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San Antonio River Authority

Martinez IV WWTP Expansion

Martinez IV WWTP Expansion

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 per day (MGD) and construct a second additional lift station at Abbott Road. Rapid growth in the Martinez IV service area has made additional capacity at the Martinez IV WWTP and Abbott Road Lift Station necessary to accommodate existing and planned development.

Project Details:

  • Utilities
  • Completed
  • Adopted Budget: $23818150
  • Start Date: 2020-01-01
  • End Date: 2023-07-06
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Alerts

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August 8, 2025

Attention Mission Reach Trail users, the trail parallel to the Flats at Big Tex is currently blocked by construction machinery, making it inaccessible. Please detour though Blue Star street where possible.

Trail Closure Alert – Calder Alley, San Pedro Creek

August 5, 2025

As part of the South Laredo Project, the Calder Alley San Pedro Creek trail will be closed on: Friday, August 8 from 7 AM – 5 PM

Please plan your visit accordingly and thank you for your patience as we work to improve your San Pedro Creek Culture Park experience.

Confluence Park

August 5, 2025

August 4–15 Confluence Park will be undergoing regular maintenance, including improved solutions for the permeable parking lot surface to better collect rainwater, and resealing the iconic pavilion petals. Please note: Parking lots will be closed during this time. (Including during Sunday Yoga @mobileom) We appreciate your patience as we care for this special place!

Graytown Park Parking Lot Construction Notice 

August 5, 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

August 5, 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

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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. 

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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.

Goliad Paddling Trail Alert

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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.

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