MISSOURI-AMERICAN WATER COMPANY

NPDES permit MO0025828 · Minor NON-POTW · effective, expires 2028-09-30 · 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

25values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (10), BOD, 5-day, 20 deg. C (6), pH (5).

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 (30)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 65 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 120 mg/L all year
001Solids, total suspendedMO AVG <= 80 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, ammonia total [as N]DAILY MX <= 12.1 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 10.1 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 10.1 mg/L Feb, Mar, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 10.1 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jan, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 1.9 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 1.7 mg/L Sep
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Aug
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Jun
001Nitrogen, ammonia total [as N]MO AVG <= 2.3 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 2.7 mg/L Feb, Mar, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.6 mg/L Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1.1 mg/L Jul
001Nitrogen, ammonia total [as N]MO AVG <= 3.1 mg/L Jan, Nov
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

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