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Copperhead Chem Co Inc

Explosives, Tamaqua, Pennsylvania. NPDES permit PA0012742 expired Oct 31, 2026. Last 12 months: over a limit 10 times (last June 2026), 77 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 011 form A monthly (65 values), outfall 011 form Q quarterly (8 values), outfall 111 form A monthly (12 values), outfall 001 form S twice a year, outfall 002 form S twice a year, outfall 003 form S twice a year, and 11 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 55 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025011BOD, 5-day, percent removal, monthly average minimum69 %≥ 85 %107%
October 2025011Mercury, total [as Hg], daily maximum57.3 ug/L≤ 50.2 ug/L14%
December 2025002Solids, total suspended, instantaneous maximum196 mg/L≤ 100 mg/L96%
December 2025003Solids, total suspended, instantaneous maximum834 mg/L≤ 100 mg/L734%
December 2025011BOD, 5-day, percent removal, monthly average minimum55 %≥ 85 %200%
January 2026011BOD, 5-day, percent removal, monthly average minimum79 %≥ 85 %40%
April 2026011BOD, 5-day, percent removal, monthly average minimum80.3 %≥ 85 %31%
May 2026011BOD, 5-day, percent removal, monthly average minimum82 %≥ 85 %20%
June 2026002Solids, total suspended, instantaneous maximum596 mg/L≤ 100 mg/L496%
June 2026003Solids, total suspended, instantaneous maximum1380 mg/L≤ 100 mg/L1280%

Limits in force (293)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]instantaneous maximumreport only (mg/L)all year001
pHinstantaneous minimumreport only (SU)all year001
pHinstantaneous maximumreport only (SU)all year001
Solids, total suspendedinstantaneous maximumreport only (mg/L)all year001
Oil & Greaseinstantaneous maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]instantaneous maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year001
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year001
Carbon, tot organic [TOC]instantaneous maximumreport only (mg/L)all year001
Cyanide, total [as CN]instantaneous maximumreport only (mg/L)all year001
Magnesium, dissolved [as Mg]instantaneous maximumreport only (mg/L)all year001
Magnesium, total [as Mg]instantaneous maximumreport only (mg/L)all year001
Arsenic, total [as As]instantaneous maximumreport only (mg/L)all year001
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year001
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year001
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year001
Silver, total [as Ag]instantaneous maximumreport only (mg/L)all year001
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year001
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year001
Selenium, total [as Se]instantaneous maximumreport only (mg/L)all year001
Solids, total dissolvedinstantaneous maximumreport only (mg/L)all year001
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year002
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year002
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]instantaneous maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year002
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year002
Cyanide, total [as CN]instantaneous maximumreport only (mg/L)all year002
Arsenic, total [as As]instantaneous maximumreport only (mg/L)all year002
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year002
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year002
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year002
Silver, total [as Ag]instantaneous maximumreport only (mg/L)all year002
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year002
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year002
Selenium, total [as Se]instantaneous maximumreport only (mg/L)all year002
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year003
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year003
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year003
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year003
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year003
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year003
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year003
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year003
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year004
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year004
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year004
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year004
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year004
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year004
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year004
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year004
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year004
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year005
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year005
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year005
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year005
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year005
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year005
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year005
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year005
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year005
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year006
pHinstantaneous minimum≥ 6 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year006
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year006
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year006
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year006
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year006
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year006
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year006
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year006
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year006
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year007
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year007
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year007
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year007
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year007
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year007
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year007
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year007
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year007
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year009
pHinstantaneous minimum≥ 6 SUall year009
pHinstantaneous maximum≤ 9 SUall year009
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year009
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year009
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all year009
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year009
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year009
Cyanide, total [as CN]instantaneous maximumreport only (mg/L)all year009
Arsenic, total [as As]instantaneous maximumreport only (mg/L)all year009
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year009
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year009
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year009
Silver, total [as Ag]instantaneous maximumreport only (mg/L)all year009
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year009
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year009
Selenium, total [as Se]instantaneous maximumreport only (mg/L)all year009
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year009
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year010
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year010
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year010
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year010
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year010
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year010
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year010
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year010
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year010
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year010
Oxygen, dissolved [DO]instantaneous minimum≥ 3 mg/Lall year011
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year011
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 mg/Lall year011
BOD, 5-day, 20 deg. Cmonthly average≤ 1.52 lb/dall year011
BOD, 5-day, 20 deg. Cdaily maximum≤ 3.19 lb/dall year011
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year011
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year011
Oxygen demand, chem. [high level] [COD]monthly average≤ 3.85 lb/dall year011
Oxygen demand, chem. [high level] [COD]daily maximum≤ 9.9 lb/dall year011
pHinstantaneous minimum≥ 6 SUall year011
pHinstantaneous maximum≤ 9 SUall year011
Solids, total suspendedmonthly average≤ 30 mg/Lall year011
Solids, total suspendeddaily maximum≤ 60 mg/Lall year011
Solids, total suspendedmonthly average≤ 2.1 lb/dall year011
Solids, total suspendeddaily maximum≤ 4.29 lb/dall year011
Oil & Greasemonthly average≤ 15 mg/Lall year011
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year011
Nitrogen, total [as N]annual averagereport only (mg/L)all year011
Nitrogen, total [as N]daily maximumreport only (mg/L)all year011
Nitrogen, total [as N]annual averagereport only (lb/d)all year011
Nitrogen, total [as N]daily maximumreport only (lb/d)all year011
Nitrogen, ammonia total [as N]monthly average≤ 25 mg/LMay–Oct011
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec011
Nitrogen, ammonia total [as N]daily maximum≤ 50 mg/LMay–Oct011
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec011
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)May–Oct011
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec011
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)May–Oct011
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec011
Nitrogen, Kjeldahl, total [as N]annual averagereport only (mg/L)all year011
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year011
Nitrogen, Kjeldahl, total [as N]annual averagereport only (lb/d)all year011
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year011
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year011
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year011
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year011
Nitrite + Nitrate total [as N]daily maximumreport only (lb/d)all year011
Phosphorus, total [as P]annual averagereport only (mg/L)all year011
Phosphorus, total [as P]daily maximumreport only (mg/L)all year011
Phosphorus, total [as P]annual averagereport only (lb/d)all year011
Phosphorus, total [as P]daily maximumreport only (lb/d)all year011
Cyanide, weak acid, dissociablemonthly averagereport only (mg/L)all year011
Cyanide, weak acid, dissociabledaily maximumreport only (mg/L)all year011
Cyanide, weak acid, dissociablemonthly average≤ .0017 lb/dall year011
Cyanide, weak acid, dissociabledaily maximumreport only (lb/d)all year011
Chromium, total [as Cr]monthly averagereport only (mg/L)all year011
Chromium, total [as Cr]daily maximumreport only (mg/L)all year011
Chromium, total [as Cr]monthly average≤ .00466 lb/dall year011
Chromium, total [as Cr]daily maximumreport only (lb/d)all year011
Copper, total [as Cu]monthly averagereport only (mg/L)all year011
Copper, total [as Cu]daily maximumreport only (mg/L)all year011
Copper, total [as Cu]monthly average≤ .02695 lb/dall year011
Copper, total [as Cu]daily maximumreport only (lb/d)all year011
Iron, total [as Fe]quarterly averagereport only (mg/L)all year011
Iron, total [as Fe]daily maximumreport only (mg/L)all year011
Iron, total [as Fe]quarterly averagereport only (lb/d)all year011
Iron, total [as Fe]daily maximumreport only (lb/d)all year011
Lead, total [as Pb]monthly averagereport only (mg/L)all year011
Lead, total [as Pb]daily maximumreport only (mg/L)all year011
Lead, total [as Pb]monthly average≤ .01002 lb/dall year011
Lead, total [as Pb]daily maximumreport only (lb/d)all year011
Manganese, total [as Mn]annual averagereport only (mg/L)all year011
Manganese, total [as Mn]daily maximumreport only (mg/L)all year011
Manganese, total [as Mn]annual averagereport only (lb/d)all year011
Manganese, total [as Mn]daily maximumreport only (lb/d)all year011
Nickel, total [as Ni]monthly averagereport only (mg/L)all year011
Nickel, total [as Ni]daily maximumreport only (mg/L)all year011
Nickel, total [as Ni]monthly average≤ .02915 lb/dall year011
Nickel, total [as Ni]daily maximumreport only (lb/d)all year011
Zinc, total [as Zn]monthly averagereport only (mg/L)all year011
Zinc, total [as Zn]daily maximumreport only (mg/L)all year011
Zinc, total [as Zn]monthly average≤ .01773 lb/dall year011
Zinc, total [as Zn]daily maximumreport only (lb/d)all year011
Aluminum, total [as Al]monthly averagereport only (mg/L)all year011
Aluminum, total [as Al]daily maximumreport only (mg/L)all year011
Aluminum, total [as Al]monthly average≤ .04486 lb/dall year011
Aluminum, total [as Al]daily maximumreport only (lb/d)all year011
Ultraviolet light intensityinstantaneous minimumreport only (uW/cm2)all year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
Chlorine, total residualmonthly average≤ .5 mg/Lall year011
Chlorine, total residualinstantaneous maximum≤ 1.17 mg/Lall year011
E. coliinstantaneous maximumreport only (#/100mL)all year011
Solids, total dissolvedquarterly averagereport only (mg/L)all year011
Solids, total dissolveddaily maximumreport only (mg/L)all year011
Solids, total dissolvedquarterly averagereport only (lb/d)all year011
Solids, total dissolveddaily maximumreport only (lb/d)all year011
Mercury, total [as Hg]monthly average≤ 27.2 ug/Lall year011
Mercury, total [as Hg]daily maximum≤ 50.2 ug/Lall year011
Mercury, total [as Hg]monthly average≤ .004 lb/dall year011
Mercury, total [as Hg]daily maximum≤ .008 lb/dall year011
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep011
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec011
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep011
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec011
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year011
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year012
pHinstantaneous minimum≥ 6 SUall year012
pHinstantaneous maximum≤ 9 SUall year012
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year012
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year012
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year012
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year012
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year012
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year012
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year012
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year012
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year012
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year013
pHinstantaneous minimum≥ 6 SUall year013
pHinstantaneous maximum≤ 9 SUall year013
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year013
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year013
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year013
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year013
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year013
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year013
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year013
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year013
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year013
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year014
pHinstantaneous minimum≥ 6 SUall year014
pHinstantaneous maximum≤ 9 SUall year014
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year014
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year014
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year014
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year014
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year014
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year014
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year014
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year014
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year014
Oxygen demand, chem. [high level] [COD]instantaneous maximum≤ 120 mg/Lall year018
pHinstantaneous minimum≥ 6 SUall year018
pHinstantaneous maximum≤ 9 SUall year018
Solids, total suspendedinstantaneous maximum≤ 100 mg/Lall year018
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all year018
Nitrite + Nitrate total [as N]instantaneous maximumreport only (mg/L)all year018
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year018
Cyanide, total [as CN]instantaneous maximumreport only (mg/L)all year018
Arsenic, total [as As]instantaneous maximumreport only (mg/L)all year018
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year018
Iron, total [as Fe]instantaneous maximumreport only (mg/L)all year018
Lead, total [as Pb]instantaneous maximumreport only (mg/L)all year018
Silver, total [as Ag]instantaneous maximumreport only (mg/L)all year018
Zinc, total [as Zn]instantaneous maximumreport only (mg/L)all year018
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year018
Selenium, total [as Se]instantaneous maximumreport only (mg/L)all year018
Mercury, total [as Hg]instantaneous maximumreport only (mg/L)all year018
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year111
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year111
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year111
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year111
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year111
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year111
Oxygen demand, chem. [high level] [COD]monthly averagereport only (lb/d)all year111
Oxygen demand, chem. [high level] [COD]daily maximumreport only (lb/d)all year111
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year111
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year111
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year111
Nitrite + Nitrate total [as N]daily maximumreport only (lb/d)all year111

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

Same industry: the 66 Chemicals and Allied Products permits in Pennsylvania.

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