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Woodstock MHP Limited PTN

Sewerage Systems, Columbia, Missouri. NPDES permit MO0082066 expired May 29, 2013; its limits still apply. Last 12 months: over a limit 9 times (last September 2026), 18 required values missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (12 values), outfall 001 form B quarterly (4 values), outfall 002 form A quarterly (12 values), outfall 002 form B quarterly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
9 values over a limit, 20 required values missing, 8 of 12 reports late

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

Period endingOutfallParameterReportedLimitOver by
March 2026002Solids, total suspended, 30-day average31≤ 30 mg/L3%
June 2026001Coliform, fecal general, 30-day average1840≤ 400 #/100mL360%
June 2026001Coliform, fecal general, daily maximum1840≤ 1000 #/100mL84%
June 2026002Coliform, fecal general, 30-day average1680≤ 400 #/100mL320%
June 2026002Coliform, fecal general, daily maximum1680≤ 1000 #/100mL68%
September 2026001Coliform, fecal general, 30-day average9100≤ 400 #/100mL2175%
September 2026001Coliform, fecal general, daily maximum9100≤ 1000 #/100mL810%
September 2026002Coliform, fecal general, 30-day average4840≤ 400 #/100mL1110%
September 2026002Coliform, fecal general, daily maximum4840≤ 1000 #/100mL384%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrade30-day averagereport only (deg C)Mar, Jun, Sep, Dec001
Temperature, water deg. centigradedaily maximumreport only (deg C)Mar, Jun, Sep, Dec001
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/LMar, Jun, Sep, Dec001
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/LMar, Jun, Sep, Dec001
pHminimum≥ 6 SUMar, Jun, Sep, Dec001
pHmaximum≤ 9 SUMar, Jun, Sep, Dec001
Solids, total suspended30-day average≤ 30 mg/LMar, Jun, Sep, Dec001
Solids, total suspended7-day average≤ 45 mg/LMar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plant30-day averagereport only (gal/d)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)Mar, Jun, Sep, Dec001
Chlorine, total residual30-day average≤ 1 mg/LMar, Jun, Sep, Dec001
Chlorine, total residual30-day average≤ 1 mg/LJun, Sep001
Chlorine, total residual30-day average≤ .01 mg/LJun, Sep001
Chlorine, total residualdaily maximum≤ 1 mg/LMar, Jun, Sep, Dec001
Chlorine, total residualdaily maximum≤ 1 mg/LJun, Sep001
Chlorine, total residualdaily maximum≤ .19 mg/LJun, Sep001
Ammonia [as N] + unionized ammonia30-day averagereport only (mg/L)Mar, Jun, Sep, Dec001
Ammonia [as N] + unionized ammoniadaily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Coliform, fecal general30-day average≤ 400 #/100mLJun, Sep001
Coliform, fecal generaldaily maximum≤ 1000 #/100mLJun, Sep001
Temperature, water deg. centigrade30-day averagereport only (deg C)Mar, Jun, Sep, Dec002
Temperature, water deg. centigradedaily maximumreport only (deg C)Mar, Jun, Sep, Dec002
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/LMar, Jun, Sep, Dec002
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/LMar, Jun, Sep, Dec002
pHminimum≥ 6 SUMar, Jun, Sep, Dec002
pHmaximum≤ 9 SUMar, Jun, Sep, Dec002
Solids, total suspended30-day average≤ 30 mg/LMar, Jun, Sep, Dec002
Solids, total suspended7-day average≤ 45 mg/LMar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plant30-day averagereport only (gal/d)Mar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)Mar, Jun, Sep, Dec002
Chlorine, total residual30-day average≤ 1 mg/LMar, Jun, Sep, Dec002
Chlorine, total residual30-day average≤ 1 mg/LJun, Sep002
Chlorine, total residual30-day average≤ .01 mg/LJun, Sep002
Chlorine, total residualmonthly average≤ .01 mg/LApr–Sep002
Chlorine, total residualdaily maximum≤ 1 mg/LMar, Jun, Sep, Dec002
Chlorine, total residualdaily maximum≤ 1 mg/LJun, Sep002
Chlorine, total residualdaily maximum≤ .19 mg/LJun, Sep002
Chlorine, total residualdaily maximum≤ .19 mg/LApr–Sep002
Ammonia [as N] + unionized ammonia30-day averagereport only (mg/L)Mar, Jun, Sep, Dec002
Ammonia [as N] + unionized ammoniadaily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Coliform, fecal general30-day average≤ 400 #/100mLJun, Sep002
Coliform, fecal generaldaily maximum≤ 1000 #/100mLJun, Sep002

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/MO0082066 · MCP: https://passage-data.com/mcp