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University of Virginia

Sewerage Systems, Pembroke, Virginia. NPDES permit VA0075361, in force until Feb 29, 2028. 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 (18 values), form A1 yearly
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 5 required values missing, 0 of 13 reports late

Limits in force (22)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 8.2 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 1000 g/dall year
Solids, total suspendedmaximum weekly average≤ 1500 g/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.8 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .009 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≤ .007 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .009 mg/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 16 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 24 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 540 g/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 820 g/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/VA0075361 · MCP: https://passage-data.com/mcp