Clean Water Act discharge permit · NPDES MO0023019
SEDALIA CENTRAL WWTP, Sedalia, MO: NPDES MO0023019 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 21Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
SEDALIA CENTRAL WWTP, held by City of Sedalia, holds NPDES permit MO0023019, which discharges to Brushy Cr.. EPA’s file records it issued March 27, 2019 and expiring March 31, 2021. 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 | SEDALIA CENTRAL WWTP |
|---|---|
| Permittee as filed | City of Sedalia |
| NPDES ID | MO0023019 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 27, 2019 |
| Expiration date | March 31, 2021 |
| Address | Sedalia, MO 65301 |
| Receiving water | Brushy Cr. |
| Subwatershed | Coon Creek-Muddy Creek (HUC 103001030405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 21Under a numeric limit
- 26With a violation of any kind
- 12With 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] | 8 | 225 | 73 | August 31, 2025 | 1,912% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 60 | 46 | June 30, 2026 | 1,160% over the limit |
| Solids, total suspended | 2 | 43 | 19 | April 30, 2026 | 894% over the limit |
| E. coli | 2 | 16 | 16 | August 31, 2025 | 99,999% over the limit |
| pH | 2 | 68 | 10 | August 31, 2025 | |
| BOD, 5-day, percent removal | 1 | 10 | 10 | September 30, 2024 | 560% over the limit |
| Solids, suspended percent removal | 1 | 8 | 8 | September 30, 2023 | 567% over the limit |
| Copper, total recoverable | 2 | 62 | 7 | December 31, 2024 | 167% over the limit |
| Zinc, total recoverable | 2 | 62 | 2 | October 31, 2003 | 280% over the limit |
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 8 | 2 | June 30, 2015 | |
| E. coli, colony forming units [CFU] | 0 | 7 | 1 | August 31, 2015 | 4,104% over the limit |
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | 0 | 7 | 1 | June 30, 2015 | |
| Oxygen, dissolved [DO] | 0 | 294 | 0 | ||
| CBOD5+NH3-N | 0 | 185 | 0 | ||
| Temperature, water deg. centigrade | 0 | 76 | 0 | ||
| Lead, total recoverable | 0 | 52 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 50 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 28 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 28 | 0 | ||
| Nickel, total recoverable | 2 | 20 | 0 | ||
| Fluoride | 2 | 4 | 0 | ||
| Chlorides + Sulfates | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 6 | 2 | 0 | ||
| Boron, total recoverable | 2 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 6 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 9, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| July 9, 2026 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| July 9, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| July 9, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 9, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 16, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| February 22, 2018 | Pretreatment - Failure to Develop/Enforce Standards | 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 MO0023019 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.