Clean Water Act discharge permit · NPDES MO0029955
USACE WINFIELD ACCESS AREA WWTP, Winfield, MO: NPDES MO0029955 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
USACE WINFIELD ACCESS AREA WWTP, held by United States Army Corps of Engineers, holds NPDES permit MO0029955, which discharges to Sandy Cr.. EPA’s file records it issued April 25, 2025 and expiring April 30, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | USACE WINFIELD ACCESS AREA WWTP |
|---|---|
| Permittee as filed | United States Army Corps of Engineers |
| NPDES ID | MO0029955 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | April 25, 2025 |
| Expiration date | April 30, 2030 |
| Address | Winfield, MO 63389 |
| Receiving water | Sandy Cr. |
| Subwatershed | Dogtown Hollow-Mississippi River (HUC 071100041109) |
| SIC | 9621 – Regulation, Administration Of Transportation |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 10Pollutants on file
- 8Under a numeric limit
- 10With a violation of any kind
- 4With 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 | 16 | 8 | September 30, 2021 | 1,272% over the limit |
| Solids, total suspended | 2 | 11 | 3 | September 30, 2021 | 527% over the limit |
| pH | 2 | 9 | 1 | March 31, 2020 | |
| E. coli | 2 | 5 | 1 | September 30, 2020 | 134% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 0 | 6 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 2 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 2 | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 10, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| July 15, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| December 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| June 29, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| September 25, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 25, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES MO0029955.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MO0029955.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0029955.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MO0029955 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.