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Clean Water Act discharge permit · NPDES COR10F0DD

UNDERGROUND WATER UTILITY REPLACEMENT PHASE 4, Aurora, CO: NPDES COR10F0DD discharge permit, effluent exceedances, inspections, penalties

UNDERGROUND WATER UTILITY REPLACEMENT PHASE 4, held by KUFS, LLC, holds NPDES permit COR10F0DD. EPA’s file records it issued March 18, 2026 and expiring February 16, 2027. 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 UNDERGROUND WATER UTILITY REPLACEMENT PHASE 4: its NPDES ID, its permit type and status, its dates, its address in Aurora, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR10F0DD.

Identity

Facility as filedUNDERGROUND WATER UTILITY REPLACEMENT PHASE 4
Permittee as filedKUFS, LLC
NPDES IDCOR10F0DD
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 18, 2026
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressAurora, CO 80011
SubwatershedToll Gate Creek (HUC 101900030203)

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 COR10F0DD.

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 COR10F0DD.

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, COR10F0DD.

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  • 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 COR10F0DD there.

Nearby on the register

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

What this page shows

0.0% of the 20 storm water construction permits in Aurora have a violation on file. UNDERGROUND WATER UTILITY REPLACEMENT PHASE 4 is among those 20 permits, and 89.5% of the 19 Aurora permits were issued before this permit. The Toll Gate Creek subwatershed holds 82 NPDES permits, this permit among them.