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Clean Water Act discharge permit · NPDES COR070205

E470 PUBLIC HIGHWAY AUTHORITY MS4, Aurora, CO: NPDES COR070205 discharge permit, effluent exceedances, inspections, penalties

E470 PUBLIC HIGHWAY AUTHORITY MS4, held by E470 Public Highway Authority, holds NPDES permit COR070205, which discharges to Unnamed Tributary To Coal 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 E470 PUBLIC HIGHWAY AUTHORITY MS4: its NPDES ID, its permit type and status, its dates, its address in Aurora, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR070205.

Identity

Facility as filedE470 PUBLIC HIGHWAY AUTHORITY MS4
Permittee as filedE470 Public Highway Authority
NPDES IDCOR070205
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
AddressAurora, CO 80138
Receiving waterUnnamed Tributary to Coal Creek
SubwatershedCoal Creek (HUC 101900030202)

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 COR070205.

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 COR070205.

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, COR070205.

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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 COR070205 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES COR070205, held by E470 Public Highway Authority for its MS4 facility in Aurora, CO, which discharges to Unnamed Tributary To Coal Creek. The page lists a permit status of Administratively continued, a Minor Discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.