Clean Water Act discharge permit · NPDES COS000005
COLO DEPT OF TRANSPORTATION, Denver, CO: NPDES COS000005 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
COLO DEPT OF TRANSPORTATION, held by CDOT, holds NPDES permit COS000005. EPA’s file records it issued December 8, 2006 and expiring January 31, 2012. 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 | COLO DEPT OF TRANSPORTATION |
|---|---|
| Permittee as filed | CDOT |
| NPDES ID | COS000005 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Large municipal storm sewer systems |
| Issued | December 8, 2006 |
| Expiration date | January 31, 2012 |
| Address | Denver, CO |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | 101900020904 (HUC 101900020904) |
| SIC | 9511 – Air, Water, & Solid Waste Management |
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
- 25Pollutants on file
- 0Under a numeric limit
- 25With 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 | 0 | 4 | 0 | ||
| Magnesium, total recoverable | 0 | 4 | 0 | ||
| Sodium, total recoverable | 0 | 4 | 0 | ||
| Magnesium, dissolved [as Mg] | 0 | 4 | 0 | ||
| Chloride [as Cl] | 0 | 4 | 0 | ||
| Oil and grease | 0 | 4 | 0 | ||
| Flow, maximum during 24 hr period | 0 | 4 | 0 | ||
| Chromium, dissolved [as Cr] | 0 | 3 | 0 | ||
| Chromium, total recoverable | 0 | 3 | 0 | ||
| Conductivity | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 2 | 0 | ||
| Arsenic, total recoverable | 0 | 2 | 0 | ||
| Selenium, total recoverable | 0 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Cadmium, total recoverable | 0 | 2 | 0 | ||
| Copper, total recoverable | 0 | 2 | 0 | ||
| Zinc, potentially dissolved | 0 | 2 | 0 | ||
| Copper, potentially dissolved | 0 | 2 | 0 | ||
| Arsenic, potentially dissolved | 0 | 2 | 0 | ||
| Cadmium, potentially dissolvd | 0 | 2 | 0 | ||
| Manganese, potentially dissolvd | 0 | 2 | 0 | ||
| Selenium, potentially dissolvd | 0 | 2 | 0 | ||
| Manganese, total recoverable | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COS000005.
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 COS000005.
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 COS000005 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.