In 2022, the Indiana Finance Authority completed Phase III of the Central Indiana Water Study to better understand water demand and availability in Central Indiana.
Main Content
Marion County Wellfield Education Corporation
Groundwater and Drinking Water Protection for Indianapolis and Marion County Indiana
Am I in a wellfield?
Groundwater is your drinking water. Protect it!
Our mission is to protect the groundwater resources of Marion County by providing education and resources to individuals and businesses.

Schedule Assessment
We conduct free and confidental personalized site assessments for any business located in one of Marion County’s wellfields.

Seconday Containment /
Spill Assistance Program
Businesses located in a wellfield are eligible for assistance in order to help them achieve compliance with the wellfield protection code.

Business Resources
Printable guides, forms, and checklists for best management practices and required for compliance with Marion County and Indianapolis wellfield regulations.
Recent News

Understanding green infrastructure impacts to groundwater quality
During heavy rain events, city streets and collection systems are bombarded with extra water. In recent years, city planners across the country have been implementing green infrastructure projects alleviate treatment plants and surface waters. The EPA recently completed a multi-year study to review how these systems impact groundwater quality.

Deicing Safely in Groundwater Protection Areas
Keeping walkways safe in the winter can be challenging. Many homes and businesses use deicing chemicals that may impact local ecosystems and overwhelm drinking water systems. Deicing is not the only option and implementing best practices can help reduce potential pollution problems.
Fun Facts
Wellfield Protection Areas in Marion County, Indiana
square miles of land legally designated as Wellfield Protection Areas
billion gallons of water used yearly as part of the public water supply
wells which supply water to the public drinking water system