One task that is often overlooked during spring cleaning is clearing out drainage swales and storm drain inlets. Every year trillions of dangerous bacteria and tons of fertilizer and trash reach our local streams every year by way of street-side storm drains.
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

New Indiana Construction Permit for Erosion Control
In December of 2021, Indiana Rule 5 detailing how developers and contractors must protect Indiana’s soil and water during the process of construction was replaced with the Construction Stormwater General Permit (CSGP).

Waterways Indiana Film Tour
Ongoing now through June 22, Indiana Humanities (a statewide nonprofit which facilitates programs that encouraging Hoosiers to think, read and talk) is hosting a nine-city film tour featuring six short documentary films about Indiana’s waterways.
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