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Salem, City of

Sewage treatment plant, Salem, West Virginia. NPDES permit WV0020257, in force until Nov 6, 2028. Last 12 months: over a limit 46 times (last August 2026), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (27 values), outfall 001 form B quarterly (4 values), outfall IU03 form A monthly (25 values), outfall IU08 form A monthly (19 values), outfall IU09 form A monthly (28 values), outfall 001 form C twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
55 values over a limit, 6 required values missing, 0 of 54 reports late

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

All 46 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025IU03BOD, 5-day, 20 deg. C, daily maximum957 mg/L≤ 300 mg/L219%
October 2025IU03BOD, 5-day, 20 deg. C, daily maximum957 mg/L≤ 600 mg/L60%
October 2025IU03Oil and grease, hexane extr method, daily maximum951 mg/L≤ 200 mg/L376%
October 2025IU03Oil and grease, hexane extr method, daily maximum951 mg/L≤ 50 mg/L1802%
October 2025IU09Flow rate, daily maximum348330 gal/d≤ 20000 gal/d1642%
November 2025IU03Oil and grease, hexane extr method, daily maximum78.5 mg/L≤ 50 mg/L57%
November 2025IU08BOD, 5-day, 20 deg. C, daily maximum371 mg/L≤ 300 mg/L24%
November 2025IU09Flow rate, daily maximum27300 gal/d≤ 20000 gal/d37%
December 2025IU08BOD, 5-day, 20 deg. C, daily maximum476 mg/L≤ 300 mg/L59%
December 2025IU08Oil and grease, hexane extr method, daily maximum94.6 mg/L≤ 50 mg/L89%
December 2025IU08Solids, total suspended, daily maximum3600 mg/L≤ 300 mg/L1100%
December 2025IU09Flow rate, daily maximum488851 gal/d≤ 20000 gal/d2344%
January 2026IU03Oil and grease, hexane extr method, daily maximum58.9 mg/L≤ 50 mg/L18%
January 2026IU08BOD, 5-day, 20 deg. C, daily maximum621 mg/L≤ 600 mg/L4%
January 2026IU09BOD, 5-day, 20 deg. C, daily maximum470 mg/L≤ 300 mg/L57%
January 2026IU09Flow rate, daily maximum24675 gal/d≤ 20000 gal/d23%
February 2026001Coliform, fecal general, daily maximum2419.6 #/100mL≤ 400 #/100mL505%
February 2026001Coliform, fecal general, monthly geometric mean227 #/100mL≤ 200 #/100mL14%
February 2026IU03Oil and grease, hexane extr method, daily maximum55.9 mg/L≤ 50 mg/L12%
February 2026IU08BOD, 5-day, 20 deg. C, daily maximum338 mg/L≤ 300 mg/L13%
February 2026IU08Solids, total suspended, daily maximum690 mg/L≤ 300 mg/L130%
February 2026IU09BOD, 5-day, 20 deg. C, daily maximum1288 mg/L≤ 300 mg/L329%
February 2026IU09BOD, 5-day, 20 deg. C, daily maximum1288 mg/L≤ 600 mg/L115%
February 2026IU09Flow rate, daily maximum30475 gal/d≤ 20000 gal/d52%
March 2026IU08BOD, 5-day, 20 deg. C, daily maximum575 mg/L≤ 300 mg/L92%
March 2026IU08BOD, 5-day, 20 deg. C, daily maximum697 mg/L≤ 600 mg/L16%
March 2026IU08Oil and grease, hexane extr method, daily maximum185 mg/L≤ 50 mg/L270%
March 2026IU09BOD, 5-day, 20 deg. C, daily maximum1292 mg/L≤ 300 mg/L331%
March 2026IU09BOD, 5-day, 20 deg. C, daily maximum1292 mg/L≤ 600 mg/L115%
March 2026IU09Flow rate, daily maximum31800 gal/d≤ 20000 gal/d59%
April 2026IU03Oil and grease, hexane extr method, daily maximum92.91 mg/L≤ 50 mg/L86%
April 2026IU08BOD, 5-day, 20 deg. C, daily maximum620 mg/L≤ 600 mg/L3%
April 2026IU09BOD, 5-day, 20 deg. C, daily maximum306 mg/L≤ 300 mg/L2%
April 2026IU09Flow rate, daily maximum32400 gal/d≤ 20000 gal/d62%
May 2026IU03Flow rate, daily maximum20542 gal/d≤ 20000 gal/d3%
May 2026IU08BOD, 5-day, 20 deg. C, daily maximum682 mg/L≤ 600 mg/L14%
May 2026IU08Oil and grease, hexane extr method, daily maximum620 mg/L≤ 200 mg/L210%
May 2026IU08Oil and grease, hexane extr method, daily maximum97 mg/L≤ 50 mg/L94%
May 2026IU08Solids, total suspended, daily maximum1320 mg/L≤ 600 mg/L120%
May 2026IU09Flow rate, daily maximum32105 gal/d≤ 20000 gal/d61%
June 2026IU03BOD, 5-day, 20 deg. C, daily maximum1320 mg/L≤ 600 mg/L120%
June 2026IU09Flow rate, daily maximum45800 gal/d≤ 20000 gal/d129%
July 2026IU09Flow rate, daily maximum39100 gal/d≤ 20000 gal/d96%
August 2026001Copper, total recoverable, monthly average.008 mg/L≤ .007 mg/L14%
August 2026IU03BOD, 5-day, 20 deg. C, daily maximum573 mg/L≤ 300 mg/L91%
August 2026IU09Flow rate, daily maximum31559 gal/d≤ 20000 gal/d58%

Limits in force (113)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 7.4 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 6.5 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 13 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily maximum≤ 13 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cdaily maximum≤ 26 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 21.7 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 43.4 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily maximum≤ 43.4 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cdaily maximum≤ 86.8 lb/dJan, Feb, Mar, Apr, Nov, Dec001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Solids, total suspendedmonthly average≤ 100 lb/dall year001
Solids, total suspendeddaily maximum≤ 200 lb/dall year001
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year001
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 6.7 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 3.3 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 13.4 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 6.7 lb/dMay–Oct001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]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 average≤ .0024 mg/Lall year001
Lead, total recoverabledaily maximum≤ .0041 mg/Lall year001
Copper, total recoverablemonthly average≤ .007 mg/Lall year001
Copper, total recoverabledaily maximum≤ .013 mg/Lall 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
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Temperature, water deg. fahrenheitdaily maximum≤ 120 deg Fall yearIU03
Flow ratemonthly averagereport only (gal/d)all yearIU03
Flow ratedaily maximum≤ 20000 gal/dall yearIU03
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearIU03
BOD, 5-day, 20 deg. Cdaily maximum≤ 300 mg/Lall yearIU03
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all yearIU03
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all yearIU03
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearIU03
BOD, 5-day, 20 deg. Cdaily maximum≤ 600 mg/Lall yearIU03
pHinstantaneous minimum≥ 5 SUall yearIU03
pHinstantaneous maximum≤ 10 SUall yearIU03
Solids, total suspendedmonthly averagereport only (mg/L)all yearIU03
Solids, total suspendeddaily maximum≤ 300 mg/Lall yearIU03
Solids, total suspendedmonthly averagereport only (mg/L)all yearIU03
Solids, total suspendeddaily maximum≤ 600 mg/Lall yearIU03
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearIU03
Oil and grease, hexane extr methoddaily maximum≤ 50 mg/Lall yearIU03
Oil and grease, hexane extr methodmonthly averagereport only (lb/d)all yearIU03
Oil and grease, hexane extr methoddaily maximumreport only (lb/d)all yearIU03
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearIU03
Oil and grease, hexane extr methoddaily maximum≤ 200 mg/Lall yearIU03
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all yearIU03
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all yearIU03
Chemical Oxygen Demand [COD]monthly averagereport only (lb/d)all yearIU03
Chemical Oxygen Demand [COD]daily maximumreport only (lb/d)all yearIU03
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all yearIU08
Temperature, water deg. fahrenheitdaily maximum≤ 120 deg Fall yearIU08
Flow ratemonthly averagereport only (gal/d)all yearIU08
Flow ratedaily maximum≤ 50000 gal/dall yearIU08
BOD, 5-day, 20 deg. Cdaily maximum≤ 300 mg/Lall yearIU08
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearIU08
BOD, 5-day, 20 deg. Cdaily maximum≤ 600 mg/Lall yearIU08
pHinstantaneous minimum≥ 5 SUall yearIU08
pHinstantaneous maximum≤ 10 SUall yearIU08
Solids, total suspendedmonthly averagereport only (mg/L)all yearIU08
Solids, total suspendeddaily maximum≤ 300 mg/Lall yearIU08
Solids, total suspendedmonthly averagereport only (mg/L)all yearIU08
Solids, total suspendeddaily maximum≤ 600 mg/Lall yearIU08
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearIU08
Oil and grease, hexane extr methoddaily maximum≤ 50 mg/Lall yearIU08
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearIU08
Oil and grease, hexane extr methoddaily maximum≤ 200 mg/Lall yearIU08
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all yearIU08
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all yearIU08
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all yearIU09
Temperature, water deg. fahrenheitdaily maximum≤ 120 deg Fall yearIU09
Flow ratemonthly averagereport only (gal/d)all yearIU09
Flow ratedaily maximum≤ 20000 gal/dall yearIU09
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearIU09
BOD, 5-day, 20 deg. Cdaily maximum≤ 300 mg/Lall yearIU09
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all yearIU09
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all yearIU09
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearIU09
BOD, 5-day, 20 deg. Cdaily maximum≤ 600 mg/Lall yearIU09
pHinstantaneous minimum≥ 5 SUall yearIU09
pHinstantaneous maximum≤ 10 SUall yearIU09
Solids, total suspendedmonthly averagereport only (mg/L)all yearIU09
Solids, total suspendeddaily maximum≤ 300 mg/Lall yearIU09
Solids, total suspendedmonthly averagereport only (lb/d)all yearIU09
Solids, total suspendeddaily maximumreport only (lb/d)all yearIU09
Solids, total suspendedmonthly averagereport only (mg/L)all yearIU09
Solids, total suspendeddaily maximum≤ 600 mg/Lall yearIU09
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearIU09
Oil and grease, hexane extr methoddaily maximum≤ 50 mg/Lall yearIU09
Oil and grease, hexane extr methodmonthly averagereport only (lb/d)all yearIU09
Oil and grease, hexane extr methoddaily maximumreport only (lb/d)all yearIU09
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all yearIU09
Oil and grease, hexane extr methoddaily maximum≤ 200 mg/Lall yearIU09
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all yearIU09
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all yearIU09
Chemical Oxygen Demand [COD]monthly averagereport only (lb/d)all yearIU09
Chemical Oxygen Demand [COD]daily maximumreport only (lb/d)all yearIU09

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/WV0020257 · MCP: https://passage-data.com/mcp