PWSD NO. 1 OF RALLS COUNTY, MISSOURI

NPDES permit MO0094200 · Minor POTW · effective, expires 2027-12-31 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 8 forms filed late

Last period with anything received: 2026-06-30. Most often over: Nitrogen, ammonia total [as N] (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 (24)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN report only all year
001Oxygen, dissolved [DO]MO AV MN report only all year
001BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 10.1 mg/L Apr, May, Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 8.4 mg/L Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 8.4 mg/L Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Apr, May, Jun
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3.1 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jul, Aug, Sep
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. coli7 DA GEO <= 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
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO 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