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Southern Power Company

Electric Services, Prattville, Alabama. NPDES permit AL0074179, in force until Sep 30, 2028. 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 1 quarterly (5 values), outfall 001 form Q quarterly (8 values), outfall 01A form Q quarterly (5 values), outfall 01B form 1 quarterly (9 values), outfall 01C form Q quarterly (5 values), outfall 001 form Y yearly
Renewal application due
Apr 3, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 37 reports late

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Chromium, total [as Cr]monthly average≤ .2 mg/Lall year001
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year001
Zinc, total [as Zn]monthly average≤ 1 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ 1 mg/Lall year001
Priority Pollutantsdaily maximum≤ 0 ug/Lall 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
Annual Certification Statementdaily maximumreport only (Y=0;N=1)all year001
Quarterly Certification Statementdaily maximumreport only (Y=0;N=1)all year001
Quarterly Certification Statementdaily maximumreport only (Y=0;N=1)all year001
Chlorination durationdaily maximum≤ 120 min/dall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year01A
Solids, total suspendeddaily maximum≤ 100 mg/Lall year01A
Oil & Greasemonthly average≤ 10 mg/Lall year01A
Oil & Greasedaily maximum≤ 15 mg/Lall year01A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01A
Solids, total suspendedmonthly average≤ 30 mg/Lall year01B
Solids, total suspendeddaily maximum≤ 100 mg/Lall year01B
Oil & Greasemonthly average≤ 10 mg/Lall year01B
Oil & Greasedaily maximum≤ 15 mg/Lall year01B
Copper, total [as Cu]monthly average≤ 1 mg/Lall year01B
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year01B
Iron, total [as Fe]monthly average≤ 1 mg/Lall year01B
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year01B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01B
Solids, total suspendedmonthly average≤ 30 mg/Lall year01C
Solids, total suspendeddaily maximum≤ 100 mg/Lall year01C
Oil & Greasemonthly average≤ 10 mg/Lall year01C
Oil & Greasedaily maximum≤ 15 mg/Lall year01C
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01C

How strict are these limits?

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

Same industry: the 23 Electric Services permits in Alabama.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0074179 · MCP: https://passage-data.com/mcp