Clean Water Act discharge permit · NPDES MO0107808
HUDSON R-9 SCHOOL DISTRICT WWTP, Appleton City, MO: NPDES MO0107808 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
HUDSON R-9 SCHOOL DISTRICT WWTP, held by Hudson R-9 School District, holds NPDES permit MO0107808, which discharges to Tributary To Panther Cr.. EPA’s file records it issued June 26, 2018 and expiring December 31, 2021. 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 | HUDSON R-9 SCHOOL DISTRICT WWTP |
|---|---|
| Permittee as filed | Hudson R-9 School District |
| NPDES ID | MO0107808 |
| 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 | June 26, 2018 |
| Expiration date | December 31, 2021 |
| Address | Appleton City, MO 64724 |
| Receiving water | Tributary to Panther Cr. |
| Subwatershed | Panther Creek (HUC 102901050203) |
| SIC | 8211 – Elementary And Secondary Schools |
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
- 9Pollutants on file
- 8Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Solids, suspended percent removal | 1 | 23 | 20 | June 30, 2026 | 567% over the limit |
| Solids, total suspended | 2 | 17 | 13 | June 30, 2026 | 130% over the limit |
| E. coli | 0 | 13 | 13 | June 30, 2026 | 11,646% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 28 | 12 | June 30, 2026 | 1,500% over the limit |
| BOD, 5-day, percent removal | 1 | 9 | 6 | December 31, 2023 | 567% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 9 | 5 | June 30, 2026 | 500% over the limit |
| pH | 2 | 5 | 1 | June 30, 2019 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 5 | 1 | June 30, 2017 | 43% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 4 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 20, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 23, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| July 11, 2022 | 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, MO0107808.
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 MO0107808 there.
Nearby on the register
- Discharge permits in Appleton City
- Every permit record in Appleton City, 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.