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Clean Water Act discharge permit · NPDES COR430119

LOCKHEED MARTIN SPACE - WATERTON PLANT, Littleton, CO: NPDES COR430119 discharge permit, effluent exceedances, inspections, penalties

LOCKHEED MARTIN SPACE - WATERTON PLANT, held by HPM Inc., holds NPDES permit COR430119. EPA’s file records it issued March 20, 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 LOCKHEED MARTIN SPACE - WATERTON PLANT: 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 COR430119.

Identity

Facility as filedLOCKHEED MARTIN SPACE - WATERTON PLANT
Permittee as filedHPM Inc.
NPDES IDCOR430119
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 20, 2026
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 COR430119.

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 COR430119.

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 COR430119 there.

Nearby on the register

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

What this page shows

The LOCKHEED MARTIN SPACE - WATERTON PLANT permit (NPDES ID COR430119) is one of 245 general permit coverages on EPA's NPDES register in Jefferson County, and it sits among 30 NPDES permits in the Chatfield Reservoir subwatershed, this one included. Of the 244 general permit coverages in Jefferson County, 89.3% were issued earlier than this one, and the permit records no pollutants under a numeric limit and no effluent exceedances.