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Harrisonburg-Rockingham Regional Sewer Authority

Sewage treatment plant, major discharger, Mount Crawford, Virginia. NPDES permit VA0060640, in force until Sep 30, 2027. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (22 values), form Q1 quarterly (1 value), form A1 yearly
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 17 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], maximum weekly average2.1≤ 1.8 mg/L17%

Limits in force (35)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 6.5 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9.5 SUall year
Solids, total suspendedmonthly average≤ 27 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 40 mg/Lall year
Solids, total suspendedmonthly average≤ 2300 kg/dall year
Solids, total suspendedmaximum weekly average≤ 3500 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LJan–May
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJun–Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 4.2 mg/LJan–May
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.8 mg/LJun–Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 4.8 mg/LJun–Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 7.1 mg/LJan–May
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 7.2 mg/LJun–Dec
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 11 mg/LJan–May
Nitrogen, Kjeldahl, total [as N]monthly average≤ 420 kg/dJun–Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 620 kg/dJan–May
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 630 kg/dJun–Dec
Nitrogen, Kjeldahl, total [as N]maximum weekly average≤ 960 kg/dJan–May
Flow, in conduit or thru treatment plantmonthly average≤ 23 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≤ .011 mg/Lall year
Chlorine, total residualmaximum weekly average≤ .011 mg/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
Nitrogen, Total As Nannual average≤ 3.7 mg/Lall year
Phosphorus, Total As Pannual average≤ .28 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 610 kg/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 870 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/VA0060640 · MCP: https://passage-data.com/mcp