MISSOURI-AMERICAN WATER COMPANY

NPDES permit MO0098817 · Minor NON-POTW · effective, expires 2029-02-28 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31.

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 (26)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 5.7 mg/L Sep
001Nitrogen, ammonia total [as N]MO AVG <= 8.3 mg/L Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4.4 mg/L Jul
001Nitrogen, ammonia total [as N]MO AVG <= 8.9 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 10.4 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 5.3 mg/L Jun
001Nitrogen, ammonia total [as N]MO AVG <= 4.7 mg/L Aug
001Nitrogen, ammonia total [as N]MO AVG <= 7.3 mg/L May
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, Nov, Dec
001E. coli30DA GM <= 206 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec

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