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Hecla Water Association

Water Supply, Proctorville, Ohio. NPDES permit OH0076031, in force until May 31, 2027. Last 12 months: over a limit 11 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (11 values), outfall 002 form A monthly (6 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 25 reports late

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

Period endingOutfallParameterReportedLimitOver by
December 2025002BOD, carbonaceous [5 day, 20 C], daily maximum.11≤ .057 kg/d93%
December 2025002BOD, carbonaceous [5 day, 20 C], daily maximum20≤ 15 mg/L33%
December 2025002BOD, carbonaceous [5 day, 20 C], monthly average.11≤ .038 kg/d189%
December 2025002BOD, carbonaceous [5 day, 20 C], monthly average20≤ 10 mg/L100%
March 2026002BOD, carbonaceous [5 day, 20 C], daily maximum23≤ 15 mg/L53%
March 2026002BOD, carbonaceous [5 day, 20 C], monthly average.055≤ .038 kg/d45%
March 2026002BOD, carbonaceous [5 day, 20 C], monthly average23≤ 10 mg/L130%
May 2026001pH, daily maximum9.375≤ 9 SU—
June 2026001pH, daily maximum9.18≤ 9 SU—
June 2026002BOD, carbonaceous [5 day, 20 C], monthly average13≤ 10 mg/L30%
July 2026001pH, daily maximum9.244≤ 9 SU—

Limits in force (37)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 5.8 kg/dall year001
Solids, total suspendeddaily maximum≤ 8.69 kg/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 residualdaily maximum≤ .038 mg/Lall year001
Trihalomethane, tot.monthly averagereport only (ug/L)Sep001
Trihalomethane, tot.daily maximumreport only (ug/L)Sep001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
Flow ratemonthly averagereport only (gal/d)all year002
Flow ratedaily maximumreport only (gal/d)all year002
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Mar, Jun, Aug, Dec002
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec002
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec002
Solids, total suspendedmonthly average≤ 12 mg/LMar, Jun, Aug, Dec002
Solids, total suspendeddaily maximum≤ 18 mg/LMar, Jun, Aug, Dec002
Solids, total suspendedmonthly average≤ .045 kg/dMar, Jun, Aug, Dec002
Solids, total suspendeddaily maximum≤ .068 kg/dMar, Jun, Aug, Dec002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec002
Turbidity [severity]monthly averagereport only (severity)all year002
Turbidity [severity]daily maximumreport only (severity)all year002
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 1000 #/100mLMar, Dec002
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 2000 #/100mLMar, Dec002
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLJun, Aug002
E. coli, MTEC-MFweekly geometric mean≤ 240 MPN/100mLJun, Aug002
Chlorine, total residualdaily maximum≤ .038 mg/LMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]monthly average≤ .038 kg/dMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ .057 kg/dMar, Jun, Aug, Dec002
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588

How strict are these limits?

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

Same industry: the 147 Water Supply permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0076031 · MCP: https://passage-data.com/mcp