MDNR, Division of State Parks

NPDES permit MO0034509 · Minor NON-POTW · administratively continued, expires 2025-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 81 forms filed late

Last period with anything received: 2026-08-31. Most often over: 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 (47)

OutfallParameterStatisticLimitMonths
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001RainfallTOTAL report only all year
001RainfallMO TOTAL report only all year
001FreeboardTOTAL report only all year
003Nitrogen, nitrate total [as N]DAILY MX report only all year
003Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
003RainfallTOTAL report only all year
003RainfallMO TOTAL report only all year
003FreeboardTOTAL report only all year
005RainfallTOTAL report only all year
005RainfallMO TOTAL report only all year
005FreeboardTOTAL report only all year
007Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
007Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
007pHMINIMUM >= 6.5 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, settleableDAILY MX <= 1.5 mL/L all year
007Solids, settleableMO AVG <= 1 mL/L all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Chlorine, total residualDAILY MX <= .019 ug/L all year
007Chlorine, total residualMO AVG <= .019 ug/L all year
008Application rate area sprayedTOTAL report only all year
008Application rate area sprayedMO TOTAL report only all year
008Application rate, gallons spray irrigationTOTAL report only all year
008Application rate, gallons spray irrigationMO TOTAL report only all year
008Spray irrigationTOTAL report only all year
008Spray irrigationMO TOTAL report only all year
008Spray irrigation, application rateTOTAL report only all year
008Spray irrigation, application rateMO TOTAL report only all year
009Application rate area sprayedTOTAL report only all year
009Application rate area sprayedMO TOTAL report only all year
009Application rate, gallons spray irrigationTOTAL report only all year
009Application rate, gallons spray irrigationMO TOTAL report only all year
009Spray irrigationTOTAL report only all year
009Spray irrigationMO TOTAL report only all year
009Spray irrigation, application rateTOTAL report only all year
009Spray irrigation, application rateMO TOTAL report only all year
010Application rate area sprayedTOTAL report only all year
010Application rate area sprayedMO TOTAL report only all year
010Application rate, gallons spray irrigationTOTAL report only all year
010Application rate, gallons spray irrigationMO TOTAL report only all year
010Spray irrigationTOTAL report only all year
010Spray irrigationMO TOTAL report only all year
010Spray irrigation, application rateTOTAL report only all year
010Spray irrigation, application rateMO TOTAL 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