Contact the Backflow Department

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First Name*

Last Name*

Customer Number*

Your customer number is on your Marin Water bill.

Please enter a number from 0 to 1000000000.

Service Address*

Street Address Apartment Number City ZIP Code

Phone Number*

Email*

Do you currently have a backflow assembly?*

Yes

Don’t know

Backflow assembly serial number

Purpose of contact*

Additional information

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