Texas Aqueduct Project
Zoom in to load TWDB wells (zoom ≥ 9)
Map key
Major aquifersTWDB — water color; click the map for the aquifer name
Groundwater districtsTWDB GCD boundaries — earth color
Who delivers your waterPWS service areas — ink at low opacity
Special utility districtsTCEQ SUD boundaries
Retail CCNPUC certificated territories (toggle on)
TWDB wellsShown when Wells is on and zoom is 9+
TAP zone markersApproximate city dots — colors by zone

    Select a zone from the list, or click a TAP marker. Markers are approximate city locations — not survey boundaries. Click aquifer or GCD polygons on the map for TWDB identify.