Love it! I have crystal clear water. Mark was super quick with everything. Terrific sale from a terrific guy. Thanks! I've had this for 8 months now. Water is still crystal clear. Very happy with the service! As of today (4/19/24) everything is still working great. Service is still top notch!!! 7/23/24... Water is still clear. Service is great. No complaints! 11/13/24.. It's been 2 years since my equipment was installed and the water still looks great! I've had no issues/problems and service is still top notch. So... if you have icky, rusty water don't hesitate to call Mark at Advanced Water Treatment! 3/11/25.. No issues to date. Still great water and continued "over the top" service by Mark! Thanks! This lil ole lady is super happy! 7/31/25.. I've lived here for over 45 years. We had crystal clear water for about 15 years from the well when we moved in after building the house and after that (for 25+ years) I went through a process of having to find/use a water system that started out good for a few months and then gradually turned in to brown water again. And watching the price go higher for a service that I definitely was not getting. Since finding out about Advanced Water Treatment and purchasing their system it's still crystal clear and the service is still top notch. 10/20/25. Nothing has changed with my water or the service I received from Mark/Advanced Water Treatment! In fact, I was just thinking this morning how amazing it is that after 2.5 years my awful water is still being treated with amazing results! 3/10/26 If you are having issues with your water you need to think about getting this outfit to come out. As a widow of going on 7 years now I am glad that this is something I do not have to worry about since I don't have a husband to take care of it. Advanced Water Treatment has cleared up my water and is keeping it that way. 6/29/26 Still no complaints. Still receiving AAA+++ service.

Have worked with these people for many years. Excellent work! Had them replace my softener today

Professional and personal. Goes out of his way to make sure you are satisfied.

Mark with Advanced Water Treatment is the best. Polite, honest, on time, gets the work done and leaves the place spotless.

Mark at Advanced Water Treatment did an outstanding job with the reverse osmosis installation. He's friendly, professional, and local to the Duluth area. His price was also better than his competitors. I highly recommend using his business.

Mark of Advanced Water Treatment does a fabulous job. We used his services to improve water quality and he exceeded our expectations. The attention to detail was much appreciated as he matched our reverse osmosis water line to my kitchen faucet and it looks great. Little things like this make a BIG difference. The best thing about AWT is that they are punctual and you can trust them. We wouldn't go anywhere else for our water needs.

Everyone should use this company!

Mark was incredibly helpful with testing our water and installing a while home filtration system. He was knowledgeable, kind, and efficient. I would definitely recommend Advanced Water Treatment!

Advanced water treatment's service plan gives us one less thing to worry about! It is very convenient to have them service our water system on a regular schedule. Thanks Mark!

Mark was knowledgeable and extremely helpful.

Excellent service within one day for repairs to a valve we accidentally broke on the front of our system. Thanks, Mark!

Mark was our technician, providing helpful, informative, and friendly service. While corporate giants may have their place in the world, we were proud to make our water system purchase from a smaller, locally owned outfit. We accidentally knocked a hose and valve off of our system, and Mark came over within a day and fixed it. Thanks, Mark!

Great service and communication

Extremely professional. Excellent communication. Our water tastes great now!! Thank you so much Mark.

Mark did a great job