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 COR427116

NIWOT HILLS 6689 BLAZING STAR COURT, Niwot, CO: NPDES COR427116 discharge permit, effluent exceedances, inspections, penalties

NIWOT HILLS 6689 BLAZING STAR COURT, held by Sopris Development LLC, holds NPDES permit COR427116. EPA’s file records it issued March 31, 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 NIWOT HILLS 6689 BLAZING STAR COURT: its NPDES ID, its permit type and status, its dates, its address in Niwot, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427116.

Identity

Facility as filedNIWOT HILLS 6689 BLAZING STAR COURT
Permittee as filedSopris Development LLC
NPDES IDCOR427116
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 31, 2025
Expiration dateMarch 31, 2029
AddressNiwot, CO 80503
SubwatershedBoulder Reservoir (HUC 101900050704)

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 COR427116.

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 COR427116.

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, COR427116.

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 COR427116 there.

Nearby on the register

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

What this page shows

The NIWOT HILLS 6689 BLAZING STAR COURT permit, a general permit coverage held by Sopris Development LLC in Niwot, Boulder County, Colorado, is one of 251 general permit coverages in Boulder County on EPA's NPDES register and one of 25 NPDES permits in the Boulder Reservoir subwatershed. Its record shows no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 25.5% of the county's 251 general permit coverages have a violation on file.