The River Authority manages and completes projects under a wide range of activities including scientific studies, park improvements, major infrastructure initiatives for flood control, stormwater management and community amenities. Funding for these projects comes from various sources. The River Authority contributes funding specifically towards projects; however, the majority of funding comes from other entities, notably the City of San Antonio and Bexar County. Funding through federal, state and local grants also helps the River Authority support its mission.
A project is a temporary endeavor undertaken to create a unique product, service, or result that meets a specific objective. A Project’s cost threshold is $75,000 or greater and has a duration of one year or longer. Projects require Board of Director approval. All projects are entered into the River Authority’s project management software system and are managed in a consistent fashion.
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River Authority Projects
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- Environmental
- Active
This program uses ongoing investment in science, models, and master planning to identify and evaluate properties for nature-based solutions, creating a pipeline of rolling projects.…
- Engineering
- Completed
The San Antonio River flood diversion tunnel is approximately 16,200 feet long with precast concrete segmented liners of 24 feet by 4 inches inside diameter.…
- Active
In an effort to restore and sustain the native life in this section of the river, Bexar County, the City of San Antonio, the River…
- Design & Construction
- Active
The Creeks & Trails projects are programmed and managed by the San Antonio River Authority on behalf of Bexar County. The mission is to continue…
- Design & Construction
- Active
The San Antonio River Authority is collaborating with the US Army Corps of Engineers to restore portions of the Westside Creeks, including portions of San…
- Design & Construction
- Active
Bexar County and the River Authority, in coordination with the City of San Antonio, are transforming San Pedro Creek into a resource that reflects the…
- Design & Construction
- Active
With its lush vegetation, effortless accessibility and modern recreation amenities, Escondido Creek Parkway is the new favorite outdoor hub in the City of Kenedy, a…
- Design & Construction
- Active
This project will assess the long-term space needs of the River Authority and evaluate various options regarding new building designs for the property located at…
- Design & Construction
- Active
This project will begin design and construction on Mann’s Crossing Park on the Medina River, Hendrick Arnold Park (Straus medina), Trueheart Ranch, and Espada Park.…
- Environmental
- Active
The River Authority serves as project manager and administrator for the City of San Antonio Proposition 1-funded water quality projects of the Edwards Aquifer Protection…
- Design & Construction
- Active
In partnership with the Brooks City Base Economic Development Corporation, the River Authority is managing a trail connection project between the Mission Reach Segment of…
- Design & Construction
- Active
This project funds repairs to address erosion at various locations along the Mission Reach Segment of the San Antonio River. Erosion repair projects aim to…
- Design & Construction
- Active
This project oversees the completion of the facilities acquisition and improvements plan. In FY 2019-20 the River Authority acquired property located at 201 W. Sheridan…
- Design & Construction
- Active
The River Authority is collaborating with the City of San Antonio (CoSA) for the 2017-2022 Bond project Panther Springs Creek Restoration. The River Authority is…
- Environmental
- Active
This project will enhance the community's floodplain data through a restudy and updating of floodplain maps for Leon Creek, Salado Creek, and selected Medina River…
- Environmental
- Active
The River Authority and City of San Antonio (CoSA) have identified 2017 City bond projects for cost-shared green stormwater infrastructure (GSI) practices. The program portfolio…
- Utilities
- Active
The Salitrillo Wastewater Treatment Plant (WWTP) Expansion and Improvements project will expand the current WWTP from a permitted daily average flow of 5.83 million gallons…
- Design & Construction
- Active
The River Authority, in partnership with Texas A&M San Antonio and TJ Maxx, is planning to connect the lower end of the Mission Reach to…
- Utilities
- Active
This project will take the Martinez IV wastewater treatment plant (WWTP) from a permitted capacity of 250,000 gallons per day (GPD) to 2.0 million gallons…
- Design & Construction
- Active
This project will bring better and safer lighting and additional electrical outlets to a portion of the Museum Reach Segment of the San Antonio River.…
- Environmental
- Active
This project will support the City of Alamo Heights (City) with the design and installation of green stormwater infrastructure (GSI) along Broadway street in conjunction…
- Environmental
- Active
This project focuses on flood data, including flood risk identification and assessment activities within the Lower Cibolo Watershed and Lower Medina Watershed. These activities include…
- Design & Construction
- Active
The Nueva Street Marina Dam is a temporary dam for the Nueva Street Marina when Flood Control Gate 5 must be lowered during or in…
- Utilities
- Active
This project is for the design and construction of a large diameter gravity sewer line that will connect the Millican Grove Lift Station to the…
- Environmental
- Active
The project focuses on flood data, including flood risk identification and assessment activities within the Lower San Antonio watershed. These activities include floodplain mapping, report…
- Environmental
- Active
The River Authority completed the predictive flood modeling system for Bexar County in 2021. The Downstream Predictive Flood Modeling project intends to extend the coverage…
- Design & Construction
- Active
The Mission Reach Boundary Markers project will clearly identify the property lines along the San Antonio Capital Improvement Project Phases (SACIP) enabling River Authority staff…
- Environmental
- Active
The Watershed Master Plan Atlas 14 Update project will incorporate the flood risk data from Risk MAP and floodplain remapping projects that reflect updated precipitation…
- Design & Construction
- Active
The River Authority will provide the design and construction management of Gate 5 on behalf of the city of San Antonio (CoSA) Public Works Department…
- Environmental
- Active
The project focuses on flood data, including flood risk identification and assessment activities within the Lower San Antonio watershed. These activities include floodplain mapping, report…
- Environmental
- Active
This project develops a future condition model and updates priority subbasins with the latest watershed information. Priority subbasins are based on ultimate buildout land use…
- Environmental
- Active
The project will convert the existing Westside Creeks Models to a 1D/2D model or a Full 2D model, and analyze models with Future Climate Hydrology…
- Environmental
- Active
Escondido 1 Dam currently passes 73% PMF-Dams & Reservoirs, existing high hazard & significant hazard dams are required to be able to pass 75% of…
- Environmental
- Active
Escondido 4 Dam currently passes 59% PMF-Dams & Reservoirs, existing high hazard & significant hazard dams are required to be able to pass 75% of…
- Environmental
- Active
Escondido 12 Dam currently passes 51% PMF-Dams & Reservoirs, existing high hazard & significant hazard dams are required to be able to pass 75% of…
- Design & Construction
- Active
The San Antonio Zoo currently supplies animals with fresh untreated well water, which is sourced from the Edwards Aquifer. The existing well is currently failing,…
- Design & Construction
- Active
The project will study the potential to establish a connection from the San Antonio River Walk to the San Pedro Creek Culture Park to enhance…
- Design & Construction
- Active
This project continues the trail improvements through the Howard W. Peak Greenway Trails System along Zarzamora Creek from Tierra Del Sol Park downstream to Alderete…
- Design & Construction
- Active
The Spirit Reach includes a series of trails to connect the existing reaches of the San Antonio River experience (San Antonio Missions, the Riverwalk, Pearl…
- Design & Construction
- Active
This project continues the trail improvements through the Howard W. Peak Creekway trail system along the Leon Creek. The trail begins at IH35 and continues…
- Design & Construction
- Active
This project continues the trail improvements of the Howard W. Peak Greenway Trails System along the Leon Creek from the Military Dr. trail head at…
- Design & Construction
- Active
The Westside Creeks Restoration Project Conceptual Plan, adopted in June 2011 by the River Authority’s Board of Directors, has served as the catalyst for the…
- Design & Construction
- Active
This project continues the trail improvements through the Howard W. Peak Greenway Trails System along Zarzamora Creek from Ingram Road downstream to Tierra Del Sol…
- Design & Construction
- Active
The Westside Creeks Lighting project will include lighting for three creeks to include Alazan, Zarzamora, and Apache Creeks. The lighting will be placed along the…
- Design & Construction
- Active
This project continues the trail improvements through the Howard W. Peak Creekway trail system along the Culebra Creek from Grissom Road to the Culebra-Helotes Greenway…
- Engineering
- Active
This project continues the trail improvements through the Howard Peal Greenway Trails System along the Culebra Creel. The project runs between a Grissom Trailhead to…
- Utilities
- Active
This ongoing project relocates and rehabilitates wastewater collection system lines in coordination with roadway improvement projects constructed by other public entities, such as the Texas…
- Utilities
- Active
This project evaluates the Upper Martinez Wastewater Treatment Plant’s existing facility and potential proposed improvements to extend the life of the plant. The evaluation will…
- Utilities
- Active
This project will take the Martinez IV Wastewater Treatment Plant (WWTP) from a permitted capacity of 2.0 million gallons per day (MGD) to 5.1 MGD.…
- Environmental
- Active
The Cibolo Creek Watershed is over 850 mi2 in area and has a mix of both urban and rural land use classes. Several parts of…
- Utilities
- Active
The project will create a formalized Capacity, Management, Operation and Maintenance (CMOM) program for the Martinez and Salitrillo Wastewater collection systems. This project will evaluate…
- Environmental
- Active
Mussel surveys have shown that mussels have been nearly eradicated from the Mission Reach but are still surviving in numerous remnant channels. The River Authority…
- Utilities
- Active
This project will ensure that the outfall main between the Upper Martinez WWTP and the Martinez II WWTP can convey all the anticipated flow from…
- Design & Construction
- Active
In continuation of improvements to Escondido Creek Parkway, which opened in 2020, this project will extend the trail from the 5th Street entrance to the…
- Active
Three freshwater mussel species under review for federal listing as threatened or endangered have historically been found in the San Antonio River Basin. One species,…
- Active
Through more accurate flood maps, risk assessment tools, and outreach support, FEMA's Risk Mapping Assessment, and Planning (Risk MAP) strengthens local ability to make informed…
- Active
The objective of the Lower Leon Creek Use-Attainability Analysis is to conduct monitoring in support of Texas Commission on Environmental Quality efforts to assign the…
- Active
The Westside Creeks Project is a community-based creek restoration effort started in 2008 by the San Antonio River Authority. Its mission is: 1) to develop…
- Active
The San Antonio River Authority (River Authority) is collaborating with the City of San Antonio for the 2017-2022 Bond project Panther Springs Creek Restoration. The…
- Active
The San Antonio River Authority Floodplain Viewer engages users in an interactive floodplain map, displaying the Federal Emergency Management Agency’s (FEMA) National Flood Hazard Layer…
- Environmental
- Completed
The adopted environmental flow standards developed by the Guadalupe, San Antonio, Mission, and Aransas Rivers and Mission, Copano, Aransas, and San Antonio Bays Basin and…
- Environmental
- Completed
The goal of this project was to develop methodologies to validate environmental flows adopted by the State. This was accomplished by first conducting a workshop…
- Environmental
- Completed
The Westside Creeks are a cluster of tributaries to the San Antonio River that flow through some of San Antonio’s oldest Westside neighborhoods – a…
- Environmental
- Completed
This project assessed the abundance of Guadalupe Bass Micropterus treculi in the San Antonio River (SAR) watershed and collect, tag and reintroduce the species to…
- Environmental
- Completed
In recent history, use of groundwater to sustain rapid development in the basin has resulted in increasing base flows in the San Antonio River resulting…
- Engineering
- Completed
In 2001, the 77th Texas Legislature enacted Senate Bill 2 establishing the Texas Instream Flows Program (TIFP). The purpose of this program is to perform…
- Engineering
- Completed
Completed in 2003, this $13M project was jointly funded by the City of San Antonio and Bexar County. Project design and construction was overseen by…
- Engineering
- Completed
Constructed as part of the federal San Antonio Channel Improvements Project (SACIP), the Espada Dam was designed and built to maintain a base flow to…
- Environmental
- Completed
The Texas Department of Health has issued a fish consumption advisory stating that the consumption of fish from Leon Creek may pose a threat to…
- Environmental
- Completed
In Karnes and Wilson counties, the number of new oil and gas production wells has increased substantially since completion of the Phase I report. Few…
- Environmental
- Completed
A portion of the Upper San Antonio River, Segment 1911, has been identified by the Texas Commission on Environmental Quality (TCEQ) as impaired due to…
- Environmental
- Completed
The Texas Instream Flow Program (TIFP), jointly administered by Texas Commission on Environmental Quality, Texas Parks and Wildlife Department, and Texas Water Development Board, has…
- Engineering
- Completed
The San Pedro Creek flood diversion tunnel is approximately 6,000 feet long with a finished inside diameter of 24 feet, 4 inches lined with precast…
- Engineering
- Completed
The San Antonio River was the focal point and life line of the early Spanish missionaries and colonists. The missions were in fact located in…
- Environmental
- Completed
Specified reaches of the Upper San Antonio (segment 1911) and Salado Creek (segment 1910) have been identified on the TCEQ 303 (d) list as not…
- Engineering
- Completed
Olmos Dam was originally constructed in 1925-1927 as part of the City of San Antonio’s early efforts to effectuate a flood control plan for San…
- Environmental
- Completed
From 2002 through 2009, faculty and students from the Department of Wildlife and Fisheries Sciences at Texas A&M University conducted field, laboratory, and modeling studies…
- Environmental
- Completed
The draft 2008 TCEQ 303(d) List (March 19, 2008) identified several assessment units in the Lower Leon Creek as being impaired based on the state's…
- Engineering
- Completed
This project was funded by the City of San Antonio and Bexar County. The project primary purpose was to protect and enhance the conveyance in…
- Engineering
- Completed
Completed in 1998, this project stabilized and rebuilt the river channel section from Houston Street to Commerce where the channel slope drops dramatically from the…
- Environmental
- Completed
Citizens in the lower portion of the San Antonio River Watershed have expressed concerns about bacteria levels in the San Antonio River and asked that…
- Engineering
- Completed
The San Antonio River Betterments III Project—Durango Boulevard to Nueva Street was designed and administered by the Authority as part of a six phase project…
- Engineering
- Completed
The labyrinth weir dam project was designed to replace an existing failing double gated structure built in 1973. The 2,000 foot-long labyrinth weir design was…
