Clean Water Act discharge permit · NPDES COR900374
STEAMBOAT READY MIX, Steamboat Springs, CO: NPDES COR900374 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
STEAMBOAT READY MIX, held by Oldcastle SW Group Inc, holds NPDES permit COR900374, which discharges to Yampa River. EPA’s file records it issued May 18, 2012 and expiring June 30, 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 | STEAMBOAT READY MIX |
|---|---|
| Permittee as filed | Oldcastle SW Group Inc |
| NPDES ID | COR900374 |
| 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 | May 18, 2012 |
| Expiration date | June 30, 2017 |
| Address | Steamboat Springs, CO 80477 |
| Receiving water | Yampa River |
| Subwatershed | Cow Creek-Yampa River (HUC 140500010410) |
| SIC | 3273 – Ready-Mixed Concrete |
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
- 3Pollutants on file
- 3Under a numeric limit
- 3With a violation of any kind
- 0With 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 | 1 | 2 | 0 | ||
| Iron, total [as Fe] | 1 | 2 | 0 | ||
| Selenium, potentially dissolvd | 1 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR900374.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COR900374.
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
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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 COR900374 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.