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Town of Warsaw

Sewage treatment plant, Warsaw, North Carolina. NPDES permit NC0021903, in force until Jan 31, 2027. Last 12 months: over a limit 18 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (16 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
58 values over a limit, 25 required values missing, 0 of 12 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean214.8928 #/100mL≤ 200 #/100mL7%
October 2025Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2420 #/100mL≤ 400 #/100mL505%
October 2025Nitrogen, ammonia total [as N], 30-day average1.6785 mg/L≤ 1 mg/L68%
October 2025Nitrogen, ammonia total [as N], 7-day average3.0333 mg/L≤ 3 mg/L1%
November 2025Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean739.2314 #/100mL≤ 400 #/100mL85%
November 2025Nitrogen, ammonia total [as N], 30-day average3.35 mg/L≤ 2 mg/L68%
March 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean1144.3305 #/100mL≤ 200 #/100mL472%
March 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2420 #/100mL≤ 400 #/100mL505%
April 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean1261.5578 #/100mL≤ 200 #/100mL531%
April 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2420 #/100mL≤ 400 #/100mL505%
May 2026BOD, 5-day, 20 deg. C, 30-day average6.4 mg/L≤ 5 mg/L28%
May 2026BOD, 5-day, 20 deg. C, 7-day average8.2 mg/L≤ 7.5 mg/L9%
May 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean220.2899 #/100mL≤ 200 #/100mL10%
May 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean735.2497 #/100mL≤ 400 #/100mL84%
June 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean574.8761 #/100mL≤ 200 #/100mL187%
June 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2531.2836 #/100mL≤ 400 #/100mL533%
July 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2420 #/100mL≤ 400 #/100mL505%
August 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2779.85 #/100mL≤ 400 #/100mL595%

Limits in force (20)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 15 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 7.5 mg/LApr–Oct
BOD, 5-day, 20 deg. C30-day average≤ 10 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. C30-day average≤ 5 mg/LApr–Oct
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]7-day average≤ 6 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 3 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LApr–Oct
Coliform, fecal MF, MFC broth, 44.5 Cweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year
Flow, in conduit or thru treatment plant30-day average≤ .915 MGDall year
Chlorine, total residualdaily maximum≤ 17 ug/Lall year

How strict are these limits?

Cited limits by parameter: North Carolina'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/NC0021903 · MCP: https://passage-data.com/mcp