Clean Water Act discharge permit · NPDES MO0053546
NORTH WOOD R-IV SCHOOL WWTP, Salem, MO: NPDES MO0053546 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
NORTH WOOD R-IV SCHOOL WWTP, held by Northwood R-IV School District, holds NPDES permit MO0053546, which discharges to Tributary To Nelson Branch. EPA’s file records it issued July 7, 2017 and expiring July 31, 2022. 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 | NORTH WOOD R-IV SCHOOL WWTP |
|---|---|
| Permittee as filed | Northwood R-IV School District |
| NPDES ID | MO0053546 |
| 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 | July 7, 2017 |
| Expiration date | July 31, 2022 |
| Address | Salem, MO 65560 |
| Receiving water | Tributary to Nelson Branch |
| Subwatershed | Fishwater Creek-Meramec River (HUC 071401020204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 0Under a numeric limit
- 10With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 39 | 37 | December 31, 2018 | 495% over the limit |
| E. coli, colony forming units [CFU] | 0 | 34 | 34 | June 30, 2017 | 99,999% over the limit |
| Solids, total suspended | 0 | 19 | 17 | December 31, 2018 | 173% over the limit |
| E. coli | 0 | 8 | 6 | March 31, 2019 | 99,999% over the limit |
| Coliform, fecal general | 0 | 6 | 6 | March 31, 2011 | 24,999,900% over the limit |
| pH | 0 | 5 | 3 | December 31, 2016 | |
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 2 | 0 | ||
| BOD, 5-day, percent removal | 0 | 2 | 0 | ||
| Solids, suspended percent removal | 0 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 17, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 9, 2019 | 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.
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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 MO0053546 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.