Project Components

The Lake Ralph Hall Construction Components

The Lake Ralph Hall project includes five key components. All of these are necessary to deliver water to Upper Trinity Regional Water District (UTRWD) customers. Each component will have its own contracts, permits and schedules.

Click the icons in the graphic below for more details on each part of the lake project:

Roadway Relocations / Improvements and New Lake Bridge

Improvements and closures to certain county roads within the project area. Construction of a new, pedestrian-friendly SH 34 lake bridge and the relocation of a portion of Hwy 1550.

Untreated Water Pipeline and Balancing Reservoir

32 mile pipeline and balancing reservoir will deliver water to Upper Trinity’s water system for treatment and transmission to its customers.

Administration, Operation and Maintenance Facilities

Facilities related to the lake’s day-to-day operation, management and maintenance. A visitors’ center will be located at the administration office on Hwy 34.

Environment Improvements

Includes returning a portion of the North Sulphur River back to its natural, meandering path resulting in less erosion along the river.

Reservoir – Leon Hurse Dam, Spillway and Intake Pump Station

Owned and operated by Upper Trinity, the new reservoir will provide an additional 35 million gallons daily (MGD) of water. The intake pump station will withdraw water from the new lake and pump it into the untreated water pipeline.

Ladonia Fossil Park Relocation

One of Ladonia’s most popular tourist attractions, the fossil park, will be temporarily located on Hwy 2990 during construction, and a new fossil park will be constructed downstream of the Leon Hurse Dam on Hwy 904.

The Reservoir - Dam, Spillway and Intake Structure

UTRWD will build various different pieces to complete Lake Ralph Hall:

  • Leon Hurse Dam, approximately 2.3 miles long

  • Spillway (to release excess water back into the North Sulphur River)

  • Intake structure and pump station (to move water to the balancing reservoir, where it can be pumped through pipelines to treatment). The station will initially be able to pump up to 45 million gallons per day (MGD) and eventually up to 80 MGD.

Construction on the reservoir is scheduled to begin in early 2021 and finish in 2023.

Untreated Water Pipeline, Balancing Reservior and Booster Pump Stations

To move water from the lake, the UTRWD will build:

  • 32 miles of 54-60-inch diameter pipeline to carry raw water from the lake to the UTRWD system.

  • A balancing reservoir to provide a hydraulic separation between the Lake Ralph Hall raw water pump station and the UTRWD existing pipeline to Lewisville Lake for treatment and distribution.

The untreated water pipeline will join an existing transmission pipeline that now delivers water from Chapman Lake. This existing pipeline has enough available capacity to carry water from Lake Ralph Hall to the UTRWD system.

Construction on the pipeline is currently planned to begin in winter 2022 and finish in spring / summer of 2025.

Road Relocations/Improvements and New Lake Bridge

To accommodate the new lake, several roads must be relocated and new bridges built over the future reservoir. This includes:

  • Relocations on parts of SH 34, including a new SH 34 bridge over the new lake

  • Relocation of a portion of FM 1550

  • Demolition of four bridges

  • Adjustments to several county roads

Construction on these components is scheduled to begin in early spring 2021 and finish in spring / summer of 2023.

Environmental Improvements

The Lake Ralph Hall project also includes a number of stream and water quality improvement projects. These will include:

  • Restoring a portion of the original North Sulphur River

  • Other water quality improvement projects

Mitigation work is planned to begin in 2021 and finish in summer/fall of 2024.

Ladonia Fossil Park Relocation

The Lake Ralph Hall project requires relocation of the existing Ladonia Fossil Park since the current park is located within the future reservoir. UTRWD recognizes the importance of the fossil park to local community and visitors alike. UTRWD is working with local and county leaders to select a good new location downstream of the reservoir so fossil hunters can continue to access the river bottom.

Lake Office and Maintenance Facilities

Our UTRWD lake office is now open and located near the reservoir site at:

10910 State Highway 34, Ladonia, TX 75449 Phone number: 903-367-7008

The office is open to the public Monday - Friday 8am to 1pm, and walk-ins are welcome.

In addition to the lake office, maintenance facilities will be built to support future lake operations.

Recreational Amenities

While the primary purpose of the lake is to provide untreated water, there will be opportunities for recreational amenities. To safeguard water quality, UTRWD may have certain rules and regulations on the use of those amenities. Recreational uses and amenities will be determined in the future, but most likely will include fishing, boating and nature watching. UTRWD is working with local officials to develop a plan that guides recreation around and on the lake.