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Wytheville Town

Sewage treatment plant, major discharger, Wytheville, Virginia. NPDES permit VA0020281, in force until Apr 30, 2029. Last 12 months: over a limit 46 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 10 days after each period: form O monthly (19 values), form Q1 quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
42 values over a limit, 0 required values missing, 1 of 16 reports late

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

All 46 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average29.6≤ 24 mg/L23%
October 2025BOD, 5-day, 20 deg. C, weekly average37.9≤ 36 mg/L5%
October 2025Nitrogen, ammonia total [as N], weekly average8.27≤ 6.7 mg/L23%
October 2025Solids, suspended percent removal, monthly average minimum81.6≥ 85 %23%
October 2025Solids, total suspended, monthly average31.8≤ 24 mg/L33%
November 2025BOD, 5-day, 20 deg. C, monthly average49.2≤ 24 mg/L105%
November 2025BOD, 5-day, 20 deg. C, weekly average58.2≤ 36 mg/L62%
November 2025Nitrogen, ammonia total [as N], weekly average9≤ 6.7 mg/L34%
November 2025Solids, total suspended, monthly average51.7≤ 24 mg/L115%
November 2025Solids, total suspended, weekly average78.2≤ 36 mg/L117%
December 2025BOD, 5-day, 20 deg. C, monthly average455.3≤ 360 kg/d26%
December 2025BOD, 5-day, 20 deg. C, monthly average73.4≤ 24 mg/L206%
December 2025BOD, 5-day, 20 deg. C, weekly average105.8≤ 36 mg/L194%
December 2025BOD, 5-day, 20 deg. C, weekly average682.9≤ 540 kg/d26%
December 2025Chlorine, total residual, instantaneous minimum.09≥ .6 mg/L85%
December 2025Nitrogen, ammonia total [as N], monthly average9.31≤ 5.4 mg/L72%
December 2025Nitrogen, ammonia total [as N], weekly average19.6≤ 6.7 mg/L193%
December 2025Solids, total suspended, monthly average51.4≤ 24 mg/L114%
December 2025Solids, total suspended, weekly average68.4≤ 36 mg/L90%
January 2026BOD, 5-day, 20 deg. C, monthly average386.3≤ 360 kg/d7%
January 2026BOD, 5-day, 20 deg. C, monthly average65.7≤ 24 mg/L174%
January 2026BOD, 5-day, 20 deg. C, weekly average73.1≤ 36 mg/L103%
January 2026BOD, percent removal [total], monthly average minimum83.7≥ 85 %9%
January 2026Nitrogen, ammonia total [as N], weekly average14≤ 11 mg/L27%
January 2026Solids, suspended percent removal, monthly average minimum72≥ 85 %87%
January 2026Solids, total suspended, monthly average41.7≤ 24 mg/L74%
January 2026Solids, total suspended, weekly average56.8≤ 36 mg/L58%
February 2026BOD, 5-day, 20 deg. C, monthly average578.2≤ 360 kg/d61%
February 2026BOD, 5-day, 20 deg. C, monthly average74.1≤ 24 mg/L209%
February 2026BOD, 5-day, 20 deg. C, weekly average1289.4≤ 540 kg/d139%
February 2026BOD, 5-day, 20 deg. C, weekly average160≤ 36 mg/L344%
February 2026Chlorine, total residual, instantaneous minimum.53≥ .6 mg/L12%
February 2026Nitrogen, ammonia total [as N], monthly average10.72≤ 9.2 mg/L17%
February 2026Nitrogen, ammonia total [as N], weekly average21.1≤ 11 mg/L92%
February 2026Solids, total suspended, monthly average104.6≤ 24 mg/L336%
February 2026Solids, total suspended, monthly average854.6≤ 360 kg/d137%
February 2026Solids, total suspended, weekly average2785.2≤ 540 kg/d416%
February 2026Solids, total suspended, weekly average333.8≤ 36 mg/L827%
March 2026BOD, 5-day, 20 deg. C, monthly average41.1≤ 24 mg/L71%
March 2026BOD, 5-day, 20 deg. C, weekly average57.9≤ 36 mg/L61%
March 2026Chlorine, total residual, instantaneous minimum.16≥ .6 mg/L73%
March 2026Solids, total suspended, monthly average30.6≤ 24 mg/L28%
March 2026Solids, total suspended, weekly average42.1≤ 36 mg/L17%
June 2026Nitrogen, ammonia total [as N], weekly average8.27≤ 6.7 mg/L23%
July 2026Nitrogen, ammonia total [as N], weekly average8.24≤ 6.7 mg/L23%
August 2026Nitrogen, ammonia total [as N], weekly average9.8≤ 6.7 mg/L46%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6.2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 24 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 36 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 360 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 540 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≤ 24 mg/Lall year
Solids, total suspendedweekly average≤ 36 mg/Lall year
Solids, total suspendedmonthly average≤ 360 kg/dall year
Solids, total suspendedweekly average≤ 540 kg/dall year
Solids, total suspendedmonthly average≤ 625 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5.4 mg/LJun–Dec
Nitrogen, ammonia total [as N]monthly average≤ 9.2 mg/LJan–May
Nitrogen, ammonia total [as N]weekly average≤ 6.7 mg/LJun–Dec
Nitrogen, ammonia total [as N]weekly average≤ 11 mg/LJan–May
Flow, in conduit or thru treatment plantmonthly average≤ 4 MGD (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD) (alert, not enforceable)all year
Chlorine, total residualmonthly average≤ .03 mg/Lall year
Chlorine, total residualweekly average≤ .04 mg/Lall year
Chlorine, total residualinstantaneous minimum≥ .6 mg/Lall 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

How strict are these limits?

Cited limits by parameter: Virginia's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/VA0020281 · MCP: https://passage-data.com/mcp