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nozzles for our customers David Pettijohn LADWP Director of Water Resources said. The DWP also offers incentives for installing water-efficient toilets appliances and irrigation infrastructure. In a phone interview Cogdill pointed out that new housing construction is minimal in comparison to the existing housing stock. There are about 13.6 million residential units both single-family and multi-family in the State of California right now and were building at the current pace of about 100000 new units a year he said. You can see that is a very small fraction. In addition to finding ways to improve water conservation among the existing hous- ing stock Cogdill and the CBIA support ad- ditional measures to promote water conservation in new construction. While new homes are roughly twice as water-efficient as homes built in 1980 that is largely to do with measures implemented inside homes Cogdill said. The next area that everyone is focusing on is outdoor ornamental landscaping he noted. Governor Jerry Browns statewide water conservation mandate issued in April 2015 prohibits new homes from using potable water to irrigate landscaping except with certain water-efficient systems. According to Kevin Wattier General Manager of the Long Beach Water Department who has more than 20 years of industry experience lawn watering accounts for about half of household water consumption in the state. Wattier said that new homes do not increase water demand at all if they are properly designed with efficient inside plumbing. Reducing lawn watering stands to make a bigger impact. The CBIA and local water agencies are partnering with Brown to develop a model landscape ordinance which would outline best practices for California-friendly landscaping and outdoor irrigation. We need to utilize landscaping that is drought tolerant Mike Markus General Manager of the Orange County Water District OCWD emphasized. When asked what the biggest source of water waste is in California he responded People over-irrigate their lawns. We really havent seen water demands go up over the last 20 years Markus said. It has been pretty flat and thats because we have done a nice job so far in putting in low-flush toilets low-flow showerheads and those types of fixtures inside the house. But what we have ignored is what we have done outside the house. The Orange County Los Angeles and Long Beach water departments all offer incentive programs for residents to replace their lawns with drought-friendly landscaping for that reason. Whether or not housing development will be restricted in California may be determined based upon access to water. Long Beach for example has groundwater rights as well as rights to water supplies from the Metropolitan Water District that essentially ensure housing development wont be hindered according to Wattier. Also the city recently hit its lowest demand for water since 1958 due to educational outreach he noted. But not all water districts have such benefits. Markus noted that the OCWDs basin is about 80 percent empty. Still thanks to the districts innovative water recycling program he is confident the OCWD can continue to supply water retailers serving Orange County cities. Markus was matter-of-fact about whether or not a continuing drought would affect developers. I think that there will be an impact on development he said. The drought itself is already causing billions of dollars in economic impact so we dont need to exacerbate that Cogdill cautioned. Restricting housing develop would hold back an industry that provides 200000 jobs statewide and generates close to 40 billion in economic activity he said. Cogdill pointed out that 40 percent of the states water is used for agricultural purposes while only 10 percent is designated for residential use. The remaining 50 percent is used for environmental purposes such as rivers and wetlands. It might be prudent he suggested to determine whether or not we need to make some adjustments there that could provide some relief for human consumption on the other end of it. I 27 The Aquarium of the Pacific in Long Beach recently added drought resistance plants at its entrance. This photograph at Lake Mead is a reminder of the water crisis impacting California. If every existing home in California were retrofitted with the most recent building and plumbing building standards over 300 billion gallons of water could be saved annually. Dave Cogdill CEO California Building Industry Association 2015_OlsonCompanyInTownLiving_PortAnniversary 8815 118 PM Page 27