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MCWEC

Groundwater and Drinking Water Protection for Indianapolis and Marion County Indiana

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    • Am I in a Wellfield?
    • Wellfield FAQs
    • Who is MCWEC?
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    • Industry Specific Guidelines
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    • Guides, Forms, & Resources
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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.

Secondary 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

Indianapolis Wellhead Protection Ordinances: What Every Developer Needs to Know

July 10, 2025

When beginning to think about a land purchase, one of the initial questions that comes to the forefront are local regulations. Environmental regulations play a key role – not only for protecting the health and safety of the community and future residents, but also the ecosystem, and the professionals that will be on the job […]

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Upcoming Webinar in IDEM’s new P2 Toolkit Program

June 30, 2025

Last week, the Indiana Department of Environmental Management (IDEM) released information about a new Pollution Prevention (P2) Toolkit Program for small-medium size businesses in Indiana. The goal of the program is to provide businesses and manufacturers resources and customized help to reduce or eliminate water, air, and other pollution at the source. Resources that will […]

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Do I need to worry about marine debris in Indiana?

June 24, 2025

Yes! Aquatic trash from rivers, lakes, and streams can easily travel to the Great Lakes or the ocean and end up as marine debris.

Read More

Fun Facts

7
Wellfield Protection Areas in Marion County, Indiana
33
square miles of land legally designated as Wellfield Protection Areas
10
billion gallons of water used yearly as part of the public water supply
72
wells which supply water to the public drinking water system

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Free, Confidential Assessments

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 assessments are free and intended to ensure businesses are operating in ways protective to groundwater; observations are NOT reported to any regulatory agencies.

Schedule Your Assessment

About the Marion County Wellfield Corporation

In My Community

Get connected with the water in your community!
The U.S. EPA offers a variety of tools to discover the environment around you.

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