	all year
002	1,1,2-Trichloro-1,2,2-trifluoroethane	DAILY MX	report only	all year
002	2,4,5-TP	DAILY MX	report only	all year
002	Methylmercury	DAILY MX	report only	all year
002	BOD, 5-day, percent removal	MO AV MN	>= 85 %	all year
002	Solids, suspended percent removal	MO AV MN	>= 85 %	all year
002	Carbofuran	DAILY MX	report only	all year
002	Styrene	DAILY MX	report only	all year
002	Boron, total	DAILY MX	report only	all year
002	Chloroethane	DAILY MX	report only	all year
003	Temperature, water deg. fahrenheit	INST MAX	report only	all year
003	Specific conductance	DAILY MX	report only	all year
003	Oxygen, dissolved [DO]	INST MIN	report only	all year
003	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
003	BOD, 5-day, 20 deg. C	WKLY AVG	<= 45 mg/L	all year
003	pH	MINIMUM	>= 6.5 SU	all year
003	pH	MAXIMUM	<= 8.5 SU	all year
003	Solids, total suspended	MO AVG	<= 30 mg/L	all year
003	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
003	Solids, settleable	MO AVG	<= .1 mL/L	all year
003	Solids, settleable	DAILY MX	<= .2 mL/L	all year
003	Nitrogen, ammonia total [as N]	MO AVG	<= 31 mg/L	all year
003	Nitrogen, ammonia total [as N]	WKLY AVG	<= 51 mg/L	all year
003	Nitrogen, ammonia total [as N]	MO AVG	<= 2700 lb/d	all year
003	Nitrogen, ammonia total [as N]	WKLY AVG	<= 4500 lb/d	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	Nitrite + Nitrate total [as N]	MO AVG	<= 10 mg/L	all year
003	Nitrite + Nitrate total [as N]	WKLY AVG	<= 21 mg/L	all year
003	Phosphorus, total [as P]	DAILY MX	report only	all year
003	Hardness, total [as CaCO3]	DAILY MX	report only	all year
003	Copper, total recoverable	MO AVG	<= 50 ug/L	all year
003	Copper, total recoverable	DAILY MX	<= 85 ug/L	all year
003	Dichlorobromomethane	MO AVG	<= 10 ug/L	all year
003	Dichlorobromomethane	DAILY MX	<= 30 ug/L	all year
003	Chlorpyrifos	DAILY MX	report only	all year
003	Chlorpyrifos	DAILY MX	report only	all year
003	Diazinon	DAILY MX	report only	all year
003	Diazinon	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Chlorine, total residual	4A	<= .011 mg/L	all year
003	Chlorine, total residual	1I	<= .019 mg/L	all year
003	Sodium Bisulfite	DAILY MX	report only	all year
003	Diazinon + Chlorpyrifos	MO AVG	<= 1 ug/L	all year
003	Diazinon + Chlorpyrifos	MO AVG	<= 1 ug/L	all year
003	Diazinon + Chlorpyrifos	WKLY AVG	<= 1 ug/L	all year
003	Diazinon + Chlorpyrifos	WKLY AVG	<= 1 ug/L	all year
003	Solids, total dissolved	DAILY MX	report only	all year
003	Mercury, total recoverable	DAILY MX	report only	all year
003	Mercury, total recoverable	ANNL TOT	<= .67 lb/yr	all year
003	Mercury, total recoverable	ANNL TOT	<= .67 lb/yr	all year
003	Coliform, total general	7C	<= 23 MPN/100mL	all year
003	Coliform, total general	3E	<= 240 MPN/100mL	all year
003	Stream flow, estimated	DAILY AV	report only	all year
003	BOD, 5-day, percent removal	MO AV MN	>= 85 %	all year
003	Solids, suspended percent removal	MO AV MN	>= 85 %	all year
003	%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	BA	report only	all year
003	%Surv Static 96Hr Acute Pimphales Promelas	MINIMUM	>= 70 % survival	all year
003	%Surv Static 96Hr Acute Pimphales Promelas	BA	>= 90 % survival	all year
003	% Survival Flow Through 96Hr Acute Pimephales promelas	MINIMUM	>= 70 % survival	all year
003	% Survival Flow Through 96Hr Acute Pimephales promelas	BA	>= 90 % survival	all year
003	TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	AVERAGE	report only	all year
003	TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	DAILY MX	report only	all year
INF	Specific conductance	DAILY MX	report only	all year
INF	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
INF	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
INF	pH	MINIMUM	report only	all year
INF	pH	MAXIMUM	report only	all year
INF	Solids, total suspended	MO AVG	report only	all year
INF	Solids, total suspended	DAILY MX	report only	all year
INF	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
INF	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
INF	Phosphorus, total [as P]	DAILY MX	report only	all year
INF	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
INF	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year