11 NOVEMBER 2025 WorldWide Drilling Resource® Two High-Capacity Horizontal Collector Wells Adapted from Information by Granite Granite announced its fully owned subsidiary, Layne, A Granite Company, secured a contract valued at approximately $13 million from the Lewis and Clark Regional Water System (LCRWS). This contract involves constructing two highcapacity horizontal wells within an existing wellfield near the Missouri River, close to Vermillion, South Dakota. The funding for this project comes from a combination of federal and member resources. “This project exemplifies the breadth of our water supply construction capabilities, showcasing our expertise in delivering high-capacity water supply solutions in both groundwater and surface water environments,” said Granite Vice President of Regional Operations, Gernot Penzhorn. “It also highlights the regional diversity of our projects.” Each of the new wells are engineered to have a pumping capacity of 25 million gallons per day (MGD), providing a combined total of 50 MGD of raw water to the LCRWS. Construction will consist of 16-foot-diameter concrete caissons, extending down to an estimated depth of 135 feet. “Lewis & Clark’s staff and engineers have enjoyed working with Layne on several different well projects through the years, including our first collector well,” said LCRWS Executive Director Troy Larson. “The top-notch professionals at Layne have always done a great job and we are looking forward to working with them again on our next two collector wells. When completed, the three collector wells will be the heart and soul of our system that over 350,000 people are relying upon in the tristate region.” In 2021, Layne’s Ranney® Collector Well division successfully completed the first horizontal collector well for LCRWS at Site B, yielding over 20 MGD - approximately seven times the output of conventional wells in the system. This achievement prompted the decision to design and build two new horizontal collector wells at Site C. The LCRWS acts as a wholesome water supplier to 20 cities and rural water systems in southwest South Dakota, northwest Iowa, and southwest Minnesota. For more than 20 years, Layne has been a vital partner to LCRWS, providing expert hydrogeologic services, well installation, and redevelopment, as well as pump installation and maintenance. WTR HDD
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