Tennessee Valley Authority

NPDES permit AL0022080 · Major FEDERAL · effective, expires 2030-10-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 79 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

Limits in force (98)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV report only all year
001Temperature, water deg. fahrenheitDAILY AV report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY AV report only all year
001Temperature, water deg. fahrenheitDAILY AV report only all year
001Temperature, water deg. fahrenheit7 DA AVG <= 90 deg F all year
001Temperature, water deg. fahrenheit7 DA AVG <= 90 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 93 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 93 deg F all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 8.5 SU all year
001pHDAILY MX <= 8.5 SU all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Temp. diff. between up/down stream deg. FDAILY AV report only all year
001Temp. diff. between up/down stream deg. FDAILY AV <= 10 deg F all year
001Temp. diff. between up/down stream deg. FDAILY MX report only all year
001Temp. diff. between up/down stream deg. FDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .024 mg/L all year
001Chlorine, total residualDAILY MX <= .031 mg/L all year
001Annual Certification StatementDAILY MX <= 0 Y=0;N=1 all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
005Temperature, water deg. fahrenheitMO AVG report only all year
005Temperature, water deg. fahrenheitDAILY MX report only all year
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 8.5 SU all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
013pHDAILY MN report only all year
013pHDAILY MX report only all year
013Solids, total suspendedDAILY MX report only all year
013Oil & GreaseDAILY MX <= 15 mg/L all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
017pHDAILY MN report only all year
017pHDAILY MX report only all year
017Solids, total suspendedDAILY MX report only all year
017Oil & GreaseDAILY MX <= 15 mg/L all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
017Chlorine, total residualDAILY MX report only all year
018pHDAILY MN report only all year
018pHDAILY MX report only all year
018Solids, total suspendedDAILY MX report only all year
018Oil & GreaseDAILY MX <= 15 mg/L all year
018TolueneDAILY MX <= 8723 ug/L all year
018BenzeneDAILY MX <= 15.47 ug/L all year
018EthylbenzeneDAILY MX <= 1244 ug/L all year
018NaphthaleneDAILY MX <= 600 ug/L all year
018Flow, in conduit or thru treatment plantDAILY MX report only all year
018Xylene [mix of m+o+p]DAILY MX report only all year
019pHDAILY MN report only all year
019pHDAILY MX report only all year
019Solids, total suspendedDAILY MX report only all year
019Oil & GreaseDAILY MX <= 15 mg/L all year
019Flow, in conduit or thru treatment plantDAILY MX report only all year
019Chemical Oxygen Demand [COD]DAILY MX report only all year
01BpHDAILY MN >= 6 SU all year
01BpHDAILY MX <= 9 SU all year
01BSolids, total suspendedMO AVG <= 30 mg/L all year
01BSolids, total suspendedDAILY MX <= 100 mg/L all year
01BOil & GreaseMO AVG <= 15 mg/L all year
01BOil & GreaseDAILY MX <= 20 mg/L all year
01BFlow, in conduit or thru treatment plantDAILY MX report only all year
024pHDAILY MN report only all year
024pHDAILY MX report only all year
024Solids, total suspendedDAILY MX report only all year
024Oil & GreaseDAILY MX <= 15 mg/L all year
024Flow, in conduit or thru treatment plantDAILY MX report only all year
13ApHDAILY MN report only all year
13ApHDAILY MX report only all year
13ASolids, total suspendedDAILY MX report only all year
13AOil & GreaseDAILY MX <= 15 mg/L all year
13AFlow, in conduit or thru treatment plantDAILY MX report only all year
13BpHDAILY MN >= 6 SU all year
13BpHDAILY MX <= 9 SU all year
13BSolids, total suspendedMO AVG <= 30 mg/L all year
13BSolids, total suspendedDAILY MX <= 100 mg/L all year
13BOil & GreaseMO AVG <= 15 mg/L all year
13BOil & GreaseDAILY MX <= 20 mg/L all year
13BFlow, in conduit or thru treatment plantMO AVG report only all year
13BFlow, in conduit or thru treatment plantDAILY MX report only all year
13CBOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
13CBOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
13CpHDAILY MN >= 6 SU all year
13CpHDAILY MX <= 9 SU all year
13CSolids, total suspendedMO AVG <= 90 mg/L all year
13CSolids, total suspendedDAILY MX <= 135 mg/L all year
13CPhosphorus, total [as P]MO AVG report only all year
13CPhosphorus, total [as P]DAILY MX report only all year
13CFlow, in conduit or thru treatment plantMO AVG report only all year
13CFlow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states