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Fredericksburg City

Sewage treatment plant, major discharger, Fredericksburg, Virginia. NPDES permit VA0025127, in force until Aug 31, 2029. Last 12 months: over a limit 6 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form M1 monthly (21 values), form Q1 quarterly (1 value), form A1 yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
March 2026Phosphorus, total [as P], monthly average2.1≤ 2 mg/L5%
March 2026pH, minimum5.8≥ 6 SU—
May 2026Nitrogen, ammonia total [as N], monthly average2.6≤ 2.4 mg/L8%
May 2026Nitrogen, ammonia total [as N], weekly average9.9≤ 3 mg/L230%
June 2026Nitrogen, ammonia total [as N], weekly average4.3≤ 3 mg/L43%
June 2026pH, minimum4.7≥ 6 SU—

Limits in force (31)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 13 mg/Lall year
Solids, total suspendedweekly average≤ 20 mg/Lall year
Solids, total suspendedmonthly average≤ 220 kg/dall year
Solids, total suspendedweekly average≤ 340 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Oil & Greasemonthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2.4 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 4.8 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 5.9 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Zinc, total recoverablemonthly average≤ 93 ug/Lall year
Zinc, total recoverableweekly average≤ 93 ug/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ 4.5 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD) (alert, not enforceable)all year
E. coligeometric mean≤ 126 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 13 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 20 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 220 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 340 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VA0025127 · MCP: https://passage-data.com/mcp