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Tennessee Valley Authority

Federal facility (Electric Services), Stevenson, Alabama. NPDES permit AL0003875, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 007 form 1 monthly (22 values), outfall 001 form S twice a year, outfall 005 form S twice a year, outfall 006 form S twice a year, outfall 013 form S twice a year, outfall 023 form S twice a year, and 5 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 32 reports late

Limits in force (159)

ParameterStatisticLimitMonthsOutfall
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Antimony, total [as Sb]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total [as Hg]daily maximumreport only (ug/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
pHdaily minimumreport only (SU)all year005
pHdaily maximumreport only (SU)all year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Arsenic, total [as As]daily maximumreport only (mg/L)all year005
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year005
Chromium, total [as Cr]daily maximumreport only (mg/L)all year005
Copper, total [as Cu]daily maximumreport only (mg/L)all year005
Lead, total [as Pb]daily maximumreport only (mg/L)all year005
Nickel, total [as Ni]daily maximumreport only (mg/L)all year005
Antimony, total [as Sb]daily maximumreport only (mg/L)all year005
Selenium, total [as Se]daily maximumreport only (mg/L)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Mercury, total [as Hg]daily maximumreport only (ug/L)all year005
Iron, total [as Fe]daily maximumreport only (mg/L)all year005
pHdaily minimumreport only (SU)all year006
pHdaily maximumreport only (SU)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Arsenic, total [as As]daily maximumreport only (mg/L)all year006
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year006
Chromium, total [as Cr]daily maximumreport only (mg/L)all year006
Copper, total [as Cu]daily maximumreport only (mg/L)all year006
Lead, total [as Pb]daily maximumreport only (mg/L)all year006
Nickel, total [as Ni]daily maximumreport only (mg/L)all year006
Antimony, total [as Sb]daily maximumreport only (mg/L)all year006
Selenium, total [as Se]daily maximumreport only (mg/L)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Mercury, total [as Hg]daily maximumreport only (ug/L)all year006
Iron, total [as Fe]daily maximumreport only (mg/L)all year006
pHdaily minimum≥ 6 SUall year007
pHdaily maximum≤ 8.5 SUall year007
Solids, total suspendedmonthly average≤ 22 mg/Lall year007
Solids, total suspendeddaily maximum≤ 77 mg/Lall year007
Oil & Greasemonthly average≤ 9 mg/Lall year007
Oil & Greasedaily maximum≤ 12 mg/Lall year007
Nitrogen, total [as N]daily maximumreport only (mg/L)all year007
Phosphorus, total [as P]daily maximumreport only (mg/L)all year007
Arsenic, total [as As]daily maximumreport only (mg/L)all year007
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year007
Chromium, total [as Cr]daily maximumreport only (mg/L)all year007
Copper, total [as Cu]daily maximumreport only (mg/L)all year007
Lead, total [as Pb]daily maximumreport only (mg/L)all year007
Nickel, total [as Ni]daily maximumreport only (mg/L)all year007
Zinc, total [as Zn]daily maximumreport only (mg/L)all year007
Antimony, total [as Sb]daily maximumreport only (mg/L)all year007
Selenium, total [as Se]daily maximumreport only (mg/L)all year007
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)all year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Mercury, total [as Hg]daily maximumreport only (ug/L)all year007
Iron, total [as Fe]daily maximumreport only (mg/L)all year007
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
Arsenic, total [as As]daily maximumreport only (mg/L)all year013
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year013
Chromium, total [as Cr]daily maximumreport only (mg/L)all year013
Copper, total [as Cu]daily maximumreport only (mg/L)all year013
Lead, total [as Pb]daily maximumreport only (mg/L)all year013
Nickel, total [as Ni]daily maximumreport only (mg/L)all year013
Zinc, total [as Zn]daily maximumreport only (mg/L)all year013
Antimony, total [as Sb]daily maximumreport only (mg/L)all year013
Selenium, total [as Se]daily maximumreport only (mg/L)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Mercury, total [as Hg]daily maximumreport only (ug/L)all year013
Iron, total [as Fe]daily maximumreport only (mg/L)all year013
pHdaily minimumreport only (SU)all year023
pHdaily maximumreport only (SU)all year023
Solids, total suspendeddaily maximumreport only (mg/L)all year023
Oil & Greasedaily maximum≤ 15 mg/Lall year023
Arsenic, total [as As]daily maximumreport only (mg/L)all year023
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year023
Chromium, total [as Cr]daily maximumreport only (mg/L)all year023
Copper, total [as Cu]daily maximumreport only (mg/L)all year023
Lead, total [as Pb]daily maximumreport only (mg/L)all year023
Nickel, total [as Ni]daily maximumreport only (mg/L)all year023
Zinc, total [as Zn]daily maximumreport only (mg/L)all year023
Antimony, total [as Sb]daily maximumreport only (mg/L)all year023
Selenium, total [as Se]daily maximumreport only (mg/L)all year023
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year023
Mercury, total [as Hg]daily maximumreport only (ug/L)all year023
Iron, total [as Fe]daily maximumreport only (mg/L)all year023
pHdaily minimumreport only (SU)all year030
pHdaily maximumreport only (SU)all year030
Solids, total suspendeddaily maximumreport only (mg/L)all year030
Oil & Greasedaily maximum≤ 15 mg/Lall year030
Arsenic, total [as As]daily maximumreport only (mg/L)all year030
Beryllium, total [as Be]daily maximumreport only (mg/L)all year030
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year030
Chromium, total [as Cr]daily maximumreport only (mg/L)all year030
Copper, total [as Cu]daily maximumreport only (mg/L)all year030
Lead, total [as Pb]daily maximumreport only (mg/L)all year030
Nickel, total [as Ni]daily maximumreport only (mg/L)all year030
Antimony, total [as Sb]daily maximumreport only (mg/L)all year030
Selenium, total [as Se]daily maximumreport only (mg/L)all year030
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year030
Mercury, total [as Hg]daily maximumreport only (ug/L)all year030
Iron, total [as Fe]daily maximumreport only (mg/L)all year030
pHdaily minimumreport only (SU)all year034
pHdaily maximumreport only (SU)all year034
Solids, total suspendeddaily maximumreport only (mg/L)all year034
Oil & Greasedaily maximum≤ 15 mg/Lall year034
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year034
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year034
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year034
Phosphorus, total [as P]daily maximumreport only (mg/L)all year034
Arsenic, total [as As]daily maximumreport only (mg/L)all year034
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year034
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year034
pHdaily minimumreport only (SU)all year035
pHdaily maximumreport only (SU)all year035
Solids, total suspendeddaily maximumreport only (mg/L)all year035
Oil & Greasedaily maximum≤ 15 mg/Lall year035
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year035
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year035
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year035
Phosphorus, total [as P]daily maximumreport only (mg/L)all year035
Arsenic, total [as As]daily maximumreport only (mg/L)all year035
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year035
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year035
pHdaily minimumreport only (SU)all year036
pHdaily maximumreport only (SU)all year036
Solids, total suspendeddaily maximumreport only (mg/L)all year036
Oil & Greasedaily maximum≤ 15 mg/Lall year036
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year036
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year036
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year036
Phosphorus, total [as P]daily maximumreport only (mg/L)all year036
Arsenic, total [as As]daily maximumreport only (mg/L)all year036
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year036
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year036
pHdaily minimumreport only (SU)all year037
pHdaily maximumreport only (SU)all year037
Solids, total suspendeddaily maximumreport only (mg/L)all year037
Oil & Greasedaily maximum≤ 15 mg/Lall year037
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year037
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year037
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year037
Phosphorus, total [as P]daily maximumreport only (mg/L)all year037
Arsenic, total [as As]daily maximumreport only (mg/L)all year037
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year037
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year037

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/AL0003875 · MCP: https://passage-data.com/mcp