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Keysville Town

Sewage treatment plant, Keysville, Virginia. NPDES permit VA0024058, in force until Mar 31, 2029. Last 12 months: over a limit 8 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (25 values), form A1 yearly, form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 14 reports late

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

Period endingParameterReportedLimitOver by
January 2026Chlorine, total residual, instantaneous minimum0≥ .6 mg/L100%
February 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average39≤ 37.5 mg/L4%
February 2026Chlorine, total residual, instantaneous minimum0≥ .6 mg/L100%
February 2026Copper, total recoverable, monthly average23≤ 11 ug/L109%
February 2026Copper, total recoverable, maximum weekly average23≤ 11 ug/L109%
February 2026Nitrogen, ammonia total [as N], monthly average4≤ 1.4 mg/L186%
February 2026Nitrogen, ammonia total [as N], maximum weekly average4≤ 1.4 mg/L186%
March 2026Chlorine, total residual, instantaneous minimum0≥ .6 mg/L100%

Limits in force (36)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
pHmonthly minimum≥ 6 SUall year
pHmonthly maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 27 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 51 kg/dall year
Solids, total suspendedmaximum weekly average≤ 85 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 4 mg/LMay–Nov
Nitrogen, Kjeldahl, total [as N]maximum≤ 6 mg/LMay–Nov
Nitrogen, Kjeldahl, total [as N]monthly average≤ 7.57 kg/dMay–Nov
Nitrogen, Kjeldahl, total [as N]maximum≤ 11.3 kg/dMay–Nov
Zinc, total recoverablemonthly average≤ 93 ug/Lall year
Zinc, total recoverablemaximum weekly average≤ 93 ug/Lall year
Copper, total recoverablemonthly average≤ 11 ug/Lall year
Copper, total recoverablemaximum weekly average≤ 11 ug/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .5 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ 7.3 ug/Lall year
Chlorine, total residualmaximum weekly average≤ 8.2 ug/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
Suspended solids, total annualannual total≤ 20.7 ton/yrall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 17 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum≤ 25.5 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 37.5 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 32.1 kg/dMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 47.3 kg/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum≤ 48.2 kg/dMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 70.9 kg/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0024058 · MCP: https://passage-data.com/mcp