RALLS COUNTY WATER DISTRICT #1, INC.

NPDES permit MO0122564 · Minor NON-POTW · effective, expires 2030-03-31 · 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

8values over a limit
0required values missing, on 0 form(s)
2of 32 forms filed late

Last period with anything received: 2026-08-31. Most often over: Nitrogen, ammonia total [as N] (4), BOD, 5-day, 20 deg. C (2), BOD, 5-day, percent removal (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (35)

OutfallParameterStatisticLimitMonths
001RainfallTOTAL report only all year
001RainfallMO TOTAL report only all year
001FreeboardTOTAL report only all year
002Application rate area sprayedTOTAL report only all year
002Application rate area sprayedMO TOTAL report only all year
002Application rate, gallons spray irrigationTOTAL report only all year
002Application rate, gallons spray irrigationMO TOTAL report only all year
002Spray irrigationTOTAL report only all year
002Spray irrigationMO TOTAL report only all year
002Spray irrigation, application rateTOTAL report only all year
002Spray irrigation, application rateMO TOTAL report only all year
003BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedWKLY AVG <= 45 mg/L all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
003Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX <= 5.7 mg/L Jul, Aug, Sep
003Nitrogen, ammonia total [as N]DAILY MX <= 8.4 mg/L Oct, Nov, Dec
003Nitrogen, ammonia total [as N]DAILY MX <= 11.8 mg/L Jan, Feb, Mar
003Nitrogen, ammonia total [as N]DAILY MX <= 5.7 mg/L Apr, May, Jun
003Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jul, Aug, Sep
003Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Oct, Nov, Dec
003Nitrogen, ammonia total [as N]MO AVG <= 2.6 mg/L Jan, Feb, Mar
003Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Apr, May, Jun
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003E. coli7 DA GEO <= 1030 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
003E. coli30DA GM <= 206 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
003BOD, 5-day, percent removalMO AV MN >= 85 % all year
003Solids, 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