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Canaan Valley PSD

Sewage treatment plant, Davis, West Virginia. NPDES permit WV0106011, in force until Oct 18, 2027. Last 12 months: over a limit 11 times (last August 2026), 12 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (24 values), outfall 002 form A monthly (24 values), outfall 001 form C twice a year, outfall 001 form D yearly, outfall 002 form C twice a year, outfall 002 form D yearly
Renewal application due
Apr 21, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 13 required values missing, 0 of 30 reports late

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

Period endingOutfallParameterReportedLimitOver by
November 2025002Copper, total recoverable, monthly average.014 mg/L< .009 mg/L56%
January 2026002Copper, total recoverable, monthly average.013 mg/L< .009 mg/L44%
February 2026002Copper, total recoverable, monthly average.009 mg/L< .009 mg/L0%
April 2026002Copper, total recoverable, monthly average.009 mg/L< .009 mg/L0%
May 2026002Copper, total recoverable, daily maximum.023 mg/L< .016 mg/L44%
May 2026002Copper, total recoverable, monthly average.023 mg/L< .009 mg/L156%
June 2026001Copper, total recoverable, daily maximum4.5 mg/L≤ .024 mg/L18650%
June 2026001Copper, total recoverable, monthly average4.5 mg/L≤ .013 mg/L34515%
June 2026002Copper, total recoverable, daily maximum9.1 mg/L< .016 mg/L56775%
June 2026002Copper, total recoverable, monthly average9.1 mg/L< .009 mg/L—
August 2026002Copper, total recoverable, monthly average.009 mg/L< .009 mg/L0%

Limits in force (75)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/LJan, Feb, Mar, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 4.13 mg/LApr–Nov001
BOD, 5-day, 20 deg. Cdaily maximum≤ 10 mg/LJan, Feb, Mar, Dec001
BOD, 5-day, 20 deg. Cdaily maximum≤ 8.26 mg/LApr–Nov001
BOD, 5-day, 20 deg. Cmonthly average≤ 5 lb/dJan, Feb, Mar, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 2.75 lb/dApr–Nov001
BOD, 5-day, 20 deg. Cdaily maximum≤ 10 lb/dJan, Feb, Mar, Dec001
BOD, 5-day, 20 deg. Cdaily maximum≤ 5.5 lb/dApr–Nov001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/LApr–Nov001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Dec001
Solids, total suspendeddaily maximum≤ 60 mg/LApr–Nov001
Solids, total suspendeddaily maximum≤ 60 mg/LJan, Feb, Mar, Dec001
Solids, total suspendedmonthly average≤ 20 lb/dApr–Nov001
Solids, total suspendedmonthly average≤ 30 lb/dJan, Feb, Mar, Dec001
Solids, total suspendeddaily maximum≤ 30 lb/dApr–Nov001
Solids, total suspendeddaily maximum≤ 60 lb/dJan, Feb, Mar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.48 mg/LApr–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.96 mg/LApr–Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LJan, Feb, Mar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.65 lb/dApr–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 3 lb/dJan, Feb, Mar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 lb/dApr–Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 6 lb/dJan, Feb, Mar, Dec001
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
Lead, total recoverablemonthly averagereport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverablemonthly average≤ .013 mg/Lall year001
Copper, total recoverabledaily maximum≤ .024 mg/Lall year001
Flow, in conduit or thru treatment plantminimumreport only (MGD)Jan, Feb, Mar, Dec001
Flow, in conduit or thru treatment plantminimumreport only (MGD)Apr–Nov001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Apr–Nov001
Flow, in conduit or thru treatment plantdaily maximum≤ .12 MGDJan, Feb, Mar, Dec001
Flow, in conduit or thru treatment plantdaily maximum≤ .08 MGDApr–Nov001
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
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 4.52 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 9.04 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 3.76 lb/dall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 7.53 lb/dall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 60 mg/Lall year002
Solids, total suspendedmonthly average≤ 25 lb/dall year002
Solids, total suspendeddaily maximum≤ 50 lb/dall year002
Nitrogen, ammonia total [as N]monthly average≤ 2.71 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximum≤ 5.42 mg/Lall year002
Nitrogen, ammonia total [as N]monthly average≤ 2.26 lb/dall year002
Nitrogen, ammonia total [as N]daily maximum≤ 4.51 lb/dall year002
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Zinc, total recoverablemonthly averagereport only (mg/L)all year002
Zinc, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverablemonthly averagereport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Copper, total recoverablemonthly average< .009 mg/Lall year002
Copper, total recoverabledaily maximum< .016 mg/Lall year002
Flow, in conduit or thru treatment plantminimumreport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximum≤ .1 MGDall year002
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year002
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year002
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year002
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002

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/WV0106011 · MCP: https://passage-data.com/mcp