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City of Marquand

Sewage treatment plant, Marquand, Missouri. NPDES permit MO0116246, in force until Sep 30, 2027. Last 12 months: over a limit 30 times (last August 2026), 9 of 25 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (18 values), outfall 001 form Q quarterly (2 values), outfall INF form IM monthly (2 values)
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
36 values over a limit, 0 required values missing, 5 of 28 reports late

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

All 30 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, suspended percent removal, monthly average minimum77≥ 85 %53%
November 2025BOD, 5-day, percent removal, monthly average minimum11≥ 85 %493%
November 2025Nitrogen, ammonia total [as N], monthly average8.03≤ 3.1 mg/L159%
November 2025Solids, suspended percent removal, monthly average minimum0≥ 85 %567%
December 2025BOD, 5-day, percent removal, monthly average minimum0≥ 85 %567%
December 2025Nitrogen, ammonia total [as N], monthly average10.2≤ 3.1 mg/L229%
December 2025Solids, suspended percent removal, monthly average minimum79≥ 85 %40%
January 2026Nitrogen, ammonia total [as N], daily maximum18.6≤ 12.1 mg/L54%
January 2026Nitrogen, ammonia total [as N], monthly average18.6≤ 3.1 mg/L500%
February 2026Nitrogen, ammonia total [as N], daily maximum15.1≤ 10.1 mg/L50%
February 2026Nitrogen, ammonia total [as N], monthly average15.1≤ 2.7 mg/L459%
February 2026Solids, suspended percent removal, monthly average minimum74≥ 85 %73%
March 2026BOD, 5-day, percent removal, monthly average minimum59≥ 85 %173%
March 2026Nitrogen, ammonia total [as N], monthly average3.96≤ 3.1 mg/L28%
April 2026Nitrogen, ammonia total [as N], daily maximum13.3≤ 12.1 mg/L10%
April 2026Nitrogen, ammonia total [as N], monthly average13.3≤ 2.7 mg/L393%
May 2026BOD, 5-day, percent removal, monthly average minimum84≥ 85 %7%
May 2026E. coli, 30-day geometric mean1200≤ 126 #/100mL852%
May 2026E. coli, 7-day geometric mean1200≤ 630 #/100mL90%
May 2026Nitrogen, ammonia total [as N], daily maximum18.5≤ 12.1 mg/L53%
May 2026Nitrogen, ammonia total [as N], monthly average18.5≤ 2.2 mg/L741%
May 2026Solids, suspended percent removal, monthly average minimum83≥ 85 %13%
June 2026BOD, 5-day, percent removal, monthly average minimum67≥ 85 %120%
June 2026Nitrogen, ammonia total [as N], monthly average6.03≤ 1.7 mg/L255%
June 2026Solids, suspended percent removal, monthly average minimum83≥ 85 %13%
June 2026pH, minimum6.2≥ 6.5 SU—
July 2026BOD, 5-day, percent removal, monthly average minimum64≥ 85 %140%
July 2026Solids, suspended percent removal, monthly average minimum84≥ 85 %7%
August 2026Nitrogen, ammonia total [as N], monthly average3.54≤ 1.3 mg/L172%
August 2026Solids, suspended percent removal, monthly average minimum80≥ 85 %33%

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Apr–Oct001
Oxygen, dissolved [DO]monthly average minimumreport only (mg/L)Apr–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LFeb001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJan, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJul001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 19 ug/LApr–Oct001
Chlorine, total residualmonthly average≤ 6 ug/LApr–Oct001
E. coli7-day geometric mean≤ 630 #/100mLApr–Oct001
E. coli30-day geometric mean≤ 126 #/100mLApr–Oct001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF

How strict are these limits?

Cited limits by parameter: Missouri'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/MO0116246 · MCP: https://passage-data.com/mcp