#1
Advanced Water Softening
“Received a quick appointment for salt delivery after noticing we were pretty low. Delivery driver showed up earlier than expected & took care of the issue quickly. Thanks!” — Google review
Best Water Purification Services in Kinnelon, NJ
The 10 best-rated water purification services in Kinnelon, NJ average 4.9★ on Google across 4,106 reviews. Aqua Doctor NJ has the top rating (5.0★), and Mark Lindsay and Son Plumbing, Heating & Air Conditioning has the most reviews (1,752). Updated October 25, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (4,106 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Aqua Doctor NJ
“Johnny is the best, genuinely cares about people and does business with pure integrity. These guys go ABOVE & BEYOND. We installed whole house, custom water filtration system. Super professional and knowledgeable,…” — Google review
#3
Passaic Bergen Water Softening
“We had Stephen come to check our water softener and change our whole house filter. He was very friendly and helpful. Service was excellent. Very happy with our service!” — Google review
#4
The Water Spot
“As first timers, we appreciated how Diego explained how everything works and even showed us the purification process, which was amazing to see. They also deliver, which made it so easy. The water tastes great, and…” — Google review
#5
Mark Lindsay and Son Plumbing, Heating & Air Conditioning
“Excellent customer services! Very respectful employees who thoroughly check your systems so they work at full optimal capacity. Check to make sure you were happy with their service. Something that you rarely…” — Google review
#6
Tomahawk Professional Services LLC
“Ronald and Andrew took care of our five floor building with only two days notice… They were In and out in about 2 1/2 hours, with great, positive attitudes despite working in the June-heat with their steam cleaner” — Google review
#7
Passaic Bergen Water Softening - Newfoundland
“Excellent Water softening company we installed few years ago rhey ensure you understand the best system for your family. Very pleased with our water filtration system. Staff was Professional Friendly Christine/ staff…” — Google review
#8
A1 Water Conditioning & Solutions
“Excellent communication, well educates the consumer Of the issue of why it’s needed. I was at the end towards my closing of my home when I found out this was needed. After explaining my situation to the owner of the…” — Google review
#9
Culligan Water of New Jersey
“We love the equipment we have from Culligan - a whole house water filter, a second filter for the kitchen sink, a water softener, and a leak detection sensor in the basement. The company is very reliable, and the…” — Google review
#10
Blue Star Pure Water - Belleville Store
“I love the water; it is really very refreshing, and I will continue to purchase it. Everything with my delivery went well. They delivered quickly. I just would have liked the delivery to be made earlier during the day.” — Google review
How we pick water purification services in Kinnelon
We scan Google Maps for water purification service listings in and around Kinnelon, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated water purification service in Kinnelon?
Aqua Doctor NJ has the highest Google rating on our Kinnelon list: 5.0 out of 5 from 111 reviews (as of October 25, 2026).
Which water purification service in Kinnelon has the most reviews?
Mark Lindsay and Son Plumbing, Heating & Air Conditioning has the most Google reviews among the companies listed here: 1,752, with a 4.8★ average.
How are these water purification services chosen?
Only open Kinnelon-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.