Passage Data · Check a report · Use it from your AI

Laclede County PWSD #3

Sewage treatment plant, Lebanon, Missouri. NPDES permit MO0130427 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 20 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (14 values), outfall 001 form Q quarterly (6 values), outfall INF form IM monthly (2 values), outfall INF form IQ quarterly (8 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 0 of 32 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average4.33≤ 2.9 mg/L49%
November 2025Nitrogen, ammonia total [as N], daily maximum26.4≤ 8 mg/L230%
November 2025Nitrogen, ammonia total [as N], monthly average26.4≤ 2.9 mg/L810%
December 2025BOD, 5-day, 20 deg. C, monthly average14≤ 10 mg/L40%
December 2025E. coli, daily maximum> 2420≤ 126 #/100mL—
December 2025Nitrogen, ammonia total [as N], daily maximum14≤ 8 mg/L75%
December 2025Nitrogen, ammonia total [as N], monthly average14≤ 2.9 mg/L383%
December 2025Solids, suspended percent removal, monthly average minimum77.8≥ 85 %48%
January 2026Nitrogen, ammonia total [as N], daily maximum10.2≤ 8 mg/L28%
January 2026Nitrogen, ammonia total [as N], monthly average10.2≤ 2.9 mg/L252%
February 2026Nitrogen, ammonia total [as N], daily maximum15.3≤ 8 mg/L91%
February 2026Nitrogen, ammonia total [as N], monthly average15.3≤ 2.9 mg/L428%
March 2026Nitrogen, ammonia total [as N], monthly average7.24≤ 2.9 mg/L150%
April 2026Nitrogen, ammonia total [as N], monthly average< 5.37≤ 1.3 mg/L313%
May 2026Nitrogen, ammonia total [as N], daily maximum6.68≤ 5.4 mg/L24%
May 2026Nitrogen, ammonia total [as N], monthly average6.68≤ 1.3 mg/L414%
June 2026Nitrogen, ammonia total [as N], monthly average3.95≤ 1.3 mg/L204%
July 2026Nitrogen, ammonia total [as N], monthly average2.63≤ 1.3 mg/L102%
August 2026E. coli, daily maximum> 2420≤ 126 #/100mL—
August 2026Nitrogen, ammonia total [as N], monthly average2.79≤ 1.3 mg/L115%

Limits in force (32)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 20 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 5.4 mg/LApr–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LJan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LApr–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LJan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. colidaily maximum≤ 126 #/100mLall year001
E. coli30-day geometric meanreport only (#/100mL)all year001
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
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearINF
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearINF
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all yearINF
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearINF
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all yearINF
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearINF
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearINF
Phosphorus, total [as P]monthly 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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0130427 · MCP: https://passage-data.com/mcp