Clean Water Act discharge permit · NPDES MOG970023
HANSEN'S ENVIRONMENTAL WOOD RESOURCES, Ofallon, MO: NPDES MOG970023 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
HANSEN'S ENVIRONMENTAL WOOD RESOURCES, held by Chad Hansen, holds NPDES permit MOG970023, which discharges to Tributary To Peruque Cr.. EPA’s file records it issued August 27, 2018 and expiring August 6, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HANSEN'S ENVIRONMENTAL WOOD RESOURCES |
|---|---|
| Permittee as filed | Chad Hansen |
| NPDES ID | MOG970023 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | August 27, 2018 |
| Expiration date | August 6, 2023 |
| Address | Ofallon, MO 63366 |
| Receiving water | Tributary to Peruque Cr. |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With 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 | 2 | 9 | 7 | December 31, 2024 | 1,054% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 7 | 5 | December 31, 2024 | 356% over the limit |
| Rainfall | 2 | 6 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| November 26, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| November 26, 2024 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| March 8, 2021 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | 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 MOG970023 there.
Nearby on the register
- Discharge permits in Ofallon
- Every permit record in Ofallon, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.