Clean Water Act discharge permit · NPDES MO0126705
PRAIRIE CREEK WWTP, Platte City, MO: NPDES MO0126705 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
PRAIRIE CREEK WWTP, held by Timber Creek Sewer Company, holds NPDES permit MO0126705, which discharges to Prairie Cr.. EPA’s file records it issued January 7, 2015 and expiring January 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PRAIRIE CREEK WWTP |
|---|---|
| Permittee as filed | Timber Creek Sewer Company |
| NPDES ID | MO0126705 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 7, 2015 |
| Expiration date | January 31, 2020 |
| Issuing agency | MODNR-Water Protection Program |
| Address | Platte City, MO 64079 |
| Receiving water | Prairie Cr. |
| Subwatershed | Prairie Creek (HUC 102400120902) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 11Under a numeric limit
- 8With a violation of any kind
- 8With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 19 | 17 | May 31, 2026 | 789% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 13 | 13 | December 31, 2013 | 413% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 9 | 9 | September 30, 2021 | 397% over the limit |
| E. coli | 2 | 7 | 7 | April 30, 2024 | 1,860% over the limit |
| pH | 2 | 5 | 5 | February 28, 2026 | |
| BOD, 5-day, 20 deg. C | 2 | 3 | 3 | February 28, 2026 | 61% over the limit |
| Coliform, fecal general | 0 | 2 | 2 | August 31, 2006 | 480% over the limit |
| Solids, total suspended | 2 | 1 | 1 | January 31, 2025 | 8% over the limit |
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 21, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MO0126705 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.