City Compels County to Make New Quarry Operations Stop Truck Operations

Cupertino asks county to stop Lehigh quarry’s trucks from hauling crushed rocks on city streets

On January 31, the City wrote a letter to the County to tell the two quarries, Lehigh Hanson Permanente Quarry owned by HeidelbergCement Group, Germany, and Stevens Creek Quarry to stop the traffic between them. Due to water quality concerns, the letter also demanded that Stevens Creek Quarry stop processing imported materials from Lehigh. While Lehigh indicates that the shipping of materials is business as usual, what is unusual is the right turn the trucks make from Stevens Creek to Foothill (which causes a lot of angst among neighbors), the number of trucks (the County allows up to 1300 trucks a day), and the material that is being hauled, unprocessed aggregate. The article misses that until 2011, Lehigh Hanson, then called Lehigh Southwest and Hanson Permanente, had processed their own aggregate and sold it as construction aggregate. In 2018, Lehigh began sending mined materials to Stevens Creek Quarry for processing. This change in operations is of great concern the San Francisco Regional Water Quality Control Board.

The City made a number of attempts to contact the County, but according to the article, has yet to receive a response. You can read about all of the events here: https://www.cupertino.org/our-city/city-news/increased-truck-traffic-between-lehigh-quarry-and-stevens-creek-quarry

What started as a traffic issue has changed course into a land-use issue and a water-quality issue. These will be discussed at the HLUET meeting in Santa Clara County on February 21 at 10 AM (I’ll try to remember to post that). HLUET stands for Housing, Land Use, Environment, Transportation.

On February 28 in Cupertino’s Community Hall at 7pm there will be a number of agencies answering questions from the public that will be orchestrated by our County Supervisor, Joe Simitian.

On January 9, Lehigh offered these concessions while traveling on Cupertino streets: https://www.cupertino.org/home/showdocument?id=23408

On January 31, Cupertino sent this letter: https://www.cupertino.org/home/showdocument?id=23589 Lehigh responded to Cupertino’s letter here: https://www.cupertino.org/home/showdocument?id=23595 Stevens Creek Quarry responded to Cupertino’s letter here: https://www.cupertino.org/home/showdocument?id=23597 There are other documents on the City’s web page as well.

 

 

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