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Clean Water Act discharge permit · NPDES COR430705

KEN CARYL RANCH NORTH PLAINS FILING 2 RESIDENTIAL LOTS, Littleton, CO: NPDES COR430705 discharge permit, effluent exceedances, inspections, penalties

KEN CARYL RANCH NORTH PLAINS FILING 2 RESIDENTIAL LOTS, held by Lennar Colorado, LLC, holds NPDES permit COR430705. EPA’s file records it issued May 29, 2026 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 KEN CARYL RANCH NORTH PLAINS FILING 2 RESIDENTIAL LOTS: its NPDES ID, its permit type and status, its dates, its address in Littleton, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430705.

Identity

Facility as filedKEN CARYL RANCH NORTH PLAINS FILING 2 RESIDENTIAL LOTS
Permittee as filedLennar Colorado, LLC
NPDES IDCOR430705
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 29, 2026
Expiration dateMarch 31, 2029
AddressLittleton, CO 80127
SubwatershedDutch Creek-South Platte River (HUC 101900020901)

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 COR430705.

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 COR430705.

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, COR430705.

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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 COR430705 there.

Nearby on the register

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

What this page shows

Counting this permit, 94.7% of all 244 general permit coverages in Jefferson County were issued earlier. KEN CARYL RANCH NORTH PLAINS FILING 2 RESIDENTIAL LOTS is among 85 NPDES permits in the Dutch Creek-South Platte River subwatershed. Jefferson County has 245 general permit coverages, and 21.2% of those carry a violation on file.