River Authority to Host Household Hazardous Waste Collection Event in Karnes County

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KARNES COUNTY, TX – The San Antonio River Authority (River Authority) in partnership with Karnes County and the Karnes County Sheriff’s Office, are hosting a free Household Hazardous Waste (HHW) collection event on Saturday, April 24, at the Youth County Show Barn, 1480 CR 345.

Anytime between 8 a.m. and 12 p.m., Karnes County residents may stop by and drop off unwanted household hazardous waste, tires, paint, used motor oil & filters, cleaning products, pesticides, computers, small electronics, and pharmaceuticals. This is a free event and is first come first serve. Participants are requested to remain in their vehicles and when speaking with event staff to wear a mask.

“I’ve been working with the San Antonio River Authority on these collection events for several years now and have seen how much they are needed in Karnes County,” said Karnes County Precinct 1 Commissioner Shelby Dupnik. “These collection events are important to our community because they offer a safe, easy, and free way for residents to dispose of unwanted hazardous waste.”

The River Authority hosts these annual household hazardous waste collection events with the hope that it will lead to a reduction in waste that enters our water and bring awareness to communities about the negative effects of improperly disposing waste. The River Authority’s vision is to inspire actions for healthy creeks and rivers and is grateful to the local partners, governments, and organizations that work together to make these collection events successful.

“Karnes County has seen great success with the Household Hazardous Waste Collection events. Last year alone, we collected over 28,000 pounds of waste,” said River Authority Karnes County Board Member Gaylon Oehlke. “Together we are working to protect the San Antonio River Watershed.”

Items such as large appliances, tires on the rim, construction debris, and scrap metal cannot be accepted. For a full list of items that will or will not be accepted, contact Meera Keshav, River Authority Government Affairs Coordinator, at 1-866-345-7272, ext. 3228, or visit the events page of the River Authority’s website at sariverauthority.org.

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Update (December 2025):
Crews will be moving south of Concepcion Park towards the baseball fields around the Mission Road area. The trail in this section will be closed the morning of Wednesday 12/10 and is expected to reopen the later next week. 

Work will also continue at the current location near mile marker 8.2 for the remainder of the week, where crews will be cleaning the area and hauling off chips and debris. This section of the trail will remain open

When: Beginning October 20, 2025 through Spring 2026
What: Crews will be performing stem-density removal and related vegetation maintenance along sections of the Mission Reach to help manage flood risk and protect surrounding infrastructure. Some trails or segments may be closed temporarily while work is underway.
Why: Removing excess stems that naturally establish along the river helps maintain stormwater conveyance, reduces flood risk, and protects public infrastructure while allowing grassland and native vegetation to recover and thrive.
What to expect:

  • Limited trail closures and intermittent work zones.
  • Crews and equipment working near the riverbanks during daytime hours.
  • Parking areas remain open, but visitors may see signage and temporary barriers.

Questions? Call the San Antonio River Authority at (210) 227-1373 or visit https://www.sariverauthority.org/services/river-health/ecosystems/.

Thank you for your patience while we keep the Mission Reach safe, clean, and enjoyable.

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Please plan accordingly and check back for updates.

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