Dillan Well Drilling Inc. has been involved in commercial water well drilling since 1919 serving farms, manufacturing, plants, mining, and municipal customers. Whether you require 10 gallon per minute or 1000 gallon per minute we can meet your needs. Dillan’s crews and equipment can drill water wells from 6” to 24” diameter to meet your water needs. Our fleet of four modern rigs can drill in rocks and set casing in unconsolidated material. We specialize in drilling larger diameter high yield rock wells with down hole hammer equipment. Dillan’s has the areas largest selection of drilling equipment and tooling to meet your needs. Our drilling crews are specialists in drilling high yield screened gravel wells in the areas glacier deposits and river deposits. A large diameter screened ground well can be completed in a day or two unlike conventional drilling that takes weeks.