MISSISSIPPI LIGNITE MINING COMPANY

NPDES permit MS0054046 · Minor NON-POTW · effective, expires 2030-01-31 · 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)
2of 79 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (148)

OutfallParameterStatisticLimitMonths
108Specific conductanceMAXIMUM <= 1000 umho/cm all year
108Rainfall durationMO AVG report only all year
108Rainfall durationDAILY MX report only all year
108pHMINIMUM >= 6 SU all year
108pHMAXIMUM <= 9 SU all year
108Solids, total suspendedMO AVG <= 35 mg/L all year
108Solids, total suspendedDAILY MX <= 70 mg/L all year
108Iron, total recoverableMO AVG <= 3 mg/L all year
108Iron, total recoverableDAILY MX <= 6 mg/L all year
108Selenium, total recoverableMO AVG report only all year
108Selenium, total recoverableDAILY MX report only all year
108Selenium, total recoverableMO AVG report only all year
108Selenium, total recoverableDAILY MX report only all year
108Manganese, total recoverableMO AVG <= 2 mg/L all year
108Manganese, total recoverableDAILY MX <= 4 mg/L all year
108RainfallMO AVG report only all year
108RainfallDAILY MX report only all year
108Flow, in conduit or thru treatment plantMO AVG report only all year
108Flow, in conduit or thru treatment plantDAILY MX report only all year
110Specific conductanceMAXIMUM <= 1000 umho/cm all year
110Rainfall durationMO AVG report only all year
110Rainfall durationMO MAX report only all year
110pHMINIMUM >= 6 SU all year
110pHMAXIMUM <= 9 SU all year
110Solids, total suspendedMO AVG <= 35 mg/L all year
110Solids, total suspendedDAILY MX <= 70 mg/L all year
110Iron, total recoverableMO AVG <= 3 mg/L all year
110Iron, total recoverableDAILY MX <= 6 mg/L all year
110Selenium, total recoverableMO AVG report only all year
110Selenium, total recoverableDAILY MX report only all year
110Selenium, total recoverableMO AVG report only all year
110Selenium, total recoverableDAILY MX report only all year
110Manganese, total recoverableMO AVG <= 2 mg/L all year
110Manganese, total recoverableDAILY MX <= 4 mg/L all year
110RainfallMO AVG report only all year
110RainfallMO MAX report only all year
110Flow, in conduit or thru treatment plantMO AVG report only all year
110Flow, in conduit or thru treatment plantDAILY MX report only all year
111Specific conductanceMAXIMUM <= 1000 umho/cm all year
111Rainfall durationMO AVG report only all year
111Rainfall durationDAILY MX report only all year
111pHMINIMUM >= 6 SU all year
111pHMAXIMUM <= 9 SU all year
111Solids, total suspendedMO AVG <= 35 mg/L all year
111Solids, total suspendedDAILY MX <= 70 mg/L all year
111Iron, total recoverableMO AVG <= 3 mg/L all year
111Iron, total recoverableDAILY MX <= 6 mg/L all year
111Selenium, total recoverableMO AVG report only all year
111Selenium, total recoverableDAILY MX report only all year
111Selenium, total recoverableMO AVG report only all year
111Selenium, total recoverableDAILY MX report only all year
111Manganese, total recoverableMO AVG <= 2 mg/L all year
111Manganese, total recoverableDAILY MX <= 4 mg/L all year
111RainfallMO AVG report only all year
111RainfallDAILY MX report only all year
111Flow, in conduit or thru treatment plantMO AVG report only all year
111Flow, in conduit or thru treatment plantDAILY MX report only all year
113Specific conductanceMAXIMUM <= 1000 umho/cm all year
113Rainfall durationMO AVG report only all year
113Rainfall durationDAILY MX report only all year
113pHMINIMUM >= 6 SU all year
113pHMAXIMUM <= 9 SU all year
113Solids, total suspendedMO AVG <= 35 mg/L all year
113Solids, total suspendedDAILY MX <= 70 mg/L all year
113Iron, total recoverableMO AVG <= 3 mg/L all year
113Iron, total recoverableDAILY MX <= 6 mg/L all year
113Selenium, total recoverableMO AVG report only all year
113Selenium, total recoverableDAILY MX report only all year
113Selenium, total recoverableMO AVG report only all year
113Selenium, total recoverableDAILY MX report only all year
113Manganese, total recoverableMO AVG <= 2 mg/L all year
113Manganese, total recoverableDAILY MX <= 4 mg/L all year
113RainfallMO AVG report only all year
113RainfallDAILY MX report only all year
113Flow, in conduit or thru treatment plantMO AVG report only all year
113Flow, in conduit or thru treatment plantDAILY MX report only all year
116Specific conductanceMAXIMUM <= 1000 umho/cm all year
116Rainfall durationMO AVG report only all year
116Rainfall durationDAILY MX report only all year
116pHMINIMUM >= 6 SU all year
116pHMAXIMUM <= 9 SU all year
116Solids, total suspendedMO AVG <= 35 mg/L all year
116Solids, total suspendedDAILY MX <= 70 mg/L all year
116Iron, total recoverableMO AVG <= 3 mg/L all year
116Iron, total recoverableDAILY MX <= 6 mg/L all year
116Selenium, total recoverableMO AVG report only all year
116Selenium, total recoverableDAILY MX report only all year
116Selenium, total recoverableMO AVG report only all year
116Selenium, total recoverableDAILY MX report only all year
116Manganese, total recoverableMO AVG <= 2 mg/L all year
116Manganese, total recoverableDAILY MX <= 4 mg/L all year
116RainfallMO AVG report only all year
116RainfallDAILY MX report only all year
116Flow, in conduit or thru treatment plantMO AVG report only all year
116Flow, in conduit or thru treatment plantDAILY MX report only all year
117Specific conductanceMAXIMUM <= 1000 umho/cm all year
117Rainfall durationMO AVG report only all year
117Rainfall durationDAILY MX report only all year
117pHMINIMUM >= 6 SU all year
117pHMAXIMUM <= 9 SU all year
117Solids, total suspendedMO AVG <= 35 mg/L all year
117Solids, total suspendedDAILY MX <= 70 mg/L all year
117Iron, total recoverableMO AVG <= 3 mg/L all year
117Iron, total recoverableDAILY MX <= 6 mg/L all year
117Selenium, total recoverableMO AVG report only all year
117Selenium, total recoverableDAILY MX report only all year
117Selenium, total recoverableMO AVG report only all year
117Selenium, total recoverableDAILY MX report only all year
117Manganese, total recoverableMO AVG <= 2 mg/L all year
117Manganese, total recoverableDAILY MX <= 4 mg/L all year
117RainfallMO AVG report only all year
117RainfallDAILY MX report only all year
117Flow, in conduit or thru treatment plantMO AVG report only all year
117Flow, in conduit or thru treatment plantDAILY MX report only all year
213Specific conductanceMAXIMUM <= 1000 umho/cm all year
213Rainfall durationANNL AVG report only all year
213Rainfall durationANNL MAX report only all year
213pHMINIMUM >= 6 SU all year
213pHMAXIMUM <= 9 SU all year
213Solids, settleableANNL AVG report only all year
213Solids, settleableANNL MAX <= .5 mL/L all year
213RainfallANNL AVG report only all year
213RainfallANNL MAX report only all year
213Flow, in conduit or thru treatment plantANNL AVG report only all year
213Flow, in conduit or thru treatment plantANNL MAX report only all year
214Specific conductanceMAXIMUM <= 1000 umho/cm all year
214Rainfall durationANNL AVG report only all year
214Rainfall durationANNL MAX report only all year
214pHMINIMUM >= 6 SU all year
214pHMAXIMUM <= 9 SU all year
214Solids, settleableANNL AVG report only all year
214Solids, settleableANNL MAX <= .5 mL/L all year
214RainfallANNL AVG report only all year
214RainfallANNL MAX report only all year
214Flow, in conduit or thru treatment plantANNL AVG report only all year
214Flow, in conduit or thru treatment plantANNL MAX report only all year
301BOD, 5-day, 20 deg. CMO AVG report only all year
301BOD, 5-day, 20 deg. CDAILY MX report only all year
301pHMINIMUM report only all year
301pHMAXIMUM report only all year
301Solids, total suspendedMO AVG report only all year
301Solids, total suspendedDAILY MX report only all year
301Flow, in conduit or thru treatment plantMO AVG report only all year
301Flow, in conduit or thru treatment plantDAILY MX report only all year
301Chlorine, total residualMINIMUM >= .1 mg/L all year
301Chlorine, total residualMAXIMUM <= 1 mg/L all year
301E. coliMO AVG <= 126 #/100mL all year
301E. coliDAILY MX <= 410 #/100mL 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