City of Tumwater, WA
Home Sitemap ContactLicensed backflow installers and testers for cross connections
The safety and preservation of our water supply is one of our highest priorities as your water purveyor. The businesses below provide installation and inspections for property owners in the City of Tumwater's Cross Connection Control Program. For the safety of the community water supply, inspections are required annually.
Backflow installers and testers with a Tumwater Business License
| Contractor | Location | Phone number | Email address |
| American Backflow Services | Olympia, WA | 877-950-2468 | |
| Clearwater Utility Services LLC | Tumwater, WA | 253-212-5433 | Tim@clearwaterutility.com |
| Archer Construction Inc. | Kent, WA | 253-872-7222 | info@archerconstruction.com |
| Backcountry Backflow | Lacey, WA | 360-489-9828 | office@backcountrybackflow.com |
| Biscay's Irrigation & Backflow | Olympia, WA | 360-789-6549 | mjbiscay@yahoo.com |
| Backflo Pro's Inc. | Tumwater, WA | 360-951-6130 | |
| Backflows Northwest | Renton, WA | 253-720-0262 | office@backflowsnorthwest.com |
| 1st Choice Testing | Bellevue, WA | 425-273-3106 | office@1stchoicetesting.com |
| Advanced Backflow & Cross Connection LLC | Olympia, WA | 360-701-9963 | scoke1262@gmail.com |
| Knight Fire Protection Inc. | Olympia, WA | 360-786-8606 | |
| Lacey Backflow & Irrigation | Lacey, WA | 360-216-9094 | laceybackflow@comcast.net |
| Lanes Quality Service | Lacey, WA | 253-229-8386 | hobber2001@hotmail.com |
| DM Backflow Testing LLC | Tacoma, WA | 253-227-8858 | dmbackflow@hotmail.com |
| MCLM, LLC | Tumwater, WA | 360-970-5721 | shawn@mclmlandscape.com |
| The Bathroom LLC | Olympia, WA | 360-866-4041 | thebathroomplumbing.com |
|
Precision Backflow Testing |
Rochester, WA | 360-789-2258 | precisionbackflowtesting@outlook.com |
This list is provided as a courtesy to our water customers. City of Tumwater does not intend for the list to be a recommendation, does not have any control of the charges for testing or repair of backflow assemblies, and expressly disclaims any responsibility for the quality of work or any other aspect of those listed. Customers are strongly encouraged to obtain competitive bids.

