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Clean Water Act discharge permit · NPDES COR10F084

23421 I25 ON-RAMP METERING PHASE 2, Colorado Springs, CO: NPDES COR10F084 discharge permit, effluent exceedances, inspections, penalties

23421 I25 ON-RAMP METERING PHASE 2, held by SEMA Construction, Inc., holds NPDES permit COR10F084. EPA’s file records it issued May 16, 2022 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 23421 I25 ON-RAMP METERING PHASE 2: its NPDES ID, its permit type and status, its dates, its address in Colorado Springs, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR10F084.

Identity

Facility as filed23421 I25 ON-RAMP METERING PHASE 2
Permittee as filedSEMA Construction, Inc.
NPDES IDCOR10F084
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 16, 2022
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressColorado Springs, CO 80906
SubwatershedLower Monument Creek (HUC 110200030107)

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 COR10F084.

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 COR10F084.

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.

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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 COR10F084 there.

Nearby on the register

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

What this page shows

The 23421 I25 ON-RAMP METERING PHASE 2 permit is one of 1 storm water construction permits on EPA's NPDES register in Colorado Springs, this one included. It also sits among 70 NPDES permits in the Lower Monument Creek subwatershed, this one included, and it lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.