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Cooper Consolidated LLC - Darrow Maintenance Shop

Repair Services, Darrow, Louisiana. NPDES permit LA0104744, in force until Aug 31, 2031. Last 12 months: over a limit 3 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 003 form Q quarterly, outfall 004 form Q quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 8 reports late

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

Period endingParameterReportedLimitOver by
March 2026Coliform, fecal general, daily maximum600 #/100mL≤ 400 #/100mL50%
March 2026Coliform, fecal general, monthly geometric mean310 #/100mL≤ 200 #/100mL55%
March 2026Solids, total suspended, daily maximum49 mg/L≤ 45 mg/L9%

Limits in force (17)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximum≤ 125 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 8.5 SUall year003
Solids, total suspendeddaily maximum≤ 45 mg/Lall year003
Oil and greasedaily maximum≤ 15 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year003
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year004
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year004
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendedmonthly average≤ 30 mg/Lall year004
Solids, total suspendeddaily maximum≤ 45 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year004
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year004
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year004

How strict are these limits?

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

Same industry: the 4 Miscellaneous Repair Services permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0104744 · MCP: https://passage-data.com/mcp