Facebook X-twitter Instagram Youtube Linkedin
San Antonio River Authority

Martinez IV Expansion Phase II Design

Martinez IV Expansion Phase II Design

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. Continuous growth in the Martinez IV service area continues to drive expansion needs at the Martinez IV WWTP.

Project Details:

  • Utilities
  • Active
  • Adopted Budget: $8400000
  • Start Date: 2023-04-19
  • End Date: 2027-02-28
View All Projects

Share:

Facebook
Twitter
LinkedIn
Email

Related Projects

Sheridan Building Proposed Rendering

Facilities Design & Construction

  • 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…

Parks Design and Construction

  • 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.…

Edwards Aquifer Watershed Protection

  • 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…

Alerts

Park Closure Notice: Trueheart Ranch

May 20, 2025

Unfortunately, Trueheart Ranch Nature Park (14984 Blue Wing Rd, San Antonio, TX 78221) is closed until further notice due to recent vandalism. We’re working to assess and repair the damage to ensure the park is safe and welcoming for everyone. Thank you for your understanding—updates will be shared as soon as we have them.

Graytown Park Parking Lot Construction Notice 

May 19, 2025

Construction Timeline: April – October 2025 (estimated)

Improvements are coming to Graytown Park! Parking lot construction will begin in April, and we appreciate your patience as we work to enhance the park for all visitors.

Temporary Closures & Impacts:

  • Upper parking area, pavilion, and restrooms will be CLOSED during construction. Temporary restroom facilities will be provided.
  • Park and river access will be CLOSED Monday–Friday from 8 AM – 5 PM (no access during these hours).

We encourage visitors to plan accordingly and check back for updates as the project progresses. Thank you for your support!

Stay Updated: Follow us on social media for the latest updates.

Trail Closure – San Pedro Creek Culture Park

April 30, 2025

* Trail temporarily closed from 5/1/2025 until 9/1/2025.

Due to adjacent construction work, the San Pedro Creek Trail on the west side of the creek will be closed from the access
point at W. Nueva Street to Dolorosa Street until further notice. Alternate route with ADA access is on the east side of the creekSan Pedro Creek Culture Park Trail Closure

Goliad Paddling Trail Alert

March 6, 2025

NOTICE: HWY 59 Landing Site Closed

Due to TxDOT construction on the HWY 59 Bridge, the HWY 59 landing site is closed until further notice. However, the Goliad Paddling Trail remains open, and paddlers can still access the river at the Riverdale, Ferry Street, and Goliad State Park landings.

Please plan accordingly and check back for updates.

SASPAMCO Paddling Trail Temporarily Closed

November 20, 2024

Staff have removed two large log jams just downstream of Helton Nature Park, keeping the southern portion of the SASPAMCO Paddling Trail temporarily closed. Staff are working to contact adjacent landowners to support a land-based removal solution.

SASPAMCO Paddling Trail

May 6, 2024

The SASPAMCO paddling trail is open from River Crossing Park to Helton Nature Park.
*Please Note: Paddling Trail from Helton Nature Park to HWY 97 is still closed due to blockages. 

Current Conditions

River Reach Newsletter and Blog Signup

River Reach is offered as a printed, physical mailing to your residence or business. The Blog is a weekly electronic email with news and updates in order to be more environmentally conscious. Please fill out the form below and indicate your preferred method of delivery.

By submitting this form, you are consenting to receive marketing materials from: San Antonio River Authority, 100 East Guenther St., San Antonio, TX, 78204, US. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.