GREAT RIVER UTILITY OPERATING COMPANY LLC, 1ST ADDITION

NPDES permit MS0051080 · Minor NON-POTW · effective, expires 2028-05-31 · 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)
0of 1 forms filed late

Last period with anything received: 2025-12-31.

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 (20)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 25 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 37.5 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 21 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 32 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMX MO AV <= 60 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedMX MO AV <= 51 lb/d all year
001Solids, total suspendedDAILY MX <= 51 lb/d all year
001Nitrogen, ammonia total [as N]MX MO AV <= 2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 3 mg/L all year
001Nitrogen, ammonia total [as N]MX MO AV <= 1.7 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 2.5 lb/d all year
001Flow, in conduit or thru treatment plantMX MO AV <= .1022 MGD all year
001Chlorine, total residualMX MO AV <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001E. coliMX MO AV <= 126 #/100mL all year
001E. 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