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Tazewell County Public Service Authority

Sewage treatment plant, Pocahontas, Virginia. NPDES permit VA0091588, in force until Dec 31, 2029. Last 12 months: no values over a limit, 1 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (16 values), form S1 twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 2 of 13 reports late

Limits in force (26)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6.5 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 57 kg/dall year
Solids, total suspendedweekly average≤ 85 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 8.2 mg/LJun–Dec
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LJan–May
Nitrogen, ammonia total [as N]weekly average≤ 8.9 mg/LJun–Dec
Nitrogen, ammonia total [as N]weekly average≤ 12 mg/LJan–May
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
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 18 mg/LJun–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 22 mg/LJan–May
BOD, carbonaceous [5 day, 20 C]weekly average≤ 27 mg/LJun–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 33 mg/LJan–May
BOD, carbonaceous [5 day, 20 C]monthly average≤ 34 kg/dJun–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 42 kg/dJan–May
BOD, carbonaceous [5 day, 20 C]weekly average≤ 51 kg/dJun–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 63 kg/dJan–May
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/VA0091588 · MCP: https://passage-data.com/mcp