Where Is the Planned Vulcan Comal Quarry?

Vulcan Materials plans to set up a 1500-acre open-pit limestone quarry in a residential area of central Comal County, located between Bulverde, Spring Branch, Garden Ridge, and New Braunfels.

  • Nearly three miles across
  • One mile fronting SH 46
  • 1½ miles fronting FM 3009
  • Less than one mile from FM 1863
  • ¼ mile from Beck Road

Carcinogenic Dust

All gravel quarries create and emit dust particles strongly associated with health problems such as lung cancer,1 heart disease,2 stroke,3 and reproductive issues.4 The finest particles are invisible and affect residents living miles away from the actual quarry site.

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Truck Traffic

With the additional gravel-hauling traffic, expect to see an estimated 444 truck loads per hour in the surrounding area. The increased truck traffic will make our roads more dangerous and lengthen travel times. Roadways most impacted will be SH 46, FM 3009, FM 1863, and Beck Road.

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Property Values

According to studies, properties within a five-mile radius of a new quarry (map above) lose up to 20 percent of their market value.5,6 Over 12,000 people live in the surrounding area. Property valuation losses are estimated at over $100 million.

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Water Resources

The Vulcan quarry will affect local wells, water levels, and water quality. Impact will come from blasting, destruction of caves, increased storm runoff, and hazardous chemicals entering the water supply.

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News Updates & Info

Moving Forward Against Vulcan and TCEQ

We continue to progress in our legal appeal against TCEQ and Vulcan. Our attorneys recently filed the initial brief in our case opposing the Vulcan air quality permit.

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Candidate Questionnaire Sent in Three Key Races

In the interest of better informing citizens on quarry-related and APO issues, we have developed and sent a candidate questionnaire to seven state and local candidates running in the upcoming November 2020 general election.

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Apparent Breach in Tailing Pond Dam from Quarry in Edwards Aquifer Recharge Zone

A resident near the Anderson Columbia quarry in New Braunfels observed a thick, chalky liquid flowing across his property and farm—apparently coming from a quarry tailing pond breach.

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All News Updates & Info

Events & Meetings

Bluebonnet Extravaganza Dinner & Auction

Friday, April 9, 2021: Second annual fundraising dinner and auction in New Braunfels. Gourmet food, libations, music, dancing. live and silent auctions.

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TCEQ Commissioners’ Meeting on November 20

Wednesday, November 20, 2019: TCEQ commissioners consider the decision recommended by SOAH judges regarding the pending Vulcan quarry air quality permit.

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Community Education Meeting on October 8

Tuesday, October 8, 2019: Free educational meeting to learn more about the negative impacts from the proposed quarry and hear updates on legal and legislative efforts.

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All Events & Meetings