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 COR427334

HERON LAKES 2685 BLUEWATER ROAD, Loveland, CO: NPDES COR427334 discharge permit, effluent exceedances, inspections, penalties

HERON LAKES 2685 BLUEWATER ROAD, held by Clark Street Design Builders, Inc., holds NPDES permit COR427334. EPA’s file records it issued April 23, 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 HERON LAKES 2685 BLUEWATER ROAD: its NPDES ID, its permit type and status, its dates, its address in Loveland, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427334.

Identity

Facility as filedHERON LAKES 2685 BLUEWATER ROAD
Permittee as filedClark Street Design Builders, Inc.
NPDES IDCOR427334
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 23, 2025
Expiration dateMarch 31, 2029
AddressLoveland, CO 80537
SubwatershedMariano Reservoir-Big Thompson River (HUC 101900060604)

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 COR427334.

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 COR427334.

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, COR427334.

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 COR427334 there.

Nearby on the register

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

What this page shows

HERON LAKES 2685 BLUEWATER ROAD, a general permit coverage in Loveland, Larimer County, Colorado, is one of 322 such coverages in Larimer County on EPA's NPDES register. It sits among 18 NPDES permits in the Mariano Reservoir-Big Thompson River subwatershed, and 62.1% of the 322 Larimer County general permit coverages were issued earlier than this one. The permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance, while 21.4% of those 322 Larimer County coverages carry a violation on file.