Water Loss News

State Policies to Track and Reduce Leakage from Public Water Systems

Author: Luke Sires/Monday, February 22, 2016/Categories: Water Loss

Every water system leaks. Altogether, billions of gallons of water are lost every day from U.S. drinking water systems. As states and communities contend with the twin challenges of an aging water infrastructure and a changing climate, leaky water systems threaten the quality and reliability of our drinking water.

Some states are leading the way by requiring best practices for estimating, locating, and reducing leaks. Yet many states and cities are not acting and remain woefully uninformed about the true volume of water losses beneath their streets. Click here to read more and view the interactive map.

Number of views (3688)/Comments (0)

Tags:

Water Loss Control Resources

Water Audit II Webinar Series - May 2016
View the three part series focused on the AWWA Water Audit Software, data validity, and the Water Research Foundation Component Analysis Tool. Completing the training with this webinar meets the BMP 1.2 AWWA Water Audit Software and Component Analysis training requirements.

Session 1: Water Audits and Data Validity
Session 2: Water Audit Hands-on Training
Session 3: Component Analysis Training

Water Loss Control Collaborative

The Partnership, works in conjunction with the CA-NV Section of AWWA and other organizations to lead an effort to reduce statewide water loss through water loss training, as well as water audit preparation and validation support.  Click the above link to learn more.

Introductory Water Loss Workshops

Additional workshops aimed at users who are new to the AWWA Water Audit, audit methodology or water loss control methods are also in the works. Check back with our calendar for more updates on all workshops.  Until these workshops are available, the Council offers a 3 hour on-demand Water Loss Workshop webinar recording - see details below.

Water Loss Reporting and UWMPs

Reporting to the Department of Water Resources:
On September 19, 2014 Governor Jerry Brown recently signed several water-related pieces of legislation.  SB 1420 (Wolk) and AB 2067 (Weber) are related to Urban Water Management Plans.  SB 1420 and AB 2067 amend the California Water Code to require that Urban Water Management Plans include analyses of distribution water losses, and a narrative description of water demand management measures currently being implemented or scheduled for implementation (including the steps necessary for their implementation) to achieve the agencies' “20x2020” water use reduction targets.

Council member agencies on track for implementing best management practices as described in the Council Memorandum of Understanding may already be headed toward compliance of these new laws. Agencies who have completed their BMP 1.2 water audit reports have done most of the work toward quantifying their water losses for their UWMP, and agencies on track with BMP implementation are already deemed in compliance with AB 2067.

Recent Legislation:
SB 555 (Wolk) – SB 555 targets water loss reduction from leaks and breaks in urban water suppliers’ distribution systems by requiring them to submit validated water audits annually to DWR.  The bill requires the SWRCB to adopt performance standards for the volume of water losses between 1/1/19 and 7/1/2020. 

Reporting to the Council:
Council reporting requirements for BMP 1.2: Water Loss Control Programs are include submitting annual AWWA water audits every two years, and other requirements as listed in the MOU Exhibit 1, Utility Operations Programs (page 22).

Component Analysis

After agencies have completed a water audit analysis, preferably with a data validity score of 60 or greater, the next step to developing a pro-active water loss control program is to conduct a component analysis.  "A leakage component analysis disaggregates the total volume of real losses as calculated in the “top-down” water audit into its three components: Background Leakage, Unreported Leakage, and Reported Leakage. By combining the component analysis with an evaluation of least cost real loss reduction strategies it is possible to calculate how much of each leakage component can be economically reduced through the right combination of intervention tools."  (Real Loss Component Analysis: A Tool for Economic Water Loss Control, page 19)

The Water Research Foundation in partnership with the EPA and Water Systems Optimization developed a real loss component analysis tool developed by - WRF project 4372. The project "provides water utilities with an analysis tool to better understand the sources of their real losses (reported, un-reported, or background) and a means of analyzing their economic intervention strategies."  

The Component Analysis tool is developed to work with data from the AWWA Water Audit Software. The WRF project page includes links to download the free component analysis tool, and the research report. Use of the WRF Component Analysis tool is not required for the Council's BMP reporting, but it may be a helpful tool for agencies looking to complete a component analysis as required by BMP 1.2 by year 4.

The WRF project 4372 page includes a link to view a webinar recording demonstrating the tool, the Leakage Component Analysis Model, and a Leak Repair Data Collection Guide.

Resources

AWWA Free Water Audit Software
This FREE Water Audit Software allows water utilities to compile a preliminary audit in the standardized and transparent manner advocated by AWWA.  Version 5.0, is now available from AWWA.

Real Loss Component Analysis Tool
The Water Research Foundation in partnership with the EPA and Water Systems Optimization developed a real loss component analysis tool developed by - WRF project 4372. The Component Analysis tool is developed to work with data from the AWWA Water Audit Software. The WRF project page includes links to download the free component analysis tool, the research report, and a webinar recording.

AWWA WAS v5

Basic Water Audit Webinar Recording 
This 3 hour on-demand Water Loss Webinar Workshop to help agencies meet the BMP 1.2 training requirements. Two out of the three sections of this webinar are presented in a new and updated series Water Audit II.  Completing the training with this webinar meets the BMP 1.2 AWWA Water Audit Software and Component Analysis training requirements. If your agency has already signed up for the original webinar or the recording, we can provide free access to the recording.  To verify your agency's prior registration please contact us.