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City of Lone Jack

Sewage treatment plant, Lone Jack, Missouri. NPDES permit MO0123579 expired Jun 30, 2024; its limits still apply. Last 12 months: over a limit 15 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (10 values), outfall 001 form Q quarterly (10 values), outfall INF form IM quarterly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 0 of 20 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average59≤ 30 mg/L97%
October 2025BOD, 5-day, 20 deg. C, weekly average59≤ 45 mg/L31%
November 2025BOD, 5-day, 20 deg. C, monthly average73≤ 30 mg/L143%
November 2025BOD, 5-day, 20 deg. C, weekly average73≤ 45 mg/L62%
December 2025pH, minimum5.9≥ 6.5 SU—
January 2026BOD, 5-day, 20 deg. C, monthly average37≤ 30 mg/L23%
February 2026BOD, 5-day, 20 deg. C, monthly average63≤ 30 mg/L110%
February 2026BOD, 5-day, 20 deg. C, weekly average63≤ 45 mg/L40%
May 2026BOD, 5-day, 20 deg. C, monthly average78≤ 30 mg/L160%
May 2026BOD, 5-day, 20 deg. C, weekly average78≤ 45 mg/L73%
May 2026pH, maximum9.11≤ 9 SU—
June 2026BOD, 5-day, 20 deg. C, monthly average41≤ 30 mg/L37%
August 2026BOD, 5-day, 20 deg. C, monthly average44≤ 30 mg/L47%
September 2026BOD, 5-day, 20 deg. C, monthly average102≤ 30 mg/L240%
September 2026BOD, 5-day, 20 deg. C, weekly average102≤ 45 mg/L127%

Limits in force (32)

ParameterStatisticLimitMonthsOutfall
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≤ 110 mg/Lall year001
Solids, total suspendedmonthly average≤ 70 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 maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
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
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendeddaily maximumreport 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0123579 · MCP: https://passage-data.com/mcp