Clean Water Act discharge permit · NPDES MO0090697
SHERWOOD CASS R-VIII SCHOOL WWTF, Creighton, MO: NPDES MO0090697 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SHERWOOD CASS R-VIII SCHOOL WWTF, held by Reorganized School District Cass R-VIII, holds NPDES permit MO0090697, which discharges to Tributary To Knob Creek. EPA’s file records it issued January 22, 2018 and expiring December 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 | SHERWOOD CASS R-VIII SCHOOL WWTF |
|---|---|
| Permittee as filed | Reorganized School District Cass R-VIII |
| NPDES ID | MO0090697 |
| 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 22, 2018 |
| Expiration date | December 31, 2020 |
| Address | Creighton, MO 64739 |
| Receiving water | Tributary to Knob Creek |
| Subwatershed | Knob Creek (HUC 102901080504) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 7Under a numeric limit
- 9With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Oil and grease [soxhlet extr.] tot. | 2 | 17 | 5 | June 30, 2025 | 240% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 27 | 4 | December 31, 2024 | 40% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 20 | 4 | June 30, 2026 | 277% over the limit |
| Solids, total suspended | 2 | 28 | 3 | September 30, 2024 | 46% over the limit |
| pH | 1 | 20 | 1 | June 30, 2013 | |
| Flow, in conduit or thru treatment plant | 2 | 18 | 0 | ||
| E. coli | 2 | 10 | 0 | ||
| BOD, 5-day, percent removal | 0 | 1 | 0 | ||
| Solids, suspended percent removal | 0 | 1 | 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 |
|---|---|---|
| June 16, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| September 24, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| June 18, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| January 13, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 13, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 24, 2017 | Reporting Violations - Failure to Submit DMRs | 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
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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 MO0090697 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.