Source water planning

Source Water Policy – Illinois


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Program ComponentStatus
Community water systems are required to implement source water protection plansCommunity water supply systems expanding through the construction of new wells are required to initiate local wellhead protection programs for these wells in the state of Illinois.
Community water systems are encouraged to implement source water protection plansIllinois source water protection plans are required and supported by the state Source Water Assessment Program.
Funding is available to implement plans
Dedicated funding is not available for plan implementation.

Periodic updates to plans are required
In Illinois, updates are required every 5 years for Source Water Protection Plans.
For FY 2024, the State Revolving Fund program utilized set-aside funding for source water protection programsSource Water is an eligible category for loan funding for the Public Water Supply Loan Program.
Monitoring sources of drinking water accessed through private wells is required Private water well owners themselves have the primary responsibility to test well water for potential contaminants in Illinois.
Funding is available to mitigate compromised sources of drinking water accessed through private wellsThe state of Illinois does not provide funding to mitigate issues with compromised private wells.


Jurisdiction implements this program component
Jurisdiction does not implement this program component
Jurisdiction partially implements this program component