DESOTO COUNTY REGIONAL UTILITY AUTHORITY, METRO DESOTO WWTP

NPDES permit MS0028479 · Minor POTW · effective, expires 2029-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

56values over a limit
0required values missing, on 0 form(s)
1of 16 forms filed late

Last period with anything received: 2026-08-31. Most often over: Nitrogen, ammonia total [as N] (28), Cadmium, total recoverable (13), BOD, 5-day, 20 deg. C (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 (97)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved [DO]MINIMUM report only all year
001Oxygen, dissolved [DO]MAXIMUM report only all year
001Oxygen, dissolved [DO]MAXIMUM report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 10 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 16 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 15 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 24 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 45 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 133 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 67 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 200 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG 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
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. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMX WK AV 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 suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 134 lb/d all year
001Solids, total suspendedMO AVG <= 250 lb/d all year
001Solids, total suspendedMX WK AV <= 202 lb/d all year
001Solids, total suspendedMX WK AV <= 375 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Solids, total suspendedMX WK AV report only all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseMX WK AV <= 15 mg/L all year
001Nitrogen, total [as N]MO AVG <= 96 lb/d all year
001Nitrogen, total [as N]MX WK AV <= 144 lb/d 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 <= 2 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.37 mg/L all year
001Nitrogen, ammonia total [as N]MX WK AV <= 3 mg/L all year
001Nitrogen, ammonia total [as N]MX WK AV <= 2.05 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 9 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 11.43 lb/d all year
001Nitrogen, ammonia total [as N]MX WK AV <= 13 lb/d all year
001Nitrogen, ammonia total [as N]MX WK AV <= 17.14 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG 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
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]MO AVG report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Nitrogen, ammonia total [as N]MX WK AV report only all year
001Phosphorus, total [as P]MO AVG <= 27 lb/d all year
001Phosphorus, total [as P]MX WK AV <= 40 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableMX WK AV report only all year
001Cadmium, total recoverableMO AVG <= .00046 mg/L all year
001Cadmium, total recoverableMX WK AV <= .00485 mg/L all year
001Lead, total recoverableMO AVG <= .0066 mg/L all year
001Lead, total recoverableMX WK AV <= .1702 mg/L all year
001Copper, total recoverableMO AVG <= .0194 mg/L all year
001Copper, total recoverableMX WK AV <= .0315 mg/L all year
001Flow, in conduit or thru treatment plantMX WK AV <= .537 MGD all year
001Flow, in conduit or thru treatment plantMO AVG <= 1 MGD all year
001Flow, in conduit or thru treatment plantMX WK AV report only all year
001Chlorine, total residualMO AVG <= .017 mg/L all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualMX WK AV <= .03 mg/L all year
001Chlorine, total residualMX WK AV <= .019 mg/L all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliMX WK AV <= 410 #/100mL all year
001E. coliMX WK AV <= 410 #/100mL all year
001Mercury, total recoverableMO AVG <= .000012 mg/L all year
001Mercury, total recoverableMX WK AV <= .0021 mg/L all year
001BOD, 5-day, percent removalMINIMUM report only all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM report only all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001Sludge settleability 30 minuteMINIMUM report only all year
001Sludge settleability 30 minuteMINIMUM report only all year
001Sludge settleability 30 minuteMAXIMUM report only all year
001Sludge settleability 30 minuteMAXIMUM report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM >= 100 % all year
001%Effect Static Renewal 7Day Chronic Pimephales promelasMINIMUM >= 100 % 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