New Water Service Installations

The subject information pertains to the following types of inquiries:

  • Changes in size or location of an existing water service or meter.
  • Installation of new water service to individual properties or to Subdivisions (Tracts or Parcel Maps) with no previous water service.


Change to an Existing Water Service

For a change in the size or location of an existing water meter or service connection, please complete the LACWD Information Sheet (Forms WW 172 and WW 174) and return it to our local office in Lancaster or Malibu or to our main office in Alhambra for review. For a request to reduce the size of a current water meter of an existing account, please complete the Meter Reduction Form - WW 171 and return it to the local office in Lancaster or Malibu for review. To increase the size of an existing water meter and/or service connection, follow the "new water service" procedures.


New Water Service

For new water service to properties, please provide the information requested on the LACWD Forms (New Service Connection - WW 172, Fixture Unit Determination - WW 174, Summary of Water Demands - WW 190, Customer Order Form - DPW 92-0004, copy of Grant Deed, Fire Department’s requirements, a plot plan, and subdivision requirements as applicable). A copy of the above forms is available at any Los Angeles County Waterworks Districts Office or click here to download PDF copies.

For new water service to single family residential, multi-residential, commercial and subdivision, please see the information in the LACWD How To Brochures.

For Registered Civil Engineers preparing water plans for water system improvements, LACWD has Title Sheets and Plans Sheets in AutoCAD format or Microstation format available on this page. LACWD Standard Plans can be downloaded online, or hard copies are available for purchase at the Los Angeles County Department of Public Works Cashier’s Office located at 900 South Fremont Avenue, Mezzanine Level, Alhambra, CA 91803.

There are also LACWD Boundary Maps available to verify if the subject property is within our service area. Click here for a map of the LACWD.


Annexation Information

For annexation into LACWD, please contact the Local Agency Formation Commission for the County of Los Angeles (LAFCO).


Address: LAFCO for Los Angeles County
700 North Central Ave., Suite 350
Glendale, CA 91203
Phone: (818) 254-2454
Fax: (818) 254-2452

Contact Information

For assistance, please contact the Engineering section at the following offices:

Main Office: (626) 300-4681
Lancaster Office: (661) 940-9270
Malibu Office: (310) 317-1388

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