Ramona Municipal
Water District
105 Earlham Street
Ramona, California 92065
(760) 789-1330 
24 hours
Fax: (760) 788-2202
TDD: (760) 789-9497

Office Hours : Monday - Friday
7:30 am to 4:00 pm





 San Diego County Water Authority






The Ramona Municipal Water District has compiled a list which contains the names of backflow prevention assembly testers doing business in San Diego County who have been certified by the American Water Works Association (AWWA) and/or the American Backflow Prevention Association (ABPA). The District has verified these certifications but makes no other representation concerned the qualifications of these testers. The listing is not intended as either an advertisement for these testers nor as a warranty by the District, express or implied.

Backflow Testers List

Backflow Testers Master List for 2019

Backflow Certification

Backflow Certification Form (.pdf)

Backflow Installation Specifications for Residential and Commercial Customers

Water Agencies' Standards (.pdf)
( Reduced Pressure Backflow Prevention Device)

Standard Specifications:

3/4" thru 2" device (.pdf)
3" and larger device (.pdf)

Backflow Testing Articles