As part of the $1 million investment, 20 sites on the city’s West and South sides will be equipped with improved systems by the end of the summer, the Park District said.
During this week’s heat wave, only five locations in addition to police stations planned to remain open through the Independence Day city holiday on Friday.
Read the Chicago Tribune’s investigation into how Illinois regulators have failed to stop the proliferation of abandoned oil and gas wells in the state.
The state leads the rankings across the country, and is head and shoulders above the traditional Tornado Alley areas, according to preliminary NOAA data.