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Cooperative Energy, a Mississippi electric cooperative, Moselle Generating Plant

Electric Services, Moselle, Mississippi. NPDES permit MS0021997, in force until Nov 30, 2029. 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 A monthly (14 values), outfall 001 form Q quarterly (4 values), outfall 002 form A monthly (12 values), outfall 102 form A monthly (20 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 39 reports late

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 21 mg/Lall year001
Solids, total suspendeddaily maximum≤ 69 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 14 mg/Lall year001
Zinc, total recoverablequarterly average≤ .5 mg/Lall year001
Zinc, total recoverablequarterly maximum≤ 1 mg/Lall year001
Chromium, total recoverablequarterly average≤ .2 mg/Lall year001
Chromium, total recoverablequarterly maximum≤ .2 mg/Lall 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
Chlorine, free availablemonthly average≤ .2 mg/Lall year001
Chlorine, free availabledaily maximum≤ .5 mg/Lall year001
Chlorination durationmonthly averagereport only (min)all year001
Chlorination durationdaily maximum≤ 120 minall year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year002
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
Copper, total recoverablemonthly average≤ 1 mg/Lall year002
Copper, total recoverabledaily maximum≤ 1.74 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
pHminimum≥ 6 SUall year102
pHmaximum≤ 9 SUall year102
Solids, total suspendedmonthly average≤ 30 mg/Lall year102
Solids, total suspendeddaily maximum≤ 100 mg/Lall year102
Solids, total suspendedmonthly averagereport only (lb/d)all year102
Solids, total suspendeddaily maximumreport only (lb/d)all year102
Oil & Greasemonthly average≤ 15 mg/Lall year102
Oil & Greasedaily maximum≤ 20 mg/Lall year102
Oil & Greasemonthly averagereport only (lb/d)all year102
Oil & Greasedaily maximumreport only (lb/d)all year102
Iron, total recoverablemonthly average≤ 1 mg/Lall year102
Iron, total recoverabledaily maximum≤ 1 mg/Lall year102
Iron, total recoverablemonthly averagereport only (lb/d)all year102
Iron, total recoverabledaily maximumreport only (lb/d)all year102
Copper, total recoverablemonthly average≤ 1 mg/Lall year102
Copper, total recoverabledaily maximum≤ 1 mg/Lall year102
Copper, total recoverablemonthly averagereport only (lb/d)all year102
Copper, total recoverabledaily maximumreport only (lb/d)all year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102

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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Your permit document is the final word. As JSON: /api/v1/permits/MS0021997 · MCP: https://passage-data.com/mcp