4 Tex. Admin. Code § 41.17
Quarantined areas are as follows for Maverick County. Beginning at a point where the Rancho Rio Grande east fence intersects the Kinney-Maverick County line; thence, following the Rancho Rio Grande east fence in a southeasterly direction to where it joins the southeast corner of the Rancho Rio Grande four section pasture, approximately 2.7 miles; thence following the south fence of the Rancho Rio Grande four section pasture in a westerly direction to a point where it intersects the Maverick County Water District main canal, approximately 1.5 miles; thence, following the Maverick County Water District main canal in a southeasterly direction to where it intersects the west right-of-way fence of U.S. Highway 277 approximately 2.5 miles; thence, following the west right-of-way fence of U.S. Highway 277, in a southerly direction to where it intersects Maverick County Water District Lateral #2, approximately .5 mile; thence, following the Maverick County Water District Lateral #2 in a southerly direction to where it intersects the north fence of the Calley property, approximately 5 1/4 miles; thence, east along the north fence of the Calley property to a corner, approximately 200 yards; thence following the east fence of the Calley property in a southerly direction to the northeast corner of the Hal Bowles Ranch, approximately 3/8 mile; thence, following the east fence of the Hal Bowles Ranch in a southeasterly direction to where it intersects the north fence of the Lehman Brothers Ranch, approximately 3/4 mile; thence, following the Lehman north fence in a southeasterly direction to a drainage canal, approximately 1/8 mile; thence following the drainage canal in a southerly direction to the north fence of the Las Vegas Ranch, approximately 7/8 mile; thence, following the meanderings of the Las Vegas Ranch fence in a southeasterly direction to the northeast corner of the same, approximately one mile; thence, following the meanderings of the east fence of the Las Vegas Ranch in a southerly direction to where it intersects the Alex Ritchie north fence, approximately 3.5 miles; thence along the north fence of the Alex Ritchie Farm in an easterly direction to where it intersects the Maverick County Water District main canal, approximately 3/8 mile; thence, following the meanderings of the Maverick County Water District main canal in a southerly direction to where it intersects the CPL Power Plant Road, approximately 3.5 miles; thence, following the CPL Power Plant Road in an easterly direction to where it intersects the west right-of-way fence of U.S. Highway 277, approximately 1-5/8 mile; thence, following U.S. Highway 277 in a southerly direction into the City of Eagle Pass and following the meanderings of U.S. Highway 277 in a southerly direction to its intersection with Church Street, approximately 8.5 miles; thence, following Church Street in a westerly direction to its intersection with Commercial Street, approximately .5 mile; thence, following Commercial Street in a southerly direction to its intersection with Garrison Street, approximately .7 mile; thence, following Garrison Street in an easterly direction to its intersection with Adams Street, approximately .2 mile; thence, following the meanderings of Adams Street in a southerly direction to where it becomes Industrial Park Road, approximately one mile; thence, following the meanderings of Industrial Park Road to where it intersects Brown Street, approximately 1.5 miles; thence, following Brown Street in an easterly direction to the intersection of Farm Road 1021, approximately .5 mile; thence, following Farm Road 1021 (Mines Road) in a southeasterly direction to the Webb County Line, approximately 43.5 miles.
4 Tex. Admin. Code § 41.17