OMEGA PROTEIN, INC

NPDES permit MS0002950 · Minor NON-POTW · expired, expires 2026-03-31 · 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.

This permit expired on 2026-03-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

2values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (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 (40)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMAXIMUM <= 90 deg F all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitMAXIMUM report only all year
001Total production - massMO AVG report only all year
001Total production - massDAILY MX report only all year
001Oxygen, dissolved [DO]MINIMUM >= 3 mg/L all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 1401 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 2102 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 832 lb/d all year
001Solids, total suspendedDAILY MX <= 1665 lb/d all year
001Oil & GreaseMO AVG report only all year
001Oil & GreaseDAILY MX report only all year
001Oil & GreaseMO AVG <= 421 lb/d all year
001Oil & GreaseDAILY MX <= 776 lb/d all year
001Nitrogen, total [as N]ANNL AVG report only all year
001Nitrogen, total [as N]ANNL MAX report only all year
001Nitrogen, total [as N]ANNL AVG report only all year
001Nitrogen, total [as N]ANNL MAX 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, ammonia total [as N]MO AVG <= 282 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 564 lb/d all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Phosphorus, total [as P]ANNL MAX report only all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Phosphorus, total [as P]ANNL MAX 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
001Temp. difference, summer [deg. F]MAXIMUM <= 1.5 deg F all year
001Temp. difference, winter [deg. F]MAXIMUM <= 4 deg F 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