Keith Thierry

Services on the state record

Illinois licensed water well and pump installation contractor (IDPH license held by Keith Thierry (water well and pump installation contractor license 102-004066); active on the IDPH Water Well Contractor search on September 30, 2026). Illinois licenses the individual rather than the company under the Water Well and Pump Installation Contractor's License Act (225 ILCS 345) and 77 Ill. Adm. Code 915: a water well contractor may construct, modify and seal water wells, a pump installation contractor may install and service pumps and pressure systems, and the licensee must be on site or supervising the work. A permit from the county health department (or IDPH where the county has no delegated program) is required before a well is drilled, and the contractor files a well construction report with IDPH; the state's well records are published through the ISGS ILWATER map. Keith Thierry has 123 water well records on the ISGS ILWATER map drilled since 2016, most recently in June 2022, mostly in Bureau, Whiteside and Lee counties; the median depth of those wells is 180 feet and the median tested yield 35 gallons per minute.

Service area

• Bureau County
• Whiteside County
• Lee County
• Marshall County
• Putnam County
• Woodford County
• LaSalle County
• Livingston County

Other licensed contractors near Princeton