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Pa Dept of Corr Laurel Highlands State Corr Inst

Industrial or other facility, Somerset, Pennsylvania. NPDES permit PA0030406, in force until Sep 30, 2030. Last 12 months: over a limit 3 times (last June 2026), 139 required values missing, 1 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (69 values), form Q quarterly, form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
April 2026Solids, total suspended, weekly average55.6 mg/L≤ 45 mg/L24%
May 2026Coliform, fecal general, geometric mean610 #/100mL≤ 200 #/100mL205%
June 2026Coliform, fecal general, geometric mean7093 #/100mL≤ 200 #/100mL3447%

Limits in force (84)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 125.2 lb/dall year
Solids, total suspendedweekly average≤ 187.8 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Nitrogen, total [as N]quarterly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2.6 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 3.9 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.9 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10.8 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 7.9 lb/dMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 16.2 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 12.09 lb/dMay–Oct
Phosphorus, total [as P]quarterly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Arsenic, total [as As]monthly averagereport only (ug/L)all year
Arsenic, total [as As]daily maximumreport only (ug/L)all year
Arsenic, total [as As]monthly averagereport only (lb/d)all year
Boron, total [as B]monthly averagereport only (mg/L)all year
Boron, total [as B]daily maximumreport only (mg/L)all year
Boron, total [as B]monthly averagereport only (lb/d)all year
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year
Cadmium, total [as Cd]monthly averagereport only (lb/d)all year
Chromium, trivalent [as Cr]monthly averagereport only (mg/L)all year
Chromium, trivalent [as Cr]daily maximumreport only (mg/L)all year
Cobalt, total [as Co]monthly averagereport only (mg/L)all year
Cobalt, total [as Co]daily maximumreport only (mg/L)all year
Copper, total [as Cu]monthly average≤ .04 mg/Lall year
Copper, total [as Cu]daily maximum≤ .06 mg/Lall year
Iron, total [as Fe]monthly average≤ 3 mg/Lall year
Iron, total [as Fe]daily maximum≤ 4.5 mg/Lall year
Iron, total [as Fe]monthly average≤ 12.5 lb/dall year
Iron, dissolved [as Fe]monthly averagereport only (ug/L)all year
Iron, dissolved [as Fe]daily maximumreport only (ug/L)all year
Iron, dissolved [as Fe]monthly averagereport only (lb/d)all year
Manganese, total [as Mn]monthly average≤ 3.5 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 5.2 mg/Lall year
Manganese, total [as Mn]monthly average≤ 14.6 lb/dall year
Thallium, total [as Tl]monthly average≤ 6 ug/Lall year
Thallium, total [as Tl]daily maximum≤ 9 ug/Lall year
Thallium, total [as Tl]monthly averagereport only (lb/d)all year
Nickel, total [as Ni]monthly averagereport only (mg/L)all year
Nickel, total [as Ni]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]monthly averagereport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Antimony, total [as Sb]monthly averagereport only (ug/L)all year
Antimony, total [as Sb]daily maximumreport only (ug/L)all year
Antimony, total [as Sb]monthly averagereport only (lb/d)all year
Aluminum, total [as Al]monthly averagereport only (mg/L)all year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Phenolmonthly average≤ .015 mg/Lall year
Phenoldaily maximum≤ .026 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coliinstantaneous maximumreport only (#/100mL)all year
Ultraviolet light transmittancedaily minimumreport only (%)all year
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year
Perfluorooctanesulfonatedaily maximumreport only (ng/L)all year
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
p-Cresolmonthly average≤ .014 mg/Lall year
p-Cresoldaily maximum≤ .025 mg/Lall year
Benzoic acids, totalmonthly average≤ .071 mg/Lall year
Benzoic acids, totaldaily maximum≤ .12 mg/Lall year
.alpha.-Terpineolmonthly average≤ .016 mg/Lall year
.alpha.-Terpineoldaily maximum≤ .033 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 38 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 104.2 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 158.4 lb/dall year

How strict are these limits?

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

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