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Clean Water Act discharge permit · NPDES COR090010

NORTHGLENN MS4, Northglenn, CO: NPDES COR090010 discharge permit, effluent exceedances, inspections, penalties

NORTHGLENN MS4, held by Northglenn City of Utilities Dept, holds NPDES permit COR090010, which discharges to Unnamed Tributary To South Platte River. 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 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for NORTHGLENN MS4: its NPDES ID, its permit type and status, its dates, its address in Northglenn, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR090010.

Identity

Facility as filedNORTHGLENN MS4
Permittee as filedNorthglenn City of Utilities Dept
NPDES IDCOR090010
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramSmall municipal storm sewer systems
IssuedMarch 10, 2008
Expiration dateMarch 9, 2013
AddressNorthglenn, CO 80233
Receiving waterUnnamed Tributary to South Platte River
SubwatershedCity of Thornton-South Platte River (HUC 101900030402)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR090010.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR090010.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, COR090010.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 COR090010 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.