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Vicksburg Potw

Sewage treatment plant, major discharger, Vicksburg, Mississippi. NPDES permit MS0022381, in force until Oct 31, 2027. Last 12 months: over a limit 43 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (27 values), form Q quarterly (16 values)
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
20 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 43 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, monthly average157.5 #/100mL≤ 126 #/100mL25%
October 2025E. coli, maximum weekly average441.1 #/100mL≤ 410 #/100mL8%
October 2025Oxygen, dissolved [DO], minimum5.65 mg/L≥ 6 mg/L6%
November 2025Chlorine, total residual, monthly average1.01≤ 1 mg/L1%
November 2025Solids, total suspended, maximum weekly average59.4 mg/L≤ 45 mg/L32%
December 2025Chlorine, total residual, monthly average1.13≤ 1 mg/L13%
December 2025E. coli, monthly average419.5 #/100mL≤ 126 #/100mL233%
December 2025E. coli, maximum weekly average1608.4 #/100mL≤ 410 #/100mL292%
January 2026BOD, 5-day, percent removal, minimum83.7≥ 85 %9%
January 2026Chlorine, total residual, monthly average1.18≤ 1 mg/L18%
January 2026E. coli, monthly average248.1 #/100mL≤ 126 #/100mL97%
January 2026E. coli, maximum weekly average502.6 #/100mL≤ 410 #/100mL23%
February 2026BOD, 5-day, percent removal, minimum83.6≥ 85 %9%
February 2026Chlorine, total residual, monthly average1.05≤ 1 mg/L5%
February 2026E. coli, monthly average167.6 #/100mL≤ 126 #/100mL33%
February 2026Oxygen, dissolved [DO], minimum5.97 mg/L≥ 6 mg/L1%
March 2026Chlorine, total residual, monthly average1.15≤ 1 mg/L15%
March 2026E. coli, monthly average380.1 #/100mL≤ 126 #/100mL202%
March 2026E. coli, maximum weekly average867.1 #/100mL≤ 410 #/100mL111%
April 2026Chlorine, total residual, monthly average1.15≤ 1 mg/L15%
April 2026E. coli, maximum weekly average638.7 #/100mL≤ 410 #/100mL56%
April 2026Oxygen, dissolved [DO], minimum5.61 mg/L≥ 6 mg/L7%
April 2026Solids, total suspended, monthly average44.5 mg/L≤ 30 mg/L48%
May 2026BOD, 5-day, 20 deg. C, monthly average32 mg/L≤ 30 mg/L7%
May 2026Chlorine, total residual, monthly average1.1≤ 1 mg/L10%
May 2026E. coli, maximum weekly average797.4 #/100mL≤ 410 #/100mL94%
May 2026Oxygen, dissolved [DO], minimum3.47 mg/L≥ 6 mg/L42%
May 2026Solids, total suspended, monthly average54.6 mg/L≤ 30 mg/L82%
May 2026Solids, total suspended, maximum weekly average154.8 mg/L≤ 45 mg/L244%
May 2026Solids, total suspended, maximum weekly average7848.2 lb/d≤ 3753 lb/d109%
June 2026BOD, 5-day, 20 deg. C, monthly average35 mg/L≤ 30 mg/L17%
June 2026Chlorine, total residual, monthly average1.22≤ 1 mg/L22%
June 2026E. coli, monthly average239.4 #/100mL≤ 126 #/100mL90%
June 2026E. coli, maximum weekly average698.2 #/100mL≤ 410 #/100mL70%
June 2026Oxygen, dissolved [DO], minimum3.9 mg/L≥ 6 mg/L35%
July 2026Chlorine, total residual, monthly average1.3≤ 1 mg/L30%
July 2026E. coli, monthly average318.2 #/100mL≤ 126 #/100mL153%
July 2026E. coli, maximum weekly average564 #/100mL≤ 410 #/100mL38%
July 2026Oxygen, dissolved [DO], minimum3.62 mg/L≥ 6 mg/L40%
August 2026Chlorine, total residual, monthly average1.06≤ 1 mg/L6%
August 2026E. coli, maximum weekly average464.2 #/100mL≤ 410 #/100mL13%
August 2026Oxygen, dissolved [DO], minimum4.08 mg/L≥ 6 mg/L32%
September 2026Chlorine, total residual, monthly average1.04≤ 1 mg/L4%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 2502 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 3753 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 2502 lb/dall year
Solids, total suspendedmaximum weekly average≤ 3753 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum monthly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum monthly averagereport only (lb/d)all year
Nitrogen, total [as N]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum monthly averagereport only (lb/d)all year
Phosphorus, total [as P]maximum weekly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ 10 MGDall year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ 1 mg/Lall year
Chlorine, total residualmaximum weekly averagereport only (mg/L)all year
E. colimonthly average≤ 126 #/100mLall year
E. colimaximum weekly average≤ 410 #/100mLall year
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/MS0022381 · MCP: https://passage-data.com/mcp