Clean Water Act discharge permit · NPDES MO0135569
STODDARD COUNTY CSD NO. 1 WWTP, Dexter, MO: NPDES MO0135569 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
STODDARD COUNTY CSD NO. 1 WWTP, held by Stoddard Co Common Sewer District No 1, holds NPDES permit MO0135569, which discharges to Tributary To Dudley Main Ditch. EPA’s file records it issued July 15, 2019 and expiring March 31, 2024. 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 | STODDARD COUNTY CSD NO. 1 WWTP |
|---|---|
| Permittee as filed | Stoddard Co Common Sewer District No 1 |
| NPDES ID | MO0135569 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 15, 2019 |
| Expiration date | March 31, 2024 |
| Address | Dexter, MO 63841 |
| Receiving water | Tributary to Dudley Main Ditch |
| Subwatershed | Lick Creek Ditch (HUC 080202030202) |
| SIC | 4952 – Sewerage Systems |
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
- 14Pollutants on file
- 12Under a numeric limit
- 12With a violation of any kind
- 7With 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] | 6 | 63 | 59 | June 30, 2025 | 1,138% over the limit |
| E. coli | 2 | 19 | 19 | July 31, 2026 | 487% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 7 | 5 | March 31, 2026 | 410% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 3 | June 30, 2026 | 567% over the limit |
| Solids, suspended percent removal | 1 | 3 | 3 | March 31, 2026 | 147% over the limit |
| Solids, total suspended | 3 | 4 | 2 | March 31, 2026 | 97% over the limit |
| pH | 2 | 1 | 1 | March 31, 2011 | |
| Nitrogen, Kjeldahl, total [as N] | 4 | 4 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 4 | 0 | ||
| Phosphorus, total [as P] | 4 | 4 | 0 | ||
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| January 27, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| January 27, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| December 27, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| September 29, 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.
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, MO0135569.
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 MO0135569 there.
Nearby on the register
- Discharge permits in Dexter
- Every permit record in Dexter, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.