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Measles cases are on the rise globally and here in Illinois the number is increasing as well. Vaccines are 97% effective in preventing this highly contagious disease.  To learn more about this infection and get information on vaccination, go to https://dph.illinois.gov/topics-services/diseases-and-conditions/diseases-a-z-list/measles.html.  Learn how to identify measles and the safe and effective vaccine that can prevent this potentially life-threatening infection for adults and children. 

Private Water & Closed Loop Wells

In the private water and closed loop systems program, the Illinois Department of Public Health (IDPH) administers the licensing of water well and pump installation contractors and regulates the construction, modification and sealing of all water wells, with the exception of community water wells. In addition, the program administers the registration of closed loop well contractors and regulates the construction, modification, and sealing of all closed loop wells. This program is conducted through agreements with 90 local health departments.

A major consideration in constructing these wells is to prevent contamination from the ground surface or shallow ground water, sewage disposal systems and other hazardous sources, from entering the well. To ensure the safety of these water supplies, the IDPH and local health departments review water well installation plans, issue permits for new well construction, and inspect wells. The IDPH licenses approximately 730 people who construct wells and/or install water well pumps. Staff consult with the public and local governments about private water supply issues and prepares publications concerning the use of surface water and groundwater supplies.

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