Clean Water Act discharge permit · NPDES COR901678
GPT INDUSTRIES LLC, Wheat Ridge, CO: NPDES COR901678 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GPT INDUSTRIES LLC, held by GPT Industries LLC, holds NPDES permit COR901678, which discharges to Unnamed Pond. EPA’s file records it issued October 11, 2024 and expiring June 30, 2029. 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.
What the register holds for GPT INDUSTRIES LLC: its NPDES ID, its permit type and status, its dates, its address in Wheat Ridge, Colorado, its receiving water, and 2 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR901678.
Identity
| Facility as filed | GPT INDUSTRIES LLC |
|---|---|
| Permittee as filed | GPT Industries LLC |
| NPDES ID | COR901678 |
| 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 | October 11, 2024 |
| Expiration date | June 30, 2029 |
| Address | Wheat Ridge, CO 80033 |
| Receiving water | Unnamed Pond |
| Subwatershed | Table Mountain-Clear Creek (HUC 101900040403) |
| Other EPA IDs (FRS) | ICIS-AIR source CO0000000805901507 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 2Pollutants on file
- 2Under a numeric limit
- 0With 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 |
|---|---|---|---|---|---|
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Are You In Compliance | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901678.
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 COR901678.
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, COR901678.
Start the watch
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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 COR901678 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.