Catfish Processors LLC

NPDES permit MS0048551 · Minor NON-POTW · effective, expires 2030-09-30 · 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

9values over a limit
86required values missing, on 2 form(s)
6of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (4), E. coli (3), Flow, in conduit or thru treatment plant (2).

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 (49)

OutfallParameterStatisticLimitMonths
001Total production - massMO AVG report only all year
001Total production - massDAILY MX report only all year
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 90 mg/L all year
001Solids, total suspendedDAILY MX <= 135 mg/L all year
001Solids, total suspendedMO AVG <= 210 lb/d all year
001Solids, total suspendedDAILY MX <= 315 lb/d all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseMO AVG <= 23 lb/d all year
001Oil & GreaseDAILY MX <= 35 lb/d all year
001Nitrogen, total [as N]MO AVG <= 110 mg/L all year
001Nitrogen, total [as N]DAILY MX <= 165 mg/L all year
001Nitrogen, total [as N]MO AVG <= 257 lb/d all year
001Nitrogen, total [as N]DAILY MX <= 385 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 6 mg/L all year
001Phosphorus, total [as P]MO AVG <= 60 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 9 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 90 mg/L all year
001Phosphorus, total [as P]MO AVG <= 14 lb/d all year
001Phosphorus, total [as P]MO AVG <= 73.1 lb/d all year
001Phosphorus, total [as P]DAILY MX <= 21 lb/d all year
001Phosphorus, total [as P]DAILY MX <= 109.6 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG <= .28 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .42 MGD all year
001Chlorine, total residualMO AVG <= 1 mg/L all year
001Chlorine, total residualDAILY MX <= 1.75 mg/L all year
001Chlorine, total residualMO AVG <= 2.3 lb/d all year
001Chlorine, total residualDAILY MX <= 4 lb/d all year
001E. coliGEO MEAN <= 126 #/100mL all year
001E. coliDAILY MX <= 410 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 60 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 90 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 140 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 210 lb/d 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