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

East Butler County Sewer District

Sewage treatment plant, Poplar Bluff, Missouri. NPDES permit MO0127159 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 10 times (last August 2026), 2 required values missing, 1 of 29 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (12 values), outfall 001 form Q quarterly (6 values), outfall INF form IM monthly (2 values), outfall INF form IQ quarterly (8 values), outfall 001 form WA yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 0 of 33 reports late

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

Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average2.84≤ 2 mg/L42%
February 2026Nitrogen, ammonia total [as N], monthly average5.67≤ 3.9 mg/L45%
April 2026Nitrogen, ammonia total [as N], monthly average13.9≤ 2.8 mg/L396%
May 2026Nitrogen, ammonia total [as N], monthly average12.9≤ 2.9 mg/L345%
June 2026Nitrogen, ammonia total [as N], daily maximum30.1≤ 14.4 mg/L109%
June 2026Nitrogen, ammonia total [as N], monthly average24.2≤ 1.7 mg/L1324%
July 2026Nitrogen, ammonia total [as N], daily maximum38.2≤ 14.4 mg/L165%
July 2026Nitrogen, ammonia total [as N], monthly average33.6≤ 1.4 mg/L2300%
August 2026Nitrogen, ammonia total [as N], daily maximum19.1≤ 12.1 mg/L58%
August 2026Nitrogen, ammonia total [as N], monthly average19.6≤ 1.2 mg/L1533%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 15 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
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 23 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LJan, Feb, Mar, Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LJun, Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LDec001
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 2.8 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LJan, Feb, Mar, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LJun, Sep001
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LDec001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJul001
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
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ .3 toxicall year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ .3 toxicall 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/MO0127159 · MCP: https://passage-data.com/mcp