Electric Boat Corporation — NPDES permit CT0003824: limits, due date and EPA's record

Ship Building And Repairing, major discharger, Groton, Connecticut. NPDES permit CT0003824, in force until Sep 30, 2029. Last 12 months: over a limit 2 times (last June 2026), 26 required values missing, 5 of 396 reports late. Source: EPA ECHO, Oct 22, 2026.

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

Period ending	Parameter	Reported	Limit	Over by
May 2026	Flow, maximum during 24 hr period, daily maximum	26400 gal/d	≤ 18500 gal/d	43%
June 2026	Flow, maximum during 24 hr period, daily maximum	26400 gal/d	≤ 18500 gal/d	43%

Limits in force (438)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	all year	001
Flow rate	daily average	report only (gal/d)	all year	001
Flow rate	monthly average	≤ 1600000 gal/d	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Oil & Grease	daily maximum	≤ 10 mg/L	all year	001
Chromium, total [as Cr]	monthly average	report only (ug/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	monthly average	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Copper, total [as Cu]	monthly average	≤ .172 kg/d	all year	001
Copper, total [as Cu]	daily maximum	≤ .53 kg/d	all year	001
Lead, total [as Pb]	monthly average	report only (ug/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	001
Lead, total [as Pb]	monthly average	≤ .456 kg/d	all year	001
Lead, total [as Pb]	daily maximum	≤ 1.403 kg/d	all year	001
Nickel, total [as Ni]	monthly average	report only (ug/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	001
Nickel, total [as Ni]	monthly average	≤ .547 kg/d	all year	001
Nickel, total [as Ni]	daily maximum	≤ 1.629 kg/d	all year	001
Zinc, total [as Zn]	monthly average	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	≤ 598 ug/L	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	≤ 628 ug/L	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	monthly average	report only (kg/d)	all year	001
Zinc, total [as Zn]	daily maximum	report only (kg/d)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	001
Polynuclear Aromatic Hydrocarbons [PAHs]	instantaneous maximum	report only (ug/L)	all year	001
Oxidants, total residual	monthly average	≤ 82 ug/L	all year	001
Oxidants, total residual	instantaneous maximum	report only (ug/L)	all year	001
Oxidants, total residual	instantaneous maximum	report only (ug/L)	all year	001
Oxidants, total residual	daily maximum	≤ 86 ug/L	all year	001
Oxidants, total residual	daily maximum	≤ 86 ug/L	all year	001
Oxidants, total residual	daily maximum	≤ 237 ug/L	all year	001
Oxidants, total residual	daily maximum	report only (ug/L)	all year	001
Oxidants, total residual	daily maximum	report only (ug/L)	all year	001
Oxidants, total residual	daily maximum	≤ 91 ug/L	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 11413703 gal/d	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 11413703 gal/d	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 17948947 gal/d	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 17948947 gal/d	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 3686400 gal/d	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 2608846 gal/d	all year	001
Flow, maximum during 24 hr period	daily maximum	≤ 4102621 gal/d	all year	001
Nitrogen, Total	statistic code WL	report only (mg/L)	all year	001
Nitrogen, Total	daily maximum	report only (mg/L)	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	001
Mercury, total [as Hg]	monthly average	≤ .051 ug/L	all year	001
Mercury, total [as Hg]	daily maximum	≤ .15 ug/L	all year	001
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	001
Flow, total	daily maximum	≤ 2880000 gal/d	all year	001
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	daily minimum	≥ 50 % survival	all year	001
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	001
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	001
Noael Static 48Hr Acute Mysid. Bahia	daily minimum	≥ 90 % survival	all year	001
Noael Static 48Hr Acute Mysid. Bahia	daily minimum	≥ 90 % survival	all year	001
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	001
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	001
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	001
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	001
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	daily minimum	≥ 90 % survival	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	daily minimum	≥ 90 % survival	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	daily minimum	≥ 90 % survival	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	001
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	001
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	minimum	report only (%)	all year	001
NOEC Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatus	minimum	report only (%)	all year	001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	maximum	report only (%)	all year	001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatus	minimum	report only (%)	all year	001
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	001
%Surv Static 96Hr Acute Mysidopsis Bahia	daily minimum	≥ 50 % survival	all year	001
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	001
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	all year	002
Flow rate	daily average	report only (gal/d)	all year	002
Flow rate	monthly average	≤ 1833600 gal/d	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Oil & Grease	daily maximum	≤ 10 mg/L	all year	002
Chromium, total [as Cr]	monthly average	report only (ug/L)	all year	002
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year	002
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	monthly average	report only (ug/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	instantaneous maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	002
Copper, total [as Cu]	monthly average	≤ .251 kg/d	all year	002
Copper, total [as Cu]	daily maximum	≤ .606 kg/d	all year	002
Lead, total [as Pb]	monthly average	report only (ug/L)	all year	002
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	002
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	002
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	002
Zinc, total [as Zn]	monthly average	report only (ug/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	002
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	002
Zinc, total [as Zn]	monthly average	≤ 3.817 kg/d	all year	002
Zinc, total [as Zn]	daily maximum	≤ 11.37 kg/d	all year	002
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	002
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	002
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	002
Aluminum, total [as Al]	daily maximum	report only (mg/L)	all year	002
Aluminum, total [as Al]	daily maximum	report only (mg/L)	all year	002
Aluminum, total [as Al]	daily maximum	report only (mg/L)	all year	002
Aluminum, total [as Al]	daily maximum	report only (ug/L)	all year	002
Polynuclear Aromatic Hydrocarbons [PAHs]	instantaneous maximum	report only (ug/L)	all year	002
Oxidants, total residual	monthly average	≤ 82 ug/L	all year	002
Oxidants, total residual	daily maximum	report only (ug/L)	all year	002
Oxidants, total residual	daily maximum	≤ 128 ug/L	all year	002
Oxidants, total residual	daily maximum	≤ 236 ug/L	all year	002
Oxidants, total residual	daily maximum	report only (ug/L)	all year	002
Oxidants, total residual	daily maximum	report only (ug/L)	all year	002
Oxidants, total residual	daily maximum	report only (ug/L)	all year	002
Oxidants, total residual	daily maximum	report only (ug/L)	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 27731574 gal/d	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 27731574 gal/d	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 2640000 gal/d	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 8200000 gal/d	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 3521470 gal/d	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 134000 gal/d	all year	002
Flow, maximum during 24 hr period	daily maximum	≤ 134000 gal/d	all year	002
Nitrogen, Total	monthly average	report only (mg/L)	all year	002
Nitrogen, Total	daily maximum	report only (mg/L)	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	002
Mercury, total [as Hg]	monthly average	report only (ug/L)	all year	002
Mercury, total [as Hg]	daily maximum	report only (ug/L)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	all year	002
Flow, total	daily maximum	≤ 2880000 gal/d	all year	002
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	daily minimum	≥ 50 % survival	all year	002
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	002
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	002
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	002
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	002
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	minimum	report only (%)	all year	002
NOEC Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatus	minimum	report only (%)	all year	002
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	minimum	report only (%)	all year	002
NOEC Sub-Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatus	minimum	report only (%)	all year	002
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	002
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 %	all year	002
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 %	all year	002
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	Jan, Apr, Jul, Oct	003
Flow rate	daily average	report only (gal/d)	all year	003
Flow rate	monthly average	≤ 2310000 gal/d	Jan, Apr, Jul, Oct	003
Solids, total suspended	daily maximum	report only (mg/L)	Jan, Apr, Jul, Oct	003
Copper, total [as Cu]	monthly average	≤ 25 ug/L	Jan, Apr, Jul, Oct	003
Copper, total [as Cu]	daily maximum	≤ 71 ug/L	Jan, Apr, Jul, Oct	003
Lead, total [as Pb]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	003
Lead, total [as Pb]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	003
Zinc, total [as Zn]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	003
Aluminum, total [as Al]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	003
Oxidants, total residual	monthly average	≤ 62 ug/L	Jan, Apr, Jul, Oct	003
Oxidants, total residual	daily maximum	≤ 191 ug/L	Jan, Apr, Jul, Oct	003
Flow, maximum during 24 hr period	daily maximum	≤ 2880000 gal/d	Jan, Apr, Jul, Oct	003
pH, maximum	instantaneous maximum	≤ 8.5 SU	Jan, Apr, Jul, Oct	003
pH, minimum	instantaneous minimum	≥ 6.8 SU	Jan, Apr, Jul, Oct	003
Flow, total	daily maximum	≤ 5760000 gal/d	all year	003
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	003
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	003
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	003
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	003
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	Jan, Apr, Jul, Oct	004
Flow rate	daily average	report only (gal/d)	all year	004
Flow rate	monthly average	≤ 4920000 gal/d	Jan, Apr, Jul, Oct	004
Solids, total suspended	daily maximum	report only (mg/L)	all year	004
Copper, total [as Cu]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	004
Copper, total [as Cu]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	004
Lead, total [as Pb]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	004
Lead, total [as Pb]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	004
Zinc, total [as Zn]	monthly average	≤ 658 ug/L	Jan, Apr, Jul, Oct	004
Zinc, total [as Zn]	daily maximum	≤ 1320 ug/L	Jan, Apr, Jul, Oct	004
Aluminum, total [as Al]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	004
Oxidants, total residual	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	004
Flow, maximum during 24 hr period	daily maximum	≤ 5760000 gal/d	Jan, Apr, Jul, Oct	004
pH, maximum	instantaneous maximum	≤ 8.5 SU	all year	004
pH, minimum	instantaneous minimum	≥ 6.8 SU	all year	004
Flow, total	daily maximum	≤ 5760000 gal/d	all year	004
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	004
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	004
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	004
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	004
Flow rate	daily average	report only (gal/d)	all year	005
Flow, total	daily maximum	≤ 806400 gal/d	all year	005
Flow rate	daily average	report only (gal/d)	all year	006
Flow, total	daily maximum	≤ 806400 gal/d	all year	006
Flow rate	daily average	report only (gal/d)	all year	007
Flow rate	daily maximum	≤ 3600 gal/d	all year	007
pH	instantaneous minimum	≥ 6.8 SU	all year	007
pH	instantaneous minimum	≥ 6.8 SU	all year	007
pH	instantaneous maximum	≤ 8.5 SU	all year	007
pH	instantaneous maximum	≤ 8.5 SU	all year	007
Solids, total suspended	daily maximum	report only (mg/L)	all year	007
Oil & Grease	daily maximum	report only (mg/L)	all year	007
Copper, total [as Cu]	monthly average	≤ 69 ug/L	all year	007
Copper, total [as Cu]	monthly average	≤ 69 ug/L	all year	007
Copper, total [as Cu]	daily maximum	≤ 159 ug/L	all year	007
Copper, total [as Cu]	daily maximum	≤ 159 ug/L	all year	007
Lead, total [as Pb]	monthly average	report only (ug/L)	all year	007
Lead, total [as Pb]	monthly average	≤ 143 ug/L	all year	007
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	007
Lead, total [as Pb]	daily maximum	≤ 430 ug/L	all year	007
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	007
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	007
Oxidants, total residual	monthly average	≤ 240 ug/L	all year	007
Oxidants, total residual	monthly average	report only (ug/L)	all year	007
Oxidants, total residual	daily maximum	≤ 277 ug/L	all year	007
Oxidants, total residual	daily maximum	report only (ug/L)	all year	007
Flow, maximum during 24 hr period	daily maximum	≤ 25920 gal/d	all year	007
Flow, maximum during 24 hr period	daily maximum	≤ 4986 gal/d	all year	007
Flow, total	daily maximum	≤ 8064000 gal/d	all year	007
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)	minimum	report only (%)	all year	007
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)	minimum	report only (%)	all year	007
LC50 Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	007
LC50 Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	007
Flow rate	daily average	report only (gal/d)	all year	008
Flow, total	daily maximum	≤ 6912000 gal/d	all year	008
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	Jan, Apr, Jul, Oct	101
Flow rate	monthly average	report only (gal/d)	Jan, Apr, Jul, Oct	101
Solids, total suspended	monthly average	report only (mg/L)	Jan, Apr, Jul, Oct	101
Solids, total suspended	daily maximum	report only (mg/L)	Jan, Apr, Jul, Oct	101
Copper, total [as Cu]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	101
Copper, total [as Cu]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	101
Lead, total [as Pb]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	101
Lead, total [as Pb]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	101
Zinc, total [as Zn]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	101
Zinc, total [as Zn]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	101
Aluminum, total [as Al]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	101
Polynuclear Aromatic Hydrocarbons [PAHs]	instantaneous maximum	report only (ug/L)	Jan, Apr, Jul, Oct	101
Oxidants, total residual	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	101
Oxidants, total residual	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	101
Flow, maximum during 24 hr period	daily maximum	≤ 8064000 gal/d	Jan, Apr, Jul, Oct	101
pH, maximum	instantaneous maximum	≤ 8.5 SU	Jan, Apr, Jul, Oct	101
pH, minimum	instantaneous minimum	≥ 6.8 SU	Jan, Apr, Jul, Oct	101
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	101
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	101
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	101
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	101
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	Jan, Apr, Jul, Oct	102
Flow rate	daily average	report only (gal/d)	Jan, Apr, Jul, Oct	102
Solids, total suspended	monthly average	report only (mg/L)	Jan, Apr, Jul, Oct	102
Solids, total suspended	daily maximum	report only (mg/L)	Jan, Apr, Jul, Oct	102
Copper, total [as Cu]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	102
Copper, total [as Cu]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	102
Lead, total [as Pb]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	102
Lead, total [as Pb]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	102
Zinc, total [as Zn]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	102
Zinc, total [as Zn]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	102
Aluminum, total [as Al]	instantaneous maximum	report only (ug/L)	Jan, Apr, Jul, Oct	102
Oxidants, total residual	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	102
Oxidants, total residual	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	102
Flow, maximum during 24 hr period	daily maximum	≤ 6912000 gal/d	Jan, Apr, Jul, Oct	102
pH, maximum	instantaneous maximum	≤ 8.5 SU	Jan, Apr, Jul, Oct	102
pH, minimum	instantaneous minimum	≥ 6.8 SU	Jan, Apr, Jul, Oct	102
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	102
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	102
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	102
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	102
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	Jan, Apr, Jul, Oct	104
Flow rate	daily average	≤ 4920000 gal/d	Jan, Apr, Jul, Oct	104
Solids, total suspended	daily maximum	report only (mg/L)	Jan, Apr, Jul, Oct	104
Copper, total [as Cu]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	104
Copper, total [as Cu]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	104
Lead, total [as Pb]	monthly average	report only (ug/L)	Jan, Apr, Jul, Oct	104
Lead, total [as Pb]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	104
Zinc, total [as Zn]	monthly average	≤ 658 ug/L	Jan, Apr, Jul, Oct	104
Zinc, total [as Zn]	daily maximum	≤ 1320 ug/L	Jan, Apr, Jul, Oct	104
Aluminum, total [as Al]	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	104
Oxidants, total residual	daily maximum	report only (ug/L)	Jan, Apr, Jul, Oct	104
Flow, maximum during 24 hr period	daily maximum	≤ 5760000 gal/d	Jan, Apr, Jul, Oct	104
pH, maximum	instantaneous maximum	≤ 8.5 SU	Jan, Apr, Jul, Oct	104
pH, minimum	instantaneous minimum	≥ 6.8 SU	Jan, Apr, Jul, Oct	104
%Effect Static Renewal 96Hr Acute Cyprinodon variegatus	minimum	≥ 50 % survival	all year	104
Noael Static 48Hr Acute Mysid. Bahia	minimum	≥ 90 % survival	all year	104
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	≥ 90 % survival	all year	104
%Surv Static 96Hr Acute Mysidopsis Bahia	minimum	≥ 50 % survival	all year	104
pH	instantaneous minimum	≥ 6.8 SU	all year	105
pH	instantaneous minimum	≥ 6.8 SU	all year	105
pH	instantaneous minimum	≥ 6.8 SU	all year	105
pH	instantaneous minimum	≥ 6.8 SU	all year	105
pH	instantaneous maximum	≤ 8.5 SU	all year	105
pH	instantaneous maximum	≤ 8.5 SU	all year	105
pH	instantaneous maximum	≤ 8.5 SU	all year	105
pH	instantaneous maximum	≤ 8.5 SU	all year	105
Solids, total suspended	daily maximum	report only (mg/L)	all year	105
Solids, total suspended	daily maximum	report only (mg/L)	all year	105
Solids, total suspended	daily maximum	report only (mg/L)	all year	105
Solids, total suspended	daily maximum	report only (mg/L)	all year	105
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	105
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	105
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	105
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	105
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	105
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	105
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	105
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	105
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	105
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	105
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	105
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	105
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	105
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	105
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	105
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	105
Oxidants, total residual	daily maximum	report only (ug/L)	all year	105
Oxidants, total residual	daily maximum	report only (ug/L)	all year	105
Oxidants, total residual	daily maximum	report only (ug/L)	all year	105
Oxidants, total residual	daily maximum	report only (ug/L)	all year	105
Flow, maximum during 24 hr period	daily maximum	≤ 18500 gal/d	all year	105
Flow, maximum during 24 hr period	daily maximum	≤ 18500 gal/d	all year	105
Flow, maximum during 24 hr period	daily maximum	≤ 18500 gal/d	all year	105
Flow, maximum during 24 hr period	daily maximum	≤ 18500 gal/d	all year	105
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	105
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	105
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	105
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	105
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	105
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	105
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	105
NOAEL Static 48Hr Acute Cyprinodon variegatus	minimum	report only (%)	all year	105
pH	instantaneous minimum	≥ 6.8 SU	all year	106
pH	instantaneous minimum	≥ 6.8 SU	all year	106
pH	instantaneous maximum	≤ 8.5 SU	all year	106
pH	instantaneous maximum	≤ 8.5 SU	all year	106
Solids, total suspended	daily maximum	report only (mg/L)	all year	106
Solids, total suspended	daily maximum	report only (mg/L)	all year	106
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	106
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	106
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	106
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year	106
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	106
Nickel, total [as Ni]	daily maximum	report only (ug/L)	all year	106
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	106
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	106
Oxidants, total residual	daily maximum	report only (ug/L)	all year	106
Oxidants, total residual	daily maximum	report only (ug/L)	all year	106
Flow, maximum during 24 hr period	daily maximum	≤ 300000 gal/d	all year	106
Flow, maximum during 24 hr period	daily maximum	≤ 300000 gal/d	all year	106
Noael Static 48Hr Acute Mysid. Bahia	minimum	report only (%)	all year	106
Noael Static 48Hr Acute Mysid. Bahia	daily maximum	report only (%)	all year	106
NOAEL Static 48Hr Acute Cyprinodon variegatus	daily maximum	report only (%)	all year	106
NOAEL Static 48Hr Acute Cyprinodon variegatus	daily maximum	report only (%)	all year	106
Copper, total [as Cu]	monthly average	≤ 2.223 kg/d	all year	111
Copper, total [as Cu]	daily maximum	≤ 4.459 kg/d	all year	111

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/CT0003824 · MCP: https://passage-data.com/mcp