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Tennessee Valley Authority

Federal facility (Electric Services), major discharger, Athens, Alabama. NPDES permit AL0022080, in force until Oct 31, 2030. 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 monthly (13 values), outfall 001 form 2 monthly (13 values), outfall 005 form 1 monthly (5 values), outfall 01B form 1 monthly (7 values), outfall 13B form 1 monthly (8 values), outfall 13C form 1 monthly (10 values), and 9 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 83 reports late

Limits in force (98)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year001
Temperature, water deg. fahrenheit7-day average≤ 90 deg Fall year001
Temperature, water deg. fahrenheit7-day average≤ 90 deg Fall year001
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg Fall year001
Temperature, water deg. fahrenheitdaily maximum≤ 93 deg Fall year001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 8.5 SUall year001
pHdaily maximum≤ 8.5 SUall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Temp. diff. between up/down stream deg. Fdaily averagereport only (deg F)all year001
Temp. diff. between up/down stream deg. Fdaily average≤ 10 deg Fall year001
Temp. diff. between up/down stream deg. Fdaily maximumreport only (deg F)all year001
Temp. diff. between up/down stream deg. Fdaily maximumreport only (deg F)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .024 mg/Lall year001
Chlorine, total residualdaily maximum≤ .031 mg/Lall year001
Annual Certification Statementdaily maximum≤ 0 Y=0;N=1all year001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year005
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year005
pHdaily minimum≥ 6 SUall year005
pHdaily maximum≤ 8.5 SUall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
pHdaily minimumreport only (SU)all year013
pHdaily maximumreport only (SU)all year013
Solids, total suspendeddaily maximumreport only (mg/L)all year013
Oil & Greasedaily maximum≤ 15 mg/Lall year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
pHdaily minimumreport only (SU)all year017
pHdaily maximumreport only (SU)all year017
Solids, total suspendeddaily maximumreport only (mg/L)all year017
Oil & Greasedaily maximum≤ 15 mg/Lall year017
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year017
Chlorine, total residualdaily maximumreport only (mg/L)all year017
pHdaily minimumreport only (SU)all year018
pHdaily maximumreport only (SU)all year018
Solids, total suspendeddaily maximumreport only (mg/L)all year018
Oil & Greasedaily maximum≤ 15 mg/Lall year018
Toluenedaily maximum≤ 8723 ug/Lall year018
Benzenedaily maximum≤ 15.47 ug/Lall year018
Ethylbenzenedaily maximum≤ 1244 ug/Lall year018
Naphthalenedaily maximum≤ 600 ug/Lall year018
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year018
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year018
pHdaily minimumreport only (SU)all year019
pHdaily maximumreport only (SU)all year019
Solids, total suspendeddaily maximumreport only (mg/L)all year019
Oil & Greasedaily maximum≤ 15 mg/Lall year019
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year019
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year019
pHdaily minimum≥ 6 SUall year01B
pHdaily maximum≤ 9 SUall year01B
Solids, total suspendedmonthly average≤ 30 mg/Lall year01B
Solids, total suspendeddaily maximum≤ 100 mg/Lall year01B
Oil & Greasemonthly average≤ 15 mg/Lall year01B
Oil & Greasedaily maximum≤ 20 mg/Lall year01B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01B
pHdaily minimumreport only (SU)all year024
pHdaily maximumreport only (SU)all year024
Solids, total suspendeddaily maximumreport only (mg/L)all year024
Oil & Greasedaily maximum≤ 15 mg/Lall year024
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year024
pHdaily minimumreport only (SU)all year13A
pHdaily maximumreport only (SU)all year13A
Solids, total suspendeddaily maximumreport only (mg/L)all year13A
Oil & Greasedaily maximum≤ 15 mg/Lall year13A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year13A
pHdaily minimum≥ 6 SUall year13B
pHdaily maximum≤ 9 SUall year13B
Solids, total suspendedmonthly average≤ 30 mg/Lall year13B
Solids, total suspendeddaily maximum≤ 100 mg/Lall year13B
Oil & Greasemonthly average≤ 15 mg/Lall year13B
Oil & Greasedaily maximum≤ 20 mg/Lall year13B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year13B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year13B
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year13C
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year13C
pHdaily minimum≥ 6 SUall year13C
pHdaily maximum≤ 9 SUall year13C
Solids, total suspendedmonthly average≤ 90 mg/Lall year13C
Solids, total suspendeddaily maximum≤ 135 mg/Lall year13C
Phosphorus, total [as P]monthly averagereport only (mg/L)all year13C
Phosphorus, total [as P]daily maximumreport only (mg/L)all year13C
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year13C
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year13C

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/AL0022080 · MCP: https://passage-data.com/mcp