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Clean Water Act discharge permit · NPDES COR430103

ALORA AT DRY CREEK, Centennial, CO: NPDES COR430103 discharge permit, effluent exceedances, inspections, penalties

ALORA AT DRY CREEK, held by Symmetry Builders, holds NPDES permit COR430103. EPA’s file records it issued March 5, 2026 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 ALORA AT DRY CREEK: its NPDES ID, its permit type and status, its dates, its address in Centennial, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430103.

Identity

Facility as filedALORA AT DRY CREEK
Permittee as filedSymmetry Builders
NPDES IDCOR430103
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 5, 2026
Expiration dateMarch 31, 2029
AddressCentennial, CO 80112
SubwatershedLittle Dry Creek (HUC 101900020903)

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 COR430103.

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 COR430103.

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 COR430103 there.

Nearby on the register

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

What this page shows

The ALORA AT DRY CREEK permit, held by Symmetry Builders in Centennial, is one of 360 general permit coverages in Arapahoe County, and 10.8% of those coverages have a violation on file. Among the 360 Arapahoe County general permit coverages, 81.4% were issued before this one, and the permit sits alongside 58 other NPDES permits in the Little Dry Creek subwatershed. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance.