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Ac&S, Inc.

Industrial Organic Chemicals, major discharger, Nitro, West Virginia. NPDES permit WV0075621, in force until Aug 30, 2027. Last 12 months: over a limit 5 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (20 values), outfall 001 form B quarterly (26 values), outfall 001 form C twice a year (8 values), outfall 001 form D yearly (30 values), outfall 003 form C twice a year (12 values), outfall 004 form C twice a year (12 values)
Renewal application due
Mar 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 23 reports late

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

Period endingParameterReportedLimitOver by
October 2025pH, instantaneous minimum5.92 SU≥ 6 SU—
June 2026Chloroform, monthly average.00887 lb/d≤ .005 lb/d77%
June 2026Coliform, fecal general, daily maximum1550 #/100mL≤ 400 #/100mL288%
June 2026Coliform, fecal general, monthly geometric mean775 #/100mL≤ 200 #/100mL288%
August 2026Chloroform, monthly average.01 lb/d≤ .005 lb/d100%

Limits in force (108)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10.4 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 27.8 lb/dall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 13.2 lb/dall year001
Solids, total suspendeddaily maximum≤ 42.4 lb/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Chloride [as Cl]monthly averagereport only (mg/L)all year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Zinc, total recoverablemonthly averagereport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (mg/L)all year001
Aluminum, total recoverablemonthly averagereport only (mg/L)all year001
Aluminum, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverablemonthly averagereport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverablemonthly averagereport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)all year001
Chloroformmonthly averagereport only (ug/L)all year001
Chloroformdaily maximumreport only (ug/L)all year001
Chloroformmonthly average≤ .005 lb/dall year001
Chloroformdaily maximum≤ .011 lb/dall year001
Toluenemonthly averagereport only (ug/L)all year001
Toluenedaily maximumreport only (ug/L)all year001
Toluenemonthly average≤ .006 lb/dall year001
Toluenedaily maximum≤ .019 lb/dall year001
Benzenemonthly averagereport only (ug/L)all year001
Benzenedaily maximumreport only (ug/L)all year001
Benzenemonthly average≤ .009 lb/dall year001
Benzenedaily maximum≤ .032 lb/dall year001
Benzo[k]fluoranthenemonthly averagereport only (ug/L)all year001
Benzo[k]fluoranthenedaily maximumreport only (ug/L)all year001
Benzo[k]fluoranthenemonthly average≤ .005 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .014 lb/dall year001
Benzo[a]pyrenemonthly averagereport only (ug/L)all year001
Benzo[a]pyrenedaily maximumreport only (ug/L)all year001
Benzo[a]pyrenemonthly average≤ .005 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .014 lb/dall year001
Chrysenemonthly averagereport only (ug/L)all year001
Chrysenedaily maximumreport only (ug/L)all year001
Chrysenemonthly average≤ .005 lb/dall year001
Chrysenedaily maximum≤ .014 lb/dall year001
Ethylbenzenemonthly averagereport only (ug/L)all year001
Ethylbenzenedaily maximumreport only (ug/L)all year001
Ethylbenzenemonthly average≤ .007 lb/dall year001
Ethylbenzenedaily maximum≤ .025 lb/dall year001
Methylene chloridemonthly averagereport only (ug/L)all year001
Methylene chloridedaily maximumreport only (ug/L)all year001
Methylene chloridemonthly average≤ .009 lb/dall year001
Methylene chloridedaily maximum≤ .021 lb/dall year001
Benzo[a]anthracenemonthly averagereport only (ug/L)all year001
Benzo[a]anthracenedaily maximumreport only (ug/L)all year001
Benzo[a]anthracenemonthly average≤ .005 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .014 lb/dall year001
4,6-Dinitro-o-cresolmonthly averagereport only (ug/L)all year001
4,6-Dinitro-o-cresoldaily maximumreport only (ug/L)all year001
4,6-Dinitro-o-cresolmonthly average≤ .018 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ .064 lb/dall year001
Naphthalenemonthly averagereport only (ug/L)all year001
Naphthalenedaily maximumreport only (ug/L)all year001
Naphthalenemonthly average≤ .005 lb/dall year001
Naphthalenedaily maximum≤ .014 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ 956 ug/Lall year001
Chlorine, total residualdaily maximum≤ 1826 ug/Lall year001
Toxicity [acute], Ceriodaphnia dubiamonthly average≤ 7.7 tox acuteall year001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 28.8 tox acuteall year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)all year001
Formaldehydemonthly averagereport only (ug/L)all year001
Formaldehydedaily maximumreport only (ug/L)all year001
Mercury, total [as Hg]monthly averagereport only (ug/L)all year001
Mercury, total [as Hg]daily maximumreport only (ug/L)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
3,4-Benzofluoranthenemonthly averagereport only (ug/L)all year001
3,4-Benzofluoranthenedaily maximumreport only (ug/L)all year001
3,4-Benzofluoranthenemonthly average≤ .005 lb/dall year001
3,4-Benzofluoranthenedaily maximum≤ .014 lb/dall year001
pHinstantaneous minimumreport only (SU)all year003
pHinstantaneous maximumreport only (SU)all year003
Solids, total suspendedmonthly averagereport only (mg/L)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year003
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year003
Iron, total recoverablemonthly averagereport only (mg/L)all year003
Iron, total recoverabledaily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year003
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year003
pHinstantaneous minimumreport only (SU)all year004
pHinstantaneous maximumreport only (SU)all year004
Solids, total suspendedmonthly averagereport only (mg/L)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year004
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year004
Iron, total recoverablemonthly averagereport only (mg/L)all year004
Iron, total recoverabledaily maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year004
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year004

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

Same industry: the 28 Chemicals and Allied Products permits in West Virginia.

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Your permit document is the final word. As JSON: /api/v1/permits/WV0075621 · MCP: https://passage-data.com/mcp