Department of Water Resources Home

Water Loss Audits

Division of Statewide Integrated Water Management

Water Use Efficiency
901 P Street Sacramento, CA 95814-3515

Mailing Address:
P.O. Box 942836
Sacramento, CA 94236-0001

Validated Water Loss Audit Reporting

Water loss audits are now a coming permanent requirement. California Senate Bill 555, passed in October 2015, requires all urban retail water suppliers in the state to submit a completed and validated water loss audit annually to the California Department of Water Resources (DWR) beginning October 2017 (2015). Previously, Senate Bill 1420 established that urban water suppliers submit a report that quantifies water system losses with their urban water management plans. As a result of the previous legislation, the department will be establishing validated water loss audit requirements for the submittal of annual validated water loss audits.

2ND 15-DAY NOTICE FOR THE PROPOSED REGULATIONS FOR VALIDATED WATER LOSS AUDIT REPORTING

Below is information regarding the 2nd 15-Day Notice for the revised Proposed Rulemaking on Validated Water Loss Audit Reporting.

Notice of 2nd 15-Day Comment Period

Revised Proposed Regulations

Updated Informative Digest

COMMENTS RECEIVED DURING 2nd 15-DAY COMMENT PERIOD (6/16/17 to 7/3/17)

Arcadis, U.S., Inc.
Water Systems Optimization and Cavanaugh & Associates
Coalition Letter
Irvine Ranch Water District
Eastern Municipal Water District
Otay Water District
Padre Dam Municipal Water District
City of Poway
Valley Center Municipal Water District
Santa Fe Irrigation District
City of Oceanside
Olivenhain Water District
Helix Water District
City of San Diego
City of Santa Rosa
Vallecitos Water District
Kunkel Water Efficiency Consulting
NRDC & Pacific Institute
Carlsbad Municipal Water District

15-DAY NOTICE FOR THE PROPOSED REGULATIONS FOR VALIDATED WATER LOSS AUDIT REPORTING

Below is information regarding the 15-Day Notice for the revised Proposed Rulemaking on Validated Water Loss Audit Reporting.

15-Day Notice of Comment Period

Revised Proposed Regulations

Updated Informative Digest

COMMENTS RECEIVED DURING 15-DAY COMMENT PERIOD (5/18/17 TO 6/2/17)

Rich Farrington
San Antonio Water
Great Oaks Water Company
City of Los Angeles Department of Water and Power
Kunkel Water Efficiency Consulting
CA-NV AWWA
Arcadis, U.S., Inc.
Metropolitan Water District
NGO Joint Comments
ACWA
Water Systems Optimization and Cavanaugh & Associates
Regional Water Authority
California Legislatiors
Municipal Water District of Orange County

Regulations for Validating Water Loss Audits

Below is the original Draft Regulations for Validated Water Loss Audit Reporting Requirements, and an Initial Statement of Reasons that were sent out on March 3, 2017.

Draft Regulations for Validated Water Loss Audit Reporting Requirements

Initial Statement of Reasons

COMMENTS RECEIVED DURING 45-DAY COMMENT PERIOD (3/3/17 TO 4/17/17):

Regional Water Authority1
Regional Water Authority2
Town of Windsor
City of Santa Rosa
San Jose Water Company
Eastern Municipal Water District
City of Olivenhain
San Juan Water District
San Francisco PUC
California Municipal Utilities Association
Los Angeles Department of Water and Power
Irvine Ranch Water District
Great Oaks Water Company
Municipal Water District of Orange County
CA-NV AWWA
Water Systems Optimization and Cavanaugh & Associates
California Water Association
Arcadis
San Gabriel Valley Water Company
Association of California Water Agencies
California Water Service
San Diego County Water Authority
Natural Resources Defense Council
Public Hearing 4/17/2017

California-Nevada Section of American Water Works Association Technical Assistance Program

CA-NV AWWA is leading a broad group of stakeholders that came together in 2015 to combat water loss in California. The California Water Loss Control Collaborative includes utility personnel, industry organizations, non-profits as well as state entities. The goal of the Collaborative is to improve knowledge of non-revenue water and provide technical assistance to utility personnel in the identification and control of real and apparent distribution systems water losses. As stipulated in the legislation, participation with the technical assistance program will result in a validated water loss audit that meets the October 2017 requirements. This program is currently a clear way to achieve compliance with the SB 555 for the first year. For more information, click here!

The State Water Resources Control Board provided the $3.2 million in funding that resulted in the formation of a Water Loss Technical Assistance Program (Water Loss TAP).

Water Loss Audit Resources

Technical Assistance with Leak Detection

DWR’s Regional Offices have leak detection equipment available for short-term loan to a water agency and will provide assistance to local water agencies seeking to conduct a water audit and leak detection survey of their distribution system. Please click here to learn more about the regional office in your area available for leak detection assistance.

http://www.water.ca.gov/wateruseefficiency/wlaudits/

If you are interested in the draft regulations for validated water loss audits and would like to be placed on an interested party list for this effort, please send an email address to Todd Thompson at todd.thompson@water.ca.gov.

If you have any questions regarding validated water loss audits, please contact:

Todd Thompson, Civil & Agricultural P.E.
Senior Engineer, Water Resources
Department of Water Resources
(916) 651-9255
todd.thompson@water.ca.gov