Sammamish Watershed

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Sammamish Plateau Water District

Water supplier in Sammamish, United States
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The Sammamish Plateau Water and Sewer District is a regional water and sewer utility located in Sammamish, WA.

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Frequently asked questions

Q:
Who can test my backflow assembly?
A:
Testing can only be performed by a Washington State Department of Health certified backflow tester. A copy of the test report must be sent to the District and a copy...
A:
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