Clean Water Act discharge permit · NPDES COR426090

CPMD WTP2 EXPANSION PROJECT, Castle Rock, CO: NPDES COR426090 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CPMD WTP2 EXPANSION PROJECT, held by JHL Constructors LLC, holds NPDES permit COR426090. EPA’s file records it issued December 6, 2024 and expiring March 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for CPMD WTP2 EXPANSION PROJECT: its NPDES ID, its permit type and status, its dates, its address in Castle Rock, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426090.

Identity

Facility as filed	CPMD WTP2 EXPANSION PROJECT
Permittee as filed	JHL Constructors LLC
NPDES ID	COR426090
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	December 6, 2024
Expiration date	March 31, 2029
Address	Castle Rock, CO 80108
Subwatershed	Newlin Gulch-Cherry Creek (HUC 101900030108)

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 COR426090.

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 COR426090.

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 COR426090 there.

Nearby on the register

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

The CPMD WTP2 EXPANSION PROJECT is one of 289 general permit coverages on EPA's NPDES register in Douglas County, and it sits among 62 NPDES permits in the Newlin Gulch-Cherry Creek subwatershed, this one included. Of all 289 Douglas County general permit coverages, 49.5% were issued earlier than this one, and 12.5% of those 289 coverages have a violation on file, while this permit has none of the recorded pollutants under a numeric limit or effluent exceedances.