Stevens Creek Quarry, Inc. — NPDES permit CA0030236: limits, due date and EPA's record

Crushed And Broken Stone, Cupertino, California. NPDES permit CA0030236 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
December 2025	Chromium, hexavalent [as Cr], monthly average	14 ug/L	≤ 5.6 ug/L	150%
June 2026	Solids, settleable, daily maximum	3.5 mL/L	≤ 1 mL/L	250%

Limits in force (440)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	instantaneous maximum	report only (deg C)	all year	001
Turbidity	daily maximum	report only (NTU)	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, settleable	daily maximum	≤ 1 mL/L	all year	001
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	001
Selenium, total recoverable	monthly average	≤ 4.1 ug/L	all year	001
Selenium, total recoverable	monthly average	≤ 4.1 ug/L	all year	001
Selenium, total recoverable	monthly average	≤ 4.1 ug/L	all year	001
Selenium, total recoverable	daily maximum	≤ 8.2 ug/L	all year	001
Selenium, total recoverable	daily maximum	≤ 8.2 ug/L	all year	001
Selenium, total recoverable	daily maximum	≤ 8.2 ug/L	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (ug/L)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (ug/L)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (ug/L)	all year	001
Chromium, trivalent [as Cr]	monthly average	≤ 370 ug/L	all year	001
Chromium, trivalent [as Cr]	monthly average	≤ 370 ug/L	all year	001
Chromium, trivalent [as Cr]	monthly average	≤ 370 ug/L	all year	001
Chromium, trivalent [as Cr]	daily maximum	≤ 740 ug/L	all year	001
Chromium, trivalent [as Cr]	daily maximum	≤ 740 ug/L	all year	001
Chromium, trivalent [as Cr]	daily maximum	≤ 740 ug/L	all year	001
Nickel, total recoverable	monthly average	≤ 96 ug/L	all year	001
Nickel, total recoverable	monthly average	≤ 96 ug/L	all year	001
Nickel, total recoverable	monthly average	≤ 96 ug/L	all year	001
Nickel, total recoverable	daily maximum	≤ 190 ug/L	all year	001
Nickel, total recoverable	daily maximum	≤ 190 ug/L	all year	001
Nickel, total recoverable	daily maximum	≤ 190 ug/L	all year	001
Zinc, total recoverable	monthly average	≤ 130 ug/L	all year	001
Zinc, total recoverable	monthly average	≤ 130 ug/L	all year	001
Zinc, total recoverable	monthly average	≤ 130 ug/L	all year	001
Zinc, total recoverable	daily maximum	≤ 270 ug/L	all year	001
Zinc, total recoverable	daily maximum	≤ 270 ug/L	all year	001
Zinc, total recoverable	daily maximum	≤ 270 ug/L	all year	001
Lead, total recoverable	monthly average	≤ 8.8 ug/L	all year	001
Lead, total recoverable	monthly average	≤ 8.8 ug/L	all year	001
Lead, total recoverable	monthly average	≤ 8.8 ug/L	all year	001
Lead, total recoverable	daily maximum	≤ 18 ug/L	all year	001
Lead, total recoverable	daily maximum	≤ 18 ug/L	all year	001
Lead, total recoverable	daily maximum	≤ 18 ug/L	all year	001
Copper, total recoverable	monthly average	≤ 17 ug/L	all year	001
Copper, total recoverable	monthly average	≤ 17 ug/L	all year	001
Copper, total recoverable	monthly average	≤ 17 ug/L	all year	001
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	001
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	001
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	001
Oil and grease	monthly average	≤ 10 mg/L	all year	001
Oil and grease	daily maximum	≤ 20 mg/L	all year	001
Rainfall	monthly total	report only (in)	all year	001
Flow, total	monthly total	report only (Mgal)	all year	001
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	001
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	001
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	001
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	001
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	001
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	001
Temperature, water deg. centigrade	instantaneous maximum	report only (deg C)	all year	002
Turbidity	daily maximum	report only (NTU)	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	maximum	≤ 8.5 SU	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, settleable	daily maximum	≤ 1 mL/L	all year	002
Nitrogen, ammonia total [as N]	daily maximum	report only (mg/L)	all year	002
Cyanide, total [as CN]	monthly average	≤ 4.3 ug/L	all year	002
Cyanide, total [as CN]	monthly average	≤ 4.3 ug/L	all year	002
Cyanide, total [as CN]	daily maximum	≤ 8.5 ug/L	all year	002
Cyanide, total [as CN]	daily maximum	≤ 8.5 ug/L	all year	002
Asbestos	daily maximum	report only (ct/L)	all year	002
Arsenic, total recoverable	daily maximum	report only (ug/L)	all year	002
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	002
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	002
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	002
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	002
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	002
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	002
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	002
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	002
Thallium, total recoverable	daily maximum	report only (ug/L)	all year	002
Beryllium, total recoverable [as Be]	daily maximum	report only (ug/L)	all year	002
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	002
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	002
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	002
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	002
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	002
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	002
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	002
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	002
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	002
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	002
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	002
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	002
Copper, dissolved [as Cu]	daily maximum	report only (ug/L)	all year	002
Lead, dissolved [as Pb]	daily maximum	report only (ug/L)	all year	002
Nickel, dissolved [as Ni]	daily maximum	report only (ug/L)	all year	002
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	002
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	002
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	002
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	002
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	002
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	002
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	002
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	002
Silver total recoverable	daily maximum	report only (ug/L)	all year	002
Zinc, dissolved [as Zn]	daily maximum	report only (ug/L)	all year	002
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	002
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	002
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	002
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	002
Cadmium, total recoverable	daily maximum	report only (ug/L)	all year	002
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	002
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	002
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	002
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	002
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	002
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	002
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	002
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	002
Chromium, total recoverable	daily maximum	report only (ug/L)	all year	002
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	002
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	002
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	002
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	002
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	002
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	002
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	002
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	002
Selenium, dissolved [as Se]	daily maximum	report only (ug/L)	all year	002
Chromium, hexavalent dissolved [as Cr]	daily maximum	report only (ug/L)	all year	002
Antimony, total recoverable	daily maximum	report only (ug/L)	all year	002
Oil and grease	monthly average	≤ 10 mg/L	all year	002
Oil and grease	daily maximum	≤ 20 mg/L	all year	002
2-Methyl-4,6-dinitrophenol	daily maximum	report only (ug/L)	all year	002
1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
1,2,3,7,8-Pentachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
1,2,3,7,8-Pentachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
2,3,4,7,8-Pentachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
1,2,3,4,7,8-Hexachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
1,2,3,6,7,8-Hexachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
1,2,3,7,8,9-Hexachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
2,3,4,6,7,8-Hexachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
1,2,3,4,6,7,8-Heptachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
1,2,3,4,7,8,9-Heptachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
Dichlorobromomethane	daily maximum	report only (ug/L)	all year	002
Carbon tetrachloride	daily maximum	report only (ug/L)	all year	002
1,2-Dichloroethane	daily maximum	report only (ug/L)	all year	002
Bromoform	daily maximum	report only (ug/L)	all year	002
Dibromochloromethane	daily maximum	report only (ug/L)	all year	002
Chloroform	daily maximum	report only (ug/L)	all year	002
Toluene	daily maximum	report only (ug/L)	all year	002
Benzene	daily maximum	report only (ug/L)	all year	002
.delta.-BHC	daily maximum	report only (ug/L)	all year	002
Acenaphthylene	daily maximum	report only (ug/L)	all year	002
Acenaphthene	daily maximum	report only (ug/L)	all year	002
Acrolein	daily maximum	report only (ug/L)	all year	002
Acrylonitrile	daily maximum	report only (ug/L)	all year	002
Anthracene	daily maximum	report only (ug/L)	all year	002
Benzo[b]fluoranthene	daily maximum	report only (ug/L)	all year	002
Benzo[k]fluoranthene	daily maximum	report only (ug/L)	all year	002
Benzo[a]pyrene	daily maximum	report only (ug/L)	all year	002
Bis[2-chloroethyl] ether	daily maximum	report only (ug/L)	all year	002
Bis[2-chloroethoxy]methane	daily maximum	report only (ug/L)	all year	002
Bis[2-chloroisopropyl] ether	daily maximum	report only (ug/L)	all year	002
Butyl benzyl phthalate	daily maximum	report only (ug/L)	all year	002
Chlorobenzene	daily maximum	report only (ug/L)	all year	002
Chrysene	daily maximum	report only (ug/L)	all year	002
Diethyl phthalate	daily maximum	report only (ug/L)	all year	002
Dimethyl phthalate	daily maximum	report only (ug/L)	all year	002
1,2-Diphenylhydrazine	daily maximum	report only (ug/L)	all year	002
Endosulfan sulfate	daily maximum	report only (ug/L)	all year	002
.beta.-Endosulfan	daily maximum	report only (ug/L)	all year	002
.alpha.-Endosulfan	daily maximum	report only (ug/L)	all year	002
Endrin aldehyde	daily maximum	report only (ug/L)	all year	002
Ethylbenzene	daily maximum	report only (ug/L)	all year	002
Fluoranthene	daily maximum	report only (ug/L)	all year	002
Fluorene	daily maximum	report only (ug/L)	all year	002
Hexachlorocyclopentadiene	daily maximum	report only (ug/L)	all year	002
Hexachlorobutadiene	daily maximum	report only (ug/L)	all year	002
Hexachloroethane	daily maximum	report only (ug/L)	all year	002
Indeno[1,2,3-cd]pyrene	daily maximum	report only (ug/L)	all year	002
Isophorone	daily maximum	report only (ug/L)	all year	002
Methyl bromide [Bromomethane]	daily maximum	report only (ug/L)	all year	002
Methyl chloride [Chloromethane]	daily maximum	report only (ug/L)	all year	002
Methylene chloride	daily maximum	report only (ug/L)	all year	002
N-Nitrosodi-N-propylamine	daily maximum	report only (ug/L)	all year	002
N-Nitrosodiphenylamine	daily maximum	report only (ug/L)	all year	002
N-Nitrosodimethylamine [NDMA]	daily maximum	report only (ug/L)	all year	002
Nitrobenzene	daily maximum	report only (ug/L)	all year	002
Phenanthrene	daily maximum	report only (ug/L)	all year	002
Pyrene	daily maximum	report only (ug/L)	all year	002
Tetrachloroethylene	daily maximum	report only (ug/L)	all year	002
1,1-Dichloroethane	daily maximum	report only (ug/L)	all year	002
1,1-Dichloroethylene	daily maximum	report only (ug/L)	all year	002
1,1,1-Trichloroethane	daily maximum	report only (ug/L)	all year	002
1,1,2-Trichloroethane	daily maximum	report only (ug/L)	all year	002
1,1,2,2-Tetrachloroethane	daily maximum	report only (ug/L)	all year	002
Benzo[ghi]perylene	daily maximum	report only (ug/L)	all year	002
Benzo[a]anthracene	daily maximum	report only (ug/L)	all year	002
1,2-Dichlorobenzene	daily maximum	report only (ug/L)	all year	002
1,2-Dichloropropane	daily maximum	report only (ug/L)	all year	002
trans-1,2-Dichloroethylene	daily maximum	report only (ug/L)	all year	002
1,2,4-Trichlorobenzene	daily maximum	report only (ug/L)	all year	002
Dibenz[a,h]anthracene	daily maximum	report only (ug/L)	all year	002
1,3-Dichlorobenzene	daily maximum	report only (ug/L)	all year	002
1,4-Dichlorobenzene	daily maximum	report only (ug/L)	all year	002
2-Chloroethyl vinyl ether, [mixed]	daily maximum	report only (ug/L)	all year	002
2-Chloronaphthalene	daily maximum	report only (ug/L)	all year	002
2-Chlorophenol	daily maximum	report only (ug/L)	all year	002
2-Nitrophenol	daily maximum	report only (ug/L)	all year	002
Di-n-octyl phthalate	daily maximum	report only (ug/L)	all year	002
2,4-Dichlorophenol	daily maximum	report only (ug/L)	all year	002
2,4-Dimethylphenol	daily maximum	report only (ug/L)	all year	002
2,4-Dinitrotoluene	daily maximum	report only (ug/L)	all year	002
2,4-Dinitrophenol	daily maximum	report only (ug/L)	all year	002
2,4,6-Trichlorophenol	daily maximum	report only (ug/L)	all year	002
2,6-Dinitrotoluene	daily maximum	report only (ug/L)	all year	002
3,3'-Dichlorobenzidine	daily maximum	report only (ug/L)	all year	002
4-Bromophenyl phenyl ether	daily maximum	report only (ug/L)	all year	002
4-Chlorophenyl phenyl ether	daily maximum	report only (ug/L)	all year	002
4-Nitrophenol	daily maximum	report only (ug/L)	all year	002
PCB-1016	daily maximum	report only (ug/L)	all year	002
2,3,7,8-Tetrachlorodibenzo-p-dioxin	daily maximum	report only (ug/L)	all year	002
Phenol	daily maximum	report only (ug/L)	all year	002
Naphthalene	daily maximum	report only (ug/L)	all year	002
2,3,7,8-Tetrachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
Pentachlorophenol	daily maximum	report only (ug/L)	all year	002
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	report only (ug/L)	all year	002
Di-n-butyl phthalate	daily maximum	report only (ug/L)	all year	002
Benzidine	daily maximum	report only (ug/L)	all year	002
Vinyl chloride	daily maximum	report only (ug/L)	all year	002
Trichloroethylene	daily maximum	report only (ug/L)	all year	002
4,4'-DDT	daily maximum	report only (ug/L)	all year	002
4,4'-DDD	daily maximum	report only (ug/L)	all year	002
4,4'-DDE	daily maximum	report only (ug/L)	all year	002
Aldrin	daily maximum	report only (ug/L)	all year	002
.alpha.-BHC	daily maximum	report only (ug/L)	all year	002
.beta.-BHC	daily maximum	report only (ug/L)	all year	002
.gamma.-BHC	daily maximum	report only (ug/L)	all year	002
Chlordane [tech mix. and metabolites]	daily maximum	report only (ug/L)	all year	002
Dieldrin	daily maximum	report only (ug/L)	all year	002
Endrin	daily maximum	report only (ug/L)	all year	002
Toxaphene	daily maximum	report only (ug/L)	all year	002
Heptachlor	daily maximum	report only (ug/L)	all year	002
Heptachlor epoxide	daily maximum	report only (ug/L)	all year	002
PCB-1221	daily maximum	report only (ug/L)	all year	002
PCB-1232	daily maximum	report only (ug/L)	all year	002
PCB-1242	daily maximum	report only (ug/L)	all year	002
PCB-1248	daily maximum	report only (ug/L)	all year	002
PCB-1254	daily maximum	report only (ug/L)	all year	002
PCB-1260	daily maximum	report only (ug/L)	all year	002
Hexachlorobenzene	daily maximum	report only (ug/L)	all year	002
Rainfall	monthly total	report only (in)	all year	002
1,2,3,4,6,7,8,9-Octachlorodibenzofuran	daily maximum	report only (ug/L)	all year	002
Flow, total	monthly total	report only (Mgal)	all year	002
4-Chloro-3-methylphenol	daily maximum	report only (ug/L)	all year	002
Mercury, total recoverable	daily maximum	report only (ug/L)	all year	002
1,3-Dichloropropene	daily maximum	report only (ug/L)	all year	002
Chromium, trivalent dissolved, as Cr	daily maximum	report only (ug/L)	all year	002
TCDD equivalents	daily maximum	report only (ug/L)	all year	002
Chloroethane	daily maximum	report only (ug/L)	all year	002
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	002
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	002
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	002
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	002
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	002
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	002
Temperature, water deg. centigrade	instantaneous maximum	report only (deg C)	all year	003
Turbidity	daily maximum	report only (NTU)	all year	003
pH	minimum	≥ 6.5 SU	all year	003
pH	maximum	≤ 8.5 SU	all year	003
Solids, total suspended	daily maximum	report only (mg/L)	all year	003
Solids, settleable	daily maximum	≤ 1 mL/L	all year	003
Cyanide, total [as CN]	monthly average	≤ 4.3 ug/L	all year	003
Cyanide, total [as CN]	daily maximum	≤ 8.5 ug/L	all year	003
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	003
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	003
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	003
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	003
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	003
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	003
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	003
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	003
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	003
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	003
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	003
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	003
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	003
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	003
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	003
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	003
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	003
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	003
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	003
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	003
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	003
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	003
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	003
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	003
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	003
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	003
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	003
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	003
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	003
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	003
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	003
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	003
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	003
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	003
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	003
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	003
Oil and grease	monthly average	≤ 10 mg/L	all year	003
Oil and grease	daily maximum	≤ 20 mg/L	all year	003
Rainfall	monthly total	report only (in)	all year	003
Flow, total	monthly total	report only (Mgal)	all year	003
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	003
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	003
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	003
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	003
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	003
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	003
Temperature, water deg. centigrade	instantaneous maximum	report only (deg C)	all year	004
Turbidity	daily maximum	report only (NTU)	all year	004
pH	minimum	≥ 6.5 SU	all year	004
pH	maximum	≤ 8.5 SU	all year	004
Solids, total suspended	daily maximum	report only (mg/L)	all year	004
Solids, settleable	daily maximum	≤ 1 mL/L	all year	004
Cyanide, total [as CN]	monthly average	≤ 4.3 ug/L	all year	004
Cyanide, total [as CN]	daily maximum	≤ 8.5 ug/L	all year	004
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	004
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	004
Selenium, total recoverable	monthly average	≤ 4 ug/L	all year	004
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	004
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	004
Selenium, total recoverable	daily maximum	≤ 8.4 ug/L	all year	004
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	004
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	004
Chromium, hexavalent [as Cr]	monthly average	≤ 5.6 ug/L	all year	004
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	004
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	004
Chromium, hexavalent [as Cr]	daily maximum	≤ 16 ug/L	all year	004
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	004
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	004
Chromium, trivalent [as Cr]	daily maximum	report only (ug/L)	all year	004
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	004
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	004
Nickel, total recoverable	monthly average	≤ 93 ug/L	all year	004
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	004
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	004
Nickel, total recoverable	daily maximum	≤ 200 ug/L	all year	004
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	004
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	004
Zinc, total recoverable	daily maximum	report only (ug/L)	all year	004
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	004
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	004
Lead, total recoverable	monthly average	≤ 8.1 ug/L	all year	004
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	004
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	004
Lead, total recoverable	daily maximum	≤ 19 ug/L	all year	004
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	004
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	004
Copper, total recoverable	monthly average	≤ 14 ug/L	all year	004
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	004
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	004
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	004
Oil and grease	monthly average	≤ 10 mg/L	all year	004
Oil and grease	daily maximum	≤ 20 mg/L	all year	004
Rainfall	monthly total	report only (in)	all year	004
Flow, total	monthly total	report only (Mgal)	all year	004
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	004
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	004
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	004
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	004
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	004
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	004
Specific conductance	daily maximum	report only (umho/cm)	all year	005
pH	minimum	report only (SU)	all year	005
pH	maximum	report only (SU)	all year	005
Solids, total suspended	daily maximum	report only (mg/L)	all year	005
Oil and grease	daily maximum	report only (mg/L)	all year	005
Rainfall	monthly total	report only (in)	all year	005
Flow, total	monthly total	report only (Mgal)	all year	005
Temperature, water deg. centigrade	instantaneous maximum	report only (deg C)	all year	006
Turbidity	daily maximum	report only (NTU)	all year	006
pH	minimum	≥ 6.5 SU	all year	006
pH	maximum	≤ 8.5 SU	all year	006
Solids, total suspended	daily maximum	report only (mg/L)	all year	006
Solids, settleable	daily maximum	≤ 1 mL/L	all year	006
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	006
Selenium, total recoverable	monthly average	≤ 4.1 ug/L	all year	006
Selenium, total recoverable	monthly average	≤ 4.1 ug/L	all year	006
Selenium, total recoverable	monthly average	≤ 4.1 ug/L	all year	006
Selenium, total recoverable	daily maximum	≤ 8.2 ug/L	all year	006
Selenium, total recoverable	daily maximum	≤ 8.2 ug/L	all year	006
Selenium, total recoverable	daily maximum	≤ 8.2 ug/L	all year	006
Chromium, hexavalent [as Cr]	daily maximum	report only (ug/L)	all year	006
Chromium, hexavalent [as Cr]	daily maximum	report only (ug/L)	all year	006
Chromium, hexavalent [as Cr]	daily maximum	report only (ug/L)	all year	006
Chromium, trivalent [as Cr]	monthly average	≤ 370 ug/L	all year	006
Chromium, trivalent [as Cr]	monthly average	≤ 370 ug/L	all year	006
Chromium, trivalent [as Cr]	monthly average	≤ 370 ug/L	all year	006
Chromium, trivalent [as Cr]	daily maximum	≤ 740 ug/L	all year	006
Chromium, trivalent [as Cr]	daily maximum	≤ 740 ug/L	all year	006
Chromium, trivalent [as Cr]	daily maximum	≤ 740 ug/L	all year	006
Nickel, total recoverable	monthly average	≤ 96 ug/L	all year	006
Nickel, total recoverable	monthly average	≤ 96 ug/L	all year	006
Nickel, total recoverable	monthly average	≤ 96 ug/L	all year	006
Nickel, total recoverable	daily maximum	≤ 190 ug/L	all year	006
Nickel, total recoverable	daily maximum	≤ 190 ug/L	all year	006
Nickel, total recoverable	daily maximum	≤ 190 ug/L	all year	006
Zinc, total recoverable	monthly average	≤ 130 ug/L	all year	006
Zinc, total recoverable	monthly average	≤ 130 ug/L	all year	006
Zinc, total recoverable	monthly average	≤ 130 ug/L	all year	006
Zinc, total recoverable	daily maximum	≤ 270 ug/L	all year	006
Zinc, total recoverable	daily maximum	≤ 270 ug/L	all year	006
Zinc, total recoverable	daily maximum	≤ 270 ug/L	all year	006
Lead, total recoverable	monthly average	≤ 8.8 ug/L	all year	006
Lead, total recoverable	monthly average	≤ 8.8 ug/L	all year	006
Lead, total recoverable	monthly average	≤ 8.8 ug/L	all year	006
Lead, total recoverable	daily maximum	≤ 18 ug/L	all year	006
Lead, total recoverable	daily maximum	≤ 18 ug/L	all year	006
Lead, total recoverable	daily maximum	≤ 18 ug/L	all year	006
Copper, total recoverable	monthly average	≤ 17 ug/L	all year	006
Copper, total recoverable	monthly average	≤ 17 ug/L	all year	006
Copper, total recoverable	monthly average	≤ 17 ug/L	all year	006
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	006
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	006
Copper, total recoverable	daily maximum	≤ 34 ug/L	all year	006
Oil and grease	monthly average	≤ 10 mg/L	all year	006
Oil and grease	daily maximum	≤ 20 mg/L	all year	006
Rainfall	monthly total	report only (in)	all year	006
Flow, total	monthly total	report only (Mgal)	all year	006
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	006
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	006
% Survival Static Renewal 96Hr Acute Pimephales promelas	minimum	≥ 70 % survival	all year	006
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	006
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	006
%Surv Static Renewal 96Hr Oncorhynchus mykiss	minimum	≥ 70 % survival	all year	006

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/CA0030236 · MCP: https://passage-data.com/mcp