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Halifax County Service Authority

Sewage treatment plant, major discharger, South Boston, Virginia. NPDES permit VA0020362, in force until Aug 31, 2029. Last 12 months: over a limit 17 times (last August 2026), 6 of 25 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (18 values), form M2 monthly (2 values), form Q1 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
28 values over a limit, 0 required values missing, 4 of 24 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
May 2026E. coli, geometric mean154≤ 126 #/100mL22%
May 2026Solids, total suspended, maximum weekly average74≤ 45 mg/L64%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average42≤ 20 mg/L110%
July 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average50≤ 30 mg/L67%
July 2026E. coli, geometric mean1204≤ 126 #/100mL856%
July 2026Nitrogen, Kjeldahl, total [as N], monthly average26≤ 16 mg/L63%
July 2026Nitrogen, Kjeldahl, total [as N], maximum weekly average34≤ 24 mg/L42%
July 2026Solids, total suspended, monthly average573≤ 454 kg/d26%
July 2026Solids, total suspended, monthly average82≤ 30 mg/L173%
July 2026Solids, total suspended, maximum weekly average117≤ 45 mg/L160%
July 2026Solids, total suspended, maximum weekly average813≤ 682 kg/d19%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average26≤ 20 mg/L30%
August 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average39≤ 30 mg/L30%
August 2026E. coli, geometric mean1843≤ 126 #/100mL1363%
August 2026Nitrogen, Kjeldahl, total [as N], monthly average21≤ 16 mg/L31%
August 2026Solids, total suspended, monthly average66≤ 30 mg/L120%
August 2026Solids, total suspended, maximum weekly average96≤ 45 mg/L113%

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 454 kg/dall year
Solids, total suspendedmaximum weekly average≤ 682 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 16 mg/Lall year
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 24 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly average≤ 242 kg/dall year
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 364 kg/dall year
Flow, in conduit or thru treatment plantmonthly average≤ 4 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 30 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 303 kg/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 454 kg/dall year
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/VA0020362 · MCP: https://passage-data.com/mcp