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Clean Water Act discharge permit · NPDES COR429503

ELEMENTARY SCHOOL #51, Littleton, CO: NPDES COR429503 discharge permit, effluent exceedances, inspections, penalties

ELEMENTARY SCHOOL #51, held by JHL Constructors, LLC, holds NPDES permit COR429503. EPA’s file records it issued December 22, 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 ELEMENTARY SCHOOL #51: 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 COR429503.

Identity

Facility as filedELEMENTARY SCHOOL #51
Permittee as filedJHL Constructors, LLC
NPDES IDCOR429503
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 22, 2025
Expiration dateMarch 31, 2029
AddressLittleton, CO 80125
SubwatershedChatfield Reservoir (HUC 101900020703)

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 COR429503.

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 COR429503.

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 COR429503 there.

Nearby on the register

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

What this page shows

ELEMENTARY SCHOOL #51, a general permit coverage in Douglas County, is one of 289 such coverages on EPA's NPDES register for that county, and 12.5% of those 289 coverages have a violation on file. The permit sits within the Chatfield Reservoir subwatershed, which contains 30 NPDES permits including this one, and it records no pollutants under a numeric limit and no effluent exceedances.