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Lone Grove -East

Sewage treatment plant, Lone Grove, Oklahoma. NPDES permit OK0034266, in force until Aug 31, 2029. Last 12 months: over a limit once (last May 2026), 11 required values missing, 4 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimit
May 2026pH, minimum6.35 SU≥ 6.5 SU

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/LJan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Oxygen, dissolved [DO]minimum≥ 6 mg/LApr, May
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 56.7 lb/dJan, Feb, Mar, Nov, Dec
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 15 mg/LJun–Oct
Solids, total suspendeddaily maximum≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximum≤ 22.5 mg/LJun–Oct
Solids, total suspendedmonthly average≤ 85.1 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 42.5 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LApr, May
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LApr, May
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 14.2 lb/dApr, May
Nitrogen, ammonia total [as N]monthly average≤ 11.3 lb/dJun–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coligeometric mean≤ 126 CFU/100mLMay–Sep
E. colidaily maximum≤ 406 CFU/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LApr, May
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 22.5 mg/LApr, May
BOD, carbonaceous [5 day, 20 C]monthly average≤ 28.4 lb/dJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 42.5 lb/dApr, May

How strict are these limits?

Cited limits by parameter: Oklahoma'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/OK0034266 · MCP: https://passage-data.com/mcp