The Trinity Aquifer is a major aquifer that extends across much of the central and northeastern part of the state. It is composed of several smaller aquifers contained within the Trinity Group.

Interactive map of the Trinity Aquifer in Texas.

Zoom in to view Groundwater locations.

Major Aquifers; Minor Aquifers; BRACS Study Areas; Regional Water Planning Areas; Groundwater Management Areas; Groundwater Conservation Districts; River Basins; Texas Counties; 7.5' USGS Grid; 2.5' State Grid; Base Maps

The Trinity Aquifer extends in a band through the central part of the State from the Red River to the eastern edge of Bandera and Medina counties, and the Trinity-Edwards Plateau Aquifer covers all or part of over 20 counties from Gillespie to the trans-Pecos region of west Texas.

2024年3月6日 · The Trinity Aquifer extends geographically across southwestern Arkansas. Its physiographic province is designated as Coastal Plain. The aquifer has both confined and unconfined sections.

Trinity Aquifers. The Middle Trinity Aquifer is composed of (from stratigraphically lowest to highest) the Cow Creek, Hensel, and the Lower Glen Rose Formations. It is the primary aquifer in the Trinity Aquifer system for water-supply needs in the Hill Country. Nine Groundwater

The Edwards-Trinity (Plateau) Aquifer is a major aquifer extending across much of the southwestern part of the state. The water-bearing units are composed predominantly of limestone and dolomite of the Edwards Group and sands of the Trinity Group.

Figure 83 Map showing pumpage for irrigation from aquifer system Edwards-Trinity aquifer ( Click to view thumbnails and download figures) Figure 84 Map showing extent of the Edwards-Trinity aquifer

Trinity aquifer. Figure 108 Map showing extent of the aquifer (50K) editable eps file E108.eps.gz (297K compressed)