MARSHALL UTILITY SERVICES LLC, CHICKASAW TRAIL WWTP

NPDES permit MS0060046 · Minor POTW · effective, expires 2030-12-31 · 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

40values over a limit
0required values missing, on 0 form(s)
1of 12 forms filed late

Last period with anything received: 2026-08-31. Most often over: BOD, 5-day, 20 deg. C (14), Nitrogen, ammonia total [as N] (13), Solids, total suspended (6).

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 (47)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved [DO]MAXIMUM report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 12 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 18 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 45 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 68 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 113 lb/d all year
001Solids, total suspendedMX WK AV <= 169 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L all year
001Nitrogen, ammonia total [as N]MX WK AV <= 6 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 15 lb/d all year
001Nitrogen, ammonia total [as N]MX WK AV <= 23 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .45 MGD all year
001Flow, in conduit or thru treatment plantMX WK AV report only all year
001Chlorine, total residualMO AVG <= .032 mg/L all year
001Chlorine, total residualMX WK AV <= .054 mg/L all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliMX WK AV <= 410 #/100mL all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001Sludge settleability 30 minuteMINIMUM report only all year
001Sludge settleability 30 minuteMAXIMUM 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