TVA MAGNOLIA COMBINED CYCLE

NPDES permit MS0056995 · Major FEDERAL · effective, expires 2030-04-30 · 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 37 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 MS permits in EPA's filings — check your permit).

Limits in force (35)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Temperature, summer [deg. F]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct, Nov
001Temperature, winter [deg. F]DAILY MX report only Jan, Feb, Mar, Apr, Dec
101Zinc, total recoverableMO AVG <= 1 mg/L all year
101Zinc, total recoverableDAILY MX <= 1 mg/L all year
101Zinc, total recoverableMO AVG <= 4.98 lb/d all year
101Zinc, total recoverableDAILY MX <= 4.98 lb/d all year
101Chromium, total recoverableMO AVG <= .2 mg/L all year
101Chromium, total recoverableDAILY MX <= .2 mg/L all year
101Chromium, total recoverableMO AVG <= 1 lb/d all year
101Chromium, total recoverableDAILY MX <= 1 lb/d all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, free availableMO AVG <= .2 mg/L all year
101Chlorine, free availableDAILY MX <= .5 mg/L all year
101Chlorine, free availableMO AVG <= 1 lb/d all year
101Chlorine, free availableDAILY MX <= 2.49 lb/d all year
101Chlorination durationMO AVG report only all year
101Chlorination durationDAILY MX <= 120 min all year
102Solids, total suspendedMO AVG <= 30 mg/L all year
102Solids, total suspendedDAILY MX <= 100 mg/L all year
102Solids, total suspendedMO AVG <= 21.27 lb/d all year
102Solids, total suspendedDAILY MX <= 70.89 lb/d all year
102Oil & GreaseMO AVG <= 15 mg/L all year
102Oil & GreaseDAILY MX <= 20 mg/L all year
102Oil & GreaseMO AVG <= 10.63 lb/d all year
102Oil & GreaseDAILY MX <= 14.8 lb/d all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, 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