Great Warranites
Every product we offer is backed by a competitive manufacturer’s warranty as well as a service & labor warranty to protect your investment. Experience unparalleled confidence!
10,000+ Customers
Your experience is our top priority. Since 1966, we’ve proudly served over 10,000 residents across Mid-Michigan and West Michigan. We’re confident in our ability to deliver exceptional service and look forward to serving you.
Quality Products
We partner with EcoWater Systems to deliver high-quality, American-made water treatment systems. Built for reliability and advanced performance, they ensure water you can trust.
Decades of Experience
At Heffernan Water, exceptional customer service is our priority. Our team provides personalized support and prompt, professional service to ensure your water treatment needs are met with care and expertise.
The Heffernan Water Difference
Our Water Treatment Services

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About Heffernan Soft Water
Heffernan Soft Water was founded in Hillsdale, MI in 1955. For over 70 years, we have helped local families and businesses improve their water quality. We currently service over 10,000 customers in Southern Michigan.
The staff is friendly and reliable. I ordered the salt delivery and they arrived during the scheduled time frame. The delivery person put the salt into my softener, and the delivery went without any issues.
Michael R.
We have been working with Heffernan for over 10 years now. Wouldn’t go to anyone else! They are honest, fair, hardworking and very quick to help when needed.
Janelle R.
Dean was very professional and was able to address the problem. I would recommend him and Heffernan. Why deal with bad water when you don’t have to!!
Carmen D.
He did a great job he answered my questions show me what I was doing wrong and we got it all taken care of thanks a lot great job.
Mort T.
See What Our Clients Are Saying
Great service, had a great vibe and attitude. Pinpointed the problem and had it solved and fixed within minutes.
Rocky B.
Customer service is exceptional, from the person on the phone to the guys who deliver!! Always very kind and helpful!
Kris F.
Very happy with our recent service. Had a small leak with our RO filter, tri country came out a couple days later and fixed quickly. Appears to have resolved the issue.
Derek N.
Taylor did a great job. Very nice man and personable. Great asset to have on your team.
Jeff P.
Tri-County Water provides a wide range of water treatment solutions, including water softeners, reverse osmosis systems, and filtration systems to address hard water, contaminants, and improve overall water quality.
Signs you may need water treatment include hard water stains, unpleasant odors or tastes in your water, or concerns about contaminants. Tri-County Water offers free water testing to help determine the best solution for your home or business.
Yes, Tri-County Water provides professional installation for all water treatment systems and offers ongoing maintenance and support to ensure your system continues to perform efficiently.
Absolutely. A water treatment system can reduce the need for bottled water, extend the lifespan of appliances by preventing scale buildup, and decrease the use of soaps and detergents, resulting in long-term savings.
Yes, Tri-County Water offers flexible financing options to make it easier for you to invest in clean, quality water for your home or business. Contact us to learn more about available plans.