Superfund Site:

LONGHORN ARMY AMMUNITION PLANT
KARNACK, TX

Superfund Site Profile

Site Contacts

Community Involvement Coordinator
JANETTA COATS
(214) 665-7308

Remedial Project Manager
STEPHEN TZHONE
(214) 665-8409

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Site Location

Street Address:
HWY 43, KARNACK, TX 75670

Background

The 8,416-acre Longhorn Army Ammunition Plant (LHAAP) installation is located between State Highway 43 and Caddo Lake in Karnack, Harrison County, Texas, approximately 14 miles northeast of Marshall, Texas, and approximately 40 miles northwest of Shreveport, Louisiana. The site is in a rural area and operated from 1942 to 1997, historically manufacturing TNT, rocket motors and various pyrotechnic items.