Intelligent Water Management Systems Usher in a New Age for Water
By Doug McCall, director of marketing, Sensus
Water utilities are choosing intelligent water management solutions to maximize the efficiency of the entire water distribution system as global demand for water steadily increases and supplies are strained. Based on the current rate of consumption, a global water shortage of 40 percent is estimated by 2030.
For water utilities trying to strike a balance between consuming and conserving water, the impetus to find more intelligent solutions for water management is great. Many water utilities operate at a financial loss each year, as unaccounted for water usage due to inaccurate meters and aging infrastructure translates to an untold amount of lost revenue.
One in three utilities is in deployment
A 2010 Oracle study found that one in three water utilities were not only in some phase of implementing a smart water program, but that these respondents viewed early leak detection, supplying customers with tools to monitor and reduce water use and reducing overall water demand as the most important benefits of these systems.
Water conservation benefits of an intelligent water management system were almost immediately evident in the City of Santa Maria, Calif. Santa Maria began implementation of an intelligent water management system in 2010 with a 45-day pilot program that quickly identified leaks in approximately three percent of test homes. In the first eight months after broader system deployment, city officials estimate they saved more than eight acre feet, or more than two million gallons of water, reducing the amount of water Santa Maria needed to purchase from the state. Santa Maria customers also realized the cost benefits and savings provided by leak detection.
In addition to Santa Maria, water utilities across the country including the Albuquerque-Bernalillo County Water Utility Authority, Garden City, Kan. and the Town of Cary, N.C. are implementing intelligent water management technologies that help maximize resources, conserve water and boost operational efficiency and customer engagement.
Increased operational efficiency
Intelligent water management systems offer utilities benefits such as increased operational efficiency and strengthened customer engagement. Leak detection and building consumer awareness of water usage are two benefits of deploying intelligent water management solutions that will sustain and improve quality of life for communities around the world.
Another California city, Redwood City, sought a more aggressive water conservation solution in 2008. A three-year drought stressed the volume of water Redwood bought annually from the San Francisco Public Utilities Commission for its 83,000 water customers.
In lieu of heavy rationing or overuse penalties, Redwood City officials developed the “Budget-Based Rate Program” to empower landscape customers to make proactive changes in their consumption by creating tiered pricing based on daily conditions and each landscape customer’s anticipated activities for the day. Redwood City deployed a real-time metering solution built upon the Sensus FlexNet communications network to provide customers information on their water usage and rate pricing data to support informed decisions about water usage.
Customer engagement pays off
Redwood City’s program encouraged customers to conserve water and stay in line with water budgets to pay the least of three rate tiers for water. Redwood City created a web portal to calculate each irrigation customer’s water budget based on weather patterns and anticipated activities for the day, considering factors including the size of a property and whether there was a swimming pool or landscape design requiring additional water. The system also enabled Redwood City to establish an email module alerting customers of potential overuse or continuous leaks.
With these tools, Redwood City was able to save more than 80 million gallons of water in a year and some customers were able to save as much as $50,000, becoming a prime example of how intelligent water management can facilitate water conservation and empower water utility customers to make smart choices about water consumption.
Water consumption evaluation needed
Due to major global changes, less than 10 percent of the world’s freshwater supply is available for domestic use, necessitating a reevaluation of how the world delivers and consumes water. Intelligent water management will help modernize water utilities and prepare for a world where cost, legislation, and supply dictate changes in our relationship with water.