Serving Kerr County with a Conscience

​Martin Marietta Quarry Fact Sheet

  • As per the resolution by Kerr County, quarries are detrimental to the environment - air, water, noise, landscape, and can impact property values in a negative way.
  • Kerr County says Martin Marietta (MM) has a positive impact on economy. Kerr Central Appraisal District (KCAD) has the valuation of their current property in Center Point at $1,837 million in 2003. During the years between 2005 and 2008 it increased to a peak value of $3,486 million. By 2015 it had declined to a valuation of $1,692 million. There is no sales tax revenue collected locally on their product. Obviously, the property value has declined to below what it was valued when they purchased it in 2002; approximately $150,000 lower and trending downward. This is standard for the industry (to lower their property values), and has been verified.
  • The current Kerrville property was purchased for approximately $5 million in Dec. 2014, about 13 months ago. Obviously, there is a great disparity between the 2015 appraisal valuation and the market sales price; KCAD should adjust the appraised value to reflect the correct market value. There was a For Sale sign on this property. It does not appear to have been listed in MLS prior to the sale, so it must have been a private transaction. KCAD has access to MLS data but would not be obtainable if a private transaction.
  • Why is MM moving forward when they have publicly stated they want to visit with the citizens, and annexation is in process? Annexation is a standard practice with municipalities. We have knowledge of a company similar to MM which has had property annexed, while in operations in 2015, and another site is currently in annexation in another town. This municipal action will freeze their work. There is a social and moral responsibility to stop when the County has passed a resolution, the City is annexing the land, the Chamber of Commerce is considering making a stand against it, adjacent neighbors and businesses have expressed their scorn for this operation. There is a high school within 400 ft. of this site, the Guadalupe River as a water source borders the property, and the airport has air traffic 200 ft. over the site. This, obviously, is not an appropriate place for a quarry. They knew they would be up against a fight when they bought a property within the ETJ. The photo on the back of this information shows what the property in Center Point looks like after being mined.
  • The MM representative stated at the January 12th City council meeting they are regulated by TCEQ. TCEQ has stated they are only required to inspect this type operation once every three years, unless there are complaints. The MM Center Point operation is not inspected by TCEQ, but MM has been approved for self-regulation. The last inspection was in June, 2014, by MM and not TCEQ. I have spoken to representatives of TCEQ in San Antonio on the telephone and have been impressed with their responses and taking notes to respond to questions. I was told this (Split Rock) property was not inspected, nor was it required to be prior to issuing the permit to MM.
  • Mining of this type is probably one of the least regulated industries. As a real estate developer, I would have to go through more regulation to increase property values and enhance the property versus destroying it.
  • Can the TCEQ permit be rescinded? If so, how and why? We need details. Has TCEQ ever rescinded similar permits before?
  • Will MM get a permit for mining in the flood zone area and a rock crusher similar to their current site down the road at Center Point?
  • How much money in materials will MM see out of this site? How long will the mine be at this site, if approved? The application shows 194 acres results in 227,000 tons of gravel. What else will be mined and sold from this site?
  • 227,000 tons of gravel is equivalent to 17,000 dump truck loads.
  • 1 acre dug to a depth of 20 feet is 32,000 cubic yards of material
  • 175 acres quarried to a depth of 20 feet is 5,600,000 cubic yards of material, or 700,000 dump truck loads
  • Does MM have any pending lawsuits? Has MM ever been found to be in violation of any TCEQ rules?
  • How many quarries does the San Antonio region have? Approximately 200. How many TCEQ inspectors for storm water runoff? Only 1.
  • Does TCEQ have permit restrictions when a quarry site is located within 1,000 feet of structures, such as schools, homes, or a major river?
  • Reputable businesses should be socially responsible in the community. Clearly, MM is not wanted this close to our town, residents, schools, businesses, airport and river. It is time to act like a reputable company.
  • Lastly, the 6 to 10 jobs they create is not a large impact to this community when you compare with what James Avery Jeweler (360), Fox Tank (60+), Our Lady of the Hills High School (20+) and Mooney International (55+) bring to the immediate area, and all are in the city limits.

Trevor Hyde

President, Comanche Trace

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