Water Standards

StandardDescriptionDate Approved
W-0Water Standard Index List
May 30, 2013
W-1
3/4" x 1" OR 1" service assembly
November 29, 2018
W-21 1/2" or 2" water service assembly
November 29, 2018
W-33" & 4" meters with 2" by-pass
February 27, 2020
W-46" & 8" meters with 2" by-pass
February 27, 2020
W-5Standard Main Testing and Disinfecting
January 12, 2011
W-6Typical trench detail
May 9, 2006
W-7Thrust Blocks
March 22, 2005
W-8Pipe support
March 22, 2005
W-9Pipe concrete encasement
March 22, 2005
W-10

Valve assembly, box, cover
Identification and valve stem extension

May 9, 2006
W-11Fire hydrant assembly
May 9, 2006
W-12Fixed post barrier
March 22, 2005
W-132" Blow-Off assembly
October 15, 2012
W-14Air and vacuum assembly (1" & 2")
February 8, 2021
W-15

Backflow prevention assembly
Double check valve

July 14, 2020
W-16Water and sewer separation
July 14, 2020
W-174" Blow-Off Assembly
October 11, 2012
W-184" Combination Air Vacuum and Air Release Valve Assembly
March 9, 2021
W-19Water Utility Spacing & Clearances
April 14, 2016
W-20ALW Valve Can Cover Color Code Chart
June 2. 2021
ALWGeneral Notes
July 22, 2021
ALW  Title Blocks
Updated 
City of Azusa (PDF)City of Azusa (DWG)July 22, 2021
City of Covina (PDF)
City of Covina (DWG)July 22, 2021
City of West Covina (PDF
City of West Covina (DWG)July 22, 2021
City of Irwindale (PDF)
City of Irwindale (DWG)July 22, 2021
LA County (PDF)LA County (DWG)July 22, 2021