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Western Farmers Electric Co-Anadarko

Electric Services, major discharger, Anadarko, Oklahoma. NPDES permit OK0000639, in force until Jun 30, 2028. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (14 values), outfall TX1 form Q quarterly (8 values), outfall 001 form Y yearly
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, total suspended, daily maximum53.3 mg/L≤ 52.7 mg/L1%
May 2026Solids, total suspended, monthly average39.37 mg/L≤ 24.6 mg/L60%
June 2026Solids, total suspended, daily maximum60 mg/L≤ 52.7 mg/L14%
June 2026Solids, total suspended, monthly average39.43 mg/L≤ 24.6 mg/L60%

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximum≤ 52 deg Call year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 24.6 mg/Lall year001
Solids, total suspendeddaily maximum≤ 52.7 mg/Lall year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendeddaily maximum≤ 497 lb/dall year001
Oil and grease, hexane extr methodmonthly average≤ 6.9 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 8.7 mg/Lall year001
Oil and grease, hexane extr methodmonthly averagereport only (lb/d)all year001
Oil and grease, hexane extr methoddaily maximumreport only (lb/d)all year001
Oxidants, total residualinstantaneous maximum≤ .099 mg/Lall year001
Oxidants, free availablemonthly average≤ .2 mg/Lall year001
Oxidants, free availabledaily maximum≤ .5 mg/Lall year001
Oxidants, free availablemonthly average≤ 2 lb/dall year001
Oxidants, free availabledaily maximum≤ 5 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
LC50 Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
LC50 Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex48-hour minimumreport only (pass=0;fail=1)all yearTX1
LC50 Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
%Mortality Static Renewal 48Hr Acute Daphnia Pulex48-hour minimumreport only (%)all yearTX1
% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C48-hour minimumreport only (%)all yearTX1

How strict are these limits?

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

Same industry: the 25 Electric Services permits in Oklahoma.

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/OK0000639 · MCP: https://passage-data.com/mcp