WATER VALLEY POTW

NPDES permit MS0022331 · Major POTW · effective, expires 2029-06-30 · 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
180required values missing, on 6 form(s)
0of 14 forms filed late

Last period with anything received: 2026-02-28. Most often over: Solids, suspended percent removal (3), BOD, 5-day, 20 deg. C (3), Solids, total suspended (3).

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 (61)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 12 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 26 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 18 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 39 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 140 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 304 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 210 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 455 lb/d May, Jun, Jul, Aug, Sep, Oct
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 <= 90 mg/L all year
001Solids, total suspendedMX WK AV <= 135 mg/L all year
001Solids, total suspendedMO AVG <= 1050 lb/d all year
001Solids, total suspendedMX WK AV <= 1576 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
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseMX WK AV <= 15 mg/L all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX MO AV report only all year
001Nitrogen, total [as N]MX WK AV report only all year
001Nitrogen, total [as N]MX MO AV 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 May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 9 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 6 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MX WK AV <= 13.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 47 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 105 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 70 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MX WK AV <= 158 lb/d Jan, Feb, Mar, Apr, Nov, Dec
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]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Phosphorus, total [as P]MX MO AV report only all year
001Phosphorus, total [as P]MX WK AV report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 1.4 MGD all year
001Flow, in conduit or thru treatment plantMX WK AV report only all year
001Chlorine, total residualMO AVG <= .038 mg/L all year
001Chlorine, total residualMX WK AV <= .065 mg/L all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliMX WK AV <= 410 #/100mL all year
001BOD, 5-day, percent removalMINIMUM >= 65 % all year
001Solids, suspended percent removalMINIMUM >= 65 % 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