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Clean Water Act discharge permit · NPDES COR427936

ADVENTHEALTH CRYSTAL VALLEY MOB, Castle Rock, CO: NPDES COR427936 discharge permit, effluent exceedances, inspections, penalties

ADVENTHEALTH CRYSTAL VALLEY MOB, held by Turner Construction Co, holds NPDES permit COR427936. EPA’s file records it issued August 1, 2025 and expiring March 31, 2029. 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 ADVENTHEALTH CRYSTAL VALLEY MOB: 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 COR427936.

Identity

Facility as filedADVENTHEALTH CRYSTAL VALLEY MOB
Permittee as filedTurner Construction Co
NPDES IDCOR427936
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 1, 2025
Expiration dateMarch 31, 2029
AddressCastle Rock, CO 80104
SubwatershedMiddle East Plum Creek (HUC 101900020503)

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 COR427936.

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 COR427936.

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 COR427936 there.

Nearby on the register

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

What this page shows

The ADVENTHEALTH CRYSTAL VALLEY MOB permit, filed under permittee Turner Construction Co, is one of 289 general permit coverages on EPA's NPDES register in Douglas County, this one included. Of those 289 Douglas County coverages, 12.5% have a violation on file, and 68.2% carry an earlier issue date than this permit. The permit also sits among 30 NPDES permits in the Middle East Plum Creek subwatershed, this one included, and it has no pollutants under a numeric limit and no effluent exceedances on record.