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Boston Water and Sewer Company

Sewerage Systems, Boston, Virginia. NPDES permit VA0065358, in force until Oct 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form A1 yearly
Last report on file
December 2025
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 1 report late

Limits in force (30)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly maximum≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 1.7 kg/dall year
BOD, 5-day, 20 deg. Cweekly maximum≤ 2.6 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all 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≤ 1.7 kg/dall year
Solids, total suspendedweekly maximum≤ 2.6 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, total [as N]annual averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 1.1 mg/Lall year
Nitrogen, Kjeldahl, total [as N]annual averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]annual averagereport only (mg/L)all year
Phosphorus, total [as P]annual averagereport only (mg/L)all year
Zinc, total recoverablemonthly average≤ 130 ug/Lall year
Zinc, total recoverableweekly average≤ 130 ug/Lall year
Copper, total recoverablemonthly average≤ 18 ug/Lall year
Copper, total recoverableweekly average≤ 18 ug/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .015 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD) (alert, not enforceable)all year
BOD, percent removal [total]monthly average minimum≥ 85 %all year
E. coligeometric mean≤ 126 #/100mLall year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
TU Static Renewal 7-Day Chronic Ceriodaphnia dubiadaily maximum≤ 1.44 tox chronicall year
TU Static Renewal 7-Day Chronic Pimphales promelasdaily maximum≤ 1.44 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/VA0065358 · MCP: https://passage-data.com/mcp