Ensure the safety of your private water supply with a well water test!

Well Water Program

Due to the Coronavirus, our staff are working remotely. If you need to get a water test done, please email Nancy or call 585-394-3977 x 427 and leave a message on the phone with you name, address (mailing), phone number, and you will receive a call, as we are monitoring our emails and phone messages. Arrangements will be made with you to pick up the packet at our office.  The lab is still working.


Ontario County residents can test their well water for potability (coliform bacteria and E.coli) through our Well Water Testing Program.


Choose one of the following tests:

  • Total Coliform / E.coli (positive / negative) results: Cost $40.00 
  • Total Coliform / E.coli (positive / negative) and nitrates (enumerated): Cost $65.00

Bottles and complete instructions can be picked up at  Cornell Cooperative Extension, 480 North Main Street, Canandaigua, NY.

Quick synopsis of the well water testing program:

  • Pick up bottles and instructions at CCE Ontario
  • Follow directions to draw a sample from your kitchen sink faucet to test. 
  • Deliver samples to the drop-off point at the City Mini Storage Office Building in Canandaigua for Life Science Laboratories (a New York State Certified lab). 
  • Drop off times: 9:00 am to Noon, Monday through Thursday. Samples are not accepted at any other time.
  • Pay for the testing you requested when water sample is dropped off. It is on the lab Chain of Custody Record.
    Total Coliform / E.coli (positive / negative) results: Cost $40.00
    Total Coliform / E.coli (positive / negative) and nitrates (enumerated): Cost $65.00 
  • Make checks payable to Life Science Labs and leave with your water sample. Credit cards are not accepted.
  • Cornell Cooperative Extension-Ontario County will receive a copy of your results when you do. 

If you have any questions about the well testing program, please call Nancy at 585-394-3977 x 427 or email Nancy with your questions.  Thank you for taking this important step to ensure the safety of your private water supply!


Nancy Anderson
Senior Administrative Assistant
(585) 394-3977 x 427

Last updated September 16, 2020