Use our interactive tools to search if your home or business is located in a drinking water protection area (also known as a wellfield or wellhead protection area). …
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Marion County Wellfield Education Corporation
Groundwater and Drinking Water Protection for Indianapolis and Marion County Indiana
Education and resources for Marion County, IN citizens plus businesses located in a wellfield to prevent pollution to our drinking water resources.

Use our interactive tools to search if your home or business is located in a drinking water protection area (also known as a wellfield or wellhead protection area). …
Search the map about Am I in a Drinking Water Protection Area?

We can help! We provide free, confidental wellfield reviews for any new or existing business located in one of Marion County, Indiana's wellfields.
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Printable guides, forms, and checklists for best management practices required in accordance with Marion County and Indianapolis wellfield regulations.
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Businesses located in Marion County wellfields may be eligible to receive free secondary containment products to help prevent spills and protect drinking water.
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Participants of the Indiana Watershed Leadership Academy developed a comprehensive guide to Indiana water related legislation from 2011-2024 (which was also updated in 2025). The report not only highlights laws that were passed, but laws that failed as well as studies and plans completed over the years by various agencies and task forces. The report […]

Join businesses, public officials, state policymakers, and individual citizens this August at the annual Indiana Water Summit hosted by the White River Alliance and its partners. Registration is open until August 3 for the Summit which will be held on August 19 & 20, 2026 at the Biltwell Event Center in Indianapolis. This year’s event […]

Conserving water is not just about our budgets – the life we share with the plants, animals, and people in our neighborhoods and beyond depend on water. Your individual or household water footprint includes both the water directly from the tap, as well as the water used in the making of things you use – […]
MCWEC representatives can help your business identify site specific ways to limit potential for groundwater contamination. You may receive free spill containment supplies in return. These reviews are free and intended to ensure businesses are operating in ways protective to groundwater; observations are NOT reported to any regulatory agencies.
Get connected with the water in your community!
The U.S. EPA offers a variety of tools to discover the environment around you.