Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES COR428732

CASTLE PINES TANK, Castle Rock, CO: NPDES COR428732 discharge permit, effluent exceedances, inspections, penalties

CASTLE PINES TANK, held by Garney Construction, holds NPDES permit COR428732. EPA’s file records it issued October 8, 2025 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 CASTLE PINES TANK: 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 COR428732.

Identity

Facility as filedCASTLE PINES TANK
Permittee as filedGarney Construction
NPDES IDCOR428732
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 8, 2025
Expiration dateMarch 31, 2029
Issuing agencySTA
AddressCastle Rock, CO 80108
SubwatershedHappy Canyon Creek-Cherry Creek (HUC 101900030301)
SIC1623 – Water, Sewer, And Utility Lines

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR428732.

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 COR428732.

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, COR428732.

Start the watch

How often?
  • 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 COR428732 there.

Nearby on the register

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

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES COR428732 for CASTLE PINES TANK in Castle Rock, CO, held by Garney Construction, with an Effective status and a Minor discharger class. The EPA permit file lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit runs from October 8, 2025 to March 31, 2029 within subwatershed Happy Canyon Creek-Cherry Creek (HUC 101900030301).