Clean Water Act discharge permit · NPDES MO0092801
WILLIAMSBURG ELEMENTARY SCHOOL WWTF, Williamsburg, MO: NPDES MO0092801 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
WILLIAMSBURG ELEMENTARY SCHOOL WWTF, held by North Callaway R-1 School, holds NPDES permit MO0092801, which discharges to Tributary To Appling Branch. EPA’s file records it issued January 13, 2022 and expiring March 31, 2026. 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 | WILLIAMSBURG ELEMENTARY SCHOOL WWTF |
|---|---|
| Permittee as filed | North Callaway R-1 School |
| NPDES ID | MO0092801 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 13, 2022 |
| Expiration date | March 31, 2026 |
| Address | Williamsburg, MO 63388 |
| Receiving water | Tributary to Appling Branch |
| Subwatershed | Whetstone Creek-Loutre River (HUC 103002000202) |
| 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
- 9Under a numeric limit
- 9With a violation of any kind
- 2With 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, total suspended | 3 | 16 | 2 | June 30, 2026 | 43% over the limit |
| E. coli | 2 | 4 | 2 | June 30, 2026 | 793% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 22 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 14 | 0 | ||
| pH | 2 | 12 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| BOD, 5-day, percent removal | 1 | 2 | 0 | ||
| Solids, suspended percent removal | 1 | 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 |
|---|---|---|
| December 11, 2025 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| March 28, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 19, 2017 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 19, 2017 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 19, 2017 | Permit Violations - Failure to Submit Timely Permit Renewal Application | 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, MO0092801.
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 MO0092801 there.
Nearby on the register
- Discharge permits in Williamsburg
- Every permit record in Williamsburg, 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.