Engineering & Records
District Maps
Official maps for landowners, engineers, surveyors, developers and government agencies.
District Boundary Map
The official boundary of Hidalgo County Irrigation District No. One, including precinct lines used for director elections and the irrigable acreage of record.
Scale 1" = 4,000' · Updated January 2026
HCID1 Infrastructure Map
Primary canals, laterals, buried pipelines, pumping plants, check structures and turnouts throughout the District service area.
Scale 1" = 2,000' · Updated March 2026
Interactive Service Area Map
Use the map below to locate the District office and the general service area. For an exact determination of whether a tract is inside the District, contact the office with the legal description.
Requesting a facility location for design or construction? Submit a plat or easement review request.