MISSOURI-AMERICAN WATER COMPANY

NPDES permit MO0026514 · Minor POTW · effective, expires 2030-10-31 · 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

17values over a limit
0required values missing, on 0 form(s)
0of 46 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (13), E. coli (3), pH (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (66)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]MO AV MN report only Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 110 mg/L all year
001Solids, total suspendedMO AVG <= 70 mg/L all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
001Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]ANNL AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]ANNL TOT report only all year
001Nitrogen, total [as N]MO TOTAL report only all year
001Nitrogen, ammonia total [as N]DAILY MX <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 10.6 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 5.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]ANNL AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]ANNL TOT report only all year
001Nitrogen, Kjeldahl, total [as N]MO TOTAL report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]ANNL AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]ANNL TOT report only all year
001Nitrite + Nitrate total [as N]MO TOTAL report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]ANNL AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]ANNL TOT report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coliDAILY MX <= 1030 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 206 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Flow, totalMO TOTAL report only all year
002RainfallTOTAL report only all year
002RainfallMO TOTAL report only all year
002FreeboardTOTAL report only all year
003RainfallTOTAL report only all year
003RainfallMO TOTAL report only all year
003FreeboardTOTAL report only all year
005Application rate area sprayedTOTAL report only all year
005Application rate area sprayedMO TOTAL report only all year
005E. coliDAILY MX <= 126 #/100mL all year
005Application rate, gallons spray irrigationTOTAL report only all year
005Application rate, gallons spray irrigationMO TOTAL report only all year
005Spray irrigationTOTAL report only all year
005Spray irrigationMO TOTAL report only all year
005Spray irrigation, application rateTOTAL report only all year
005Spray irrigation, application rateMO TOTAL report only all year
INFNitrogen, ammonia total [as N]DAILY MX report only all year
INFNitrogen, ammonia total [as N]MO AVG report only all year
INFNitrogen, Kjeldahl, total [as N]DAILY MX report only all year
INFNitrogen, Kjeldahl, total [as N]MO AVG report only all year
INFNitrite + Nitrate total [as N]DAILY MX report only all year
INFNitrite + Nitrate total [as N]MO AVG report only all year
INFPhosphorus, total [as P]DAILY MX report only all year
INFPhosphorus, total [as P]MO AVG 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