Ephraim Well Water Testing is a State Certified testing facility for bacteriological analysis of potable well water which is recommended by the Environmental Protection Agency (EPA) to be tested annually. The bacteriological testing is the presence and absence of Total Coliform bacteria and E-coli. We provide bacteriological testing for both private and public well water. Additional tests of your well water can be provided by calling the lab facility for more information.

For your convenience sample bottles and forms can be picked up at our facility 24/7. We also have sample bottles and forms available for pickup at various locations around Door County. Call to find out the nearest pick-up site located to you. The cost of a bacteriological test is $30.00.

November 1 - May 1, the Ephraim Wellwater Testing Lab will not be accepting samples on Fridays.