Clean Water Act discharge permit · NPDES ORR323790
WALTER CAMP ESTATE: CAMP QUARRY, Mapleton, OR: NPDES ORR323790 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WALTER CAMP ESTATE: CAMP QUARRY, held by Mapleton Rock Products, Inc., holds NPDES permit ORR323790. EPA’s file records it issued October 17, 2014 and expiring December 3, 2017. 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 | WALTER CAMP ESTATE: CAMP QUARRY |
|---|---|
| Permittee as filed | Mapleton Rock Products, Inc. |
| NPDES ID | ORR323790 |
| 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 | October 17, 2014 |
| Expiration date | December 3, 2017 |
| Issuing agency | STA |
| Address | Mapleton, OR 97453 |
| Subwatershed | Knowles Creek-Siuslaw River (HUC 171002060803) |
| SIC | 1429 – Crushed And Broken Stone |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES ORR323790.
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 |
|---|---|---|
| April 11, 2022 | Failure to comply with a requirement regarding Industrial Stormwater Control | ST6 |
| April 11, 2022 | Effluent Violations - Unauthorized Discharge | 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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- One watershed — $2,990/year
- One state — $4,990/year
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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 ORR323790 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.