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Choctaw Generation Limited Partnership Red Hills Generation Facility

Electric Services, Ackerman, Mississippi. NPDES permit MS0053881 expired Jul 31, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (6 values), outfall 002 form A monthly (14 values), outfall 301 form A monthly (10 values), outfall 302 form A monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedquarterly averagereport only (mg/L)all year001
Solids, total suspendedquarterly maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantquarterly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 100 mg/Lall year002
Oil & Greasemonthly average≤ 15 mg/Lall year002
Oil & Greasedaily maximum≤ 20 mg/Lall year002
Chloride [as Cl]monthly average≤ 230 mg/Lall year002
Chloride [as Cl]daily maximum≤ 860 mg/Lall year002
Selenium, total recoverablemonthly average≤ .0046 mg/Lall year002
Selenium, total recoverabledaily maximum≤ .0118 mg/Lall year002
Chromium, total recoverablemonthly average≤ .042 mg/Lall year002
Chromium, total recoverabledaily maximum≤ .311 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Specific conductancemonthly averagereport only (umho/cm)all year301
Specific conductancedaily maximumreport only (umho/cm)all year301
pHminimum≥ 6 SUall year301
pHmaximum≤ 9 SUall year301
Chloridemonthly averagereport only (mg/L)all year301
Chloridedaily maximumreport only (mg/L)all year301
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year301
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year301
Solids, total dissolvedmonthly averagereport only (mg/L)all year301
Solids, total dissolveddaily maximumreport only (mg/L)all year301
Specific conductancemonthly averagereport only (umho/cm)all year302
Specific conductancedaily maximumreport only (umho/cm)all year302
Chloride [as Cl]monthly averagereport only (mg/L)all year302
Chloride [as Cl]daily maximumreport only (mg/L)all year302
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year302
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year302
Solids, total dissolvedmonthly averagereport only (mg/L)all year302
Solids, total dissolveddaily maximumreport only (mg/L)all year302

How strict are these limits?

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

Same industry: the 20 Electric Services permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0053881 · MCP: https://passage-data.com/mcp