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Trusted Water Treatment Company in Maple Valley


Maple Valley residents receive expert water treatment solutions from Pure Water NorthWest, specializing in filtration system installation, well water testing, and maintenance tailored to rural and suburban water quality challenges. Our certified technicians use American-made products to ensure water safety, great taste, and protection from harmful contaminants and mineral-related issues.

About Maple Valley
Maple Valley has grown as a peaceful suburban city with natural parks and outdoor recreational facilities, supporting an active community lifestyle.

To get to the airport From Maple Valley, take SR-169 N to I-405 N and then I-5 N toward Seattle-Tacoma International Airport; approx. 50 minutes.



Our Services
Well Water Testing Services
Water Treatment Maintenance Program
Post-Construction Water Chlorination
Daycare & Real Estate Compliance Testing
Pure Water Northwest Filter Store


Our Service Area
Maple Valley, Covington, Black Diamond, Covington
Address: 10811 NE State Hwy 104 Ste 101 Unit 316, Kingston, WA 98346, United States
Phone: 360-908-8947
Hours: Monday-Thursday 9am-4pm Friday 9am-6pm

Additional Resources 
About Pure Water Northwest – Water Purification Experts in Kingston, WA
Kingston, WA Water Quality Report
Customer Reviews – Water Filters & Softeners in Kingston, WA
Pure Water Northwest Blog & Resources
Special Offers on Filters & Softeners in Kingston, WA

Get In Touch!
Contact Pure Water NorthWest