The Lake Mills Light & Water supplies water to about 6,211 residents in the Lake Mills area of Jefferson County, Wisconsin. Founded in 1911, Lake Mills Light & Water collects water from three active groundwater wells drilled 800 to 900 feet deep into a sandstone aquifer. The Water Department uses ozone purification, chlorination, and fluoridation treatment processes to improve water quality.  

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Lake Mills Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Lake Mills Light And Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the Lake Mills Light And Water website.

Contact Lake Mills Light And Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
200D Water St
Lake Mills, Wisconsin 53551-1632

phone
None

Emergency (24 hours - broken water main or pipeline, etc.)
None

Pay Your Lake Mills Light And Water Bill

Already have an account?

If you already have an account, you just need to login to the Lake Mills Light And Water site. Lake Mills Light And Water accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Lake Mills Water Service

Starting Your Service

When you move to a new home in Lake Mills, you'll most likely already have running water, but you'll still need to set up water service with the Lake Mills Light And Water. Luckily, Lake Mills has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Lake Mills, you'll need to stop your water service with the Lake Mills Light And Water, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.