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CNW Regional Wastewater Treatment Authority

Sewage treatment plant, major discharger, Coeburn, Virginia. NPDES permit VA0077828, in force until Sep 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (19 values), form Q1 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (30)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 18 mg/Lall year
Solids, total suspendedweekly average≤ 27 mg/Lall year
Solids, total suspendedmonthly average≤ 450 kg/dall year
Solids, total suspendedweekly average≤ 680 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.6 mg/LJan, Feb, Mar, Apr, May, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJun–Nov
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LJan, Feb, Mar, Apr, May, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.2 mg/LJun–Nov
Flow, in conduit or thru treatment plantmonthly average≤ 6.5 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≤ .0083 mg/Lall year
Chlorine, total residualweekly average≤ .0088 mg/Lall year
Chlorine, total residualminimum≥ .6 mg/Lall year
E. coligeometric mean≤ 97 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 12 mg/LJun–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 22 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 18 mg/LJun–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 380 kg/dJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 300 kg/dJun–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 580 kg/dJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 450 kg/dJun–Nov
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
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamaximum≤ 1.85 tox chronicall 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/VA0077828 · MCP: https://passage-data.com/mcp