Tennessee Valley Authority

NPDES permit AL0024635 · Minor FEDERAL · effective, expires 2031-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
0of 99 forms filed late

Last period with anything received: 2026-06-30.

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 (44)

OutfallParameterStatisticLimitMonths
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 8.5 SU all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003Temperature, water deg. fahrenheitMO AVG <= 92 deg F all year
003Temperature, water deg. fahrenheitDAILY MX <= 95 deg F all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualMO AVG report only all year
003Chlorine, total residualDAILY MX <= .2 mg/L all year
004pHDAILY MN >= 6 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG <= 60 mg/L all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Oil & GreaseMO AVG <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 20 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
03CpHDAILY MN >= 6 SU all year
03CpHDAILY MX <= 9 SU all year
03CSolids, total suspendedMO AVG <= 30 mg/L all year
03CSolids, total suspendedDAILY MX <= 100 mg/L all year
03COil & GreaseMO AVG <= 15 mg/L all year
03COil & GreaseDAILY MX <= 20 mg/L all year
03CFlow, in conduit or thru treatment plantMO AVG report only all year
03CFlow, in conduit or thru treatment plantDAILY MX report only all year
03GpHDAILY MN >= 6 SU all year
03GpHDAILY MX <= 9 SU all year
03GSolids, total suspendedMO AVG <= 30 mg/L all year
03GSolids, total suspendedDAILY MX <= 100 mg/L all year
03GOil & GreaseMO AVG <= 15 mg/L all year
03GOil & GreaseDAILY MX <= 20 mg/L all year
03GFlow, in conduit or thru treatment plantMO AVG report only all year
03GFlow, 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