Clean Water Act discharge permit · NPDES COR090052
LARIMER COUNTY MS4, Fort Collins, CO: NPDES COR090052 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LARIMER COUNTY MS4, held by Larimer County Engr Dept, holds NPDES permit COR090052, which discharges to New Mercer Ditch To Mail Creek. EPA’s file records it issued March 10, 2008 and expiring March 9, 2013. 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 LARIMER COUNTY MS4: its NPDES ID, its permit type and status, its dates, its address in Fort Collins, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR090052.
Identity
| Facility as filed | LARIMER COUNTY MS4 |
|---|---|
| Permittee as filed | Larimer County Engr Dept |
| NPDES ID | COR090052 |
| 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 | Small municipal storm sewer systems |
| Issued | March 10, 2008 |
| Expiration date | March 9, 2013 |
| Address | Fort Collins, CO 80254 |
| Receiving water | New Mercer Ditch to Mail Creek |
| Subwatershed | City of Fort Collins-Cache La Poudre River (HUC 101900070805) |
Cited to the EPA ICIS-NPDES permit file (ECHO 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 COR090052.
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 COR090052.
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 COR090052 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.