Clean Water Act discharge permit · NPDES COR901633
CATERPILLAR DENVER REG DIST CTR, Denver, CO: NPDES COR901633 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CATERPILLAR DENVER REG DIST CTR, held by Caterpillar Inc, holds NPDES permit COR901633, which discharges to Sand Creek. EPA’s file records it issued June 30, 2023 and expiring December 31, 2025. 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.
What the register holds for CATERPILLAR DENVER REG DIST CTR: its NPDES ID, its permit type and status, its dates, its address in Denver, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR901633.
Identity
| Facility as filed | CATERPILLAR DENVER REG DIST CTR |
|---|---|
| Permittee as filed | Caterpillar Inc |
| NPDES ID | COR901633 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | June 30, 2023 |
| Expiration date | December 31, 2025 |
| Address | Denver, CO 80216 |
| Receiving water | Sand Creek |
| Subwatershed | Sand Creek (HUC 101900030204) |
| SIC | 3531 – Construction Machinery |
| Other EPA IDs (FRS) | RCRA handler COD062743430; ICIS-AIR source CO0000000803100087 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 COR901633.
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 COR901633.
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, COR901633.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 COR901633 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.