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Water Standards

StandardDescriptionDate Approved
W-0​​Water Standard Index List​​​​​May 30, 2013​​​
W-1​3/4" x 1" OR 1" service assembly​​August 18, 2021​
W-2​1 1/2" or 2" water service assembly​​August 18, 2021​
W-3​3" & 4" meters with 2" by-pass​​February 27, 2020​
W-4​6" & 8" meters with 2" by-pass​​February 27, 2020​
W-5​Standard Main Testing and Disinfecting​​January 12, 2011​
​​W-6​​​Typical trench detail​​May 9, 2006​
​​W-7​​​Thrust Blocks​​March 22, 2005​
​​W-8​​​Pipe support​​March 22, 2005​
​​W-9​​​Pipe concrete encasement​​March 22, 2005​
​​W-10​​​​Valve assembly, box, cover
Identification and valve stem extension​​
​​August 10, 2021​​​​
​​W-11​​​Fire hydrant assembly​August 10, 2021
​​W-12​​​Fixed post barrier​March 22, 2005
​​W-13​​​2" Blow-Off assembly​October 15, 2012
​​W-14​​​Air and vacuum assembly (1" & 2")​February 8, 2021
​​W-15​​​​​B​ackflow prevention assembly
Double check valve​​
​July 14, 2020​
W-16​Water and sewer separation​July 14, 2020
W-17​4" Blow-Off Assembly​October 11, 2012
W-18​4" Combination Air Vacuum and Air Release Valve Assembly​March 9, 2021
W-19​Water Utility Spacing & Clearances​April 14, 2016
W-20​ALW Valve Can Cover Color Code Chart​June 2. 2021
W-21​Meter Manifold Assembly​August 16, 2021
W-22​Ductile Iron Class 350 Pipe​August 18, 2021
ALW​​​​General Notes​​​July 22, 2021
ALW Title BlocksUpdated​Date Approved​
City of Azusa (PDF)City of Azusa (DWG)January 22, 2025 
City of Covina (PDF)City of Covina (DWG)July 22, 2021
City of West Covina (PDFCity 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
  1. Azusa County CA Homepage

  1. City of Azusa

  1. 213 E Foothill Boulevard

  1. Azusa, CA 91702

  1. Phone: 626-812-5200

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