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Research About Water Conservation Products & Best Practices
To learn about the latest in water-efficient technology, click on one of the categories below:
Commercial Food Services
Faucets have not been a primary focus of water efficiency advocates, given that the Energy Policy Act (EPAct) of 1992 and subsequent EPAct legislation have limited faucet flows to 2.2-gpm (at 60 psi). It is only now that serious attention (by the U.S. EPA's WaterSense product labeling program) is again being given to residential faucets and the possible new opportunities for further efficiencies. Commercial and Residential Faucets High-Efficiency Clothes Washers (HEWs) High-efficiency clothes washers (HEWs)
utilize technological advances to deliver excellent wash performance
while saving both water and energy. Resource efficient models use 35 -
50% less water. This reduction in water use means less energy needed to
heat the water (approximately 50% less energy). Over 100 models of
residential and commercial high-efficiency washers are offered by
companies such as Continental, Dexter, GE, Huebsch, Maytag, Speed
Queen, Staber, Unimac, Wascomat, and Whirlpool. High-Efficiency Clothes Washers (HEWs) Research and Savings Studies | Water Agency Pilot Programs | Medical and Health Care Systems Health care delivery in the U.S. has certainly become a "high-tech" industry sector. Whether in the dental office, the clinic, the physician's office, or the hospital, equipment is sophisticated and evolving. And some of the older equipment uses exceedingly high amounts of water, usually for cooling. Technologies designed to replace the traditional "once-through" cooling are making their way into some of this equipment. Moreover,
the health care industry sees the benefit of the "GOING GREEN" and has
developed the Green Guide for Health Care, which addresses wateruse
within the industry's facilities. Medical and Health Care Systems This study addresses four of candidates of best management practices: 1) Residential and small commercial weather-based irrigation controllers 2) Pre-rinse spray valves for the food service industry 3) Steam sterilizer retrofits 4) X-ray film processor recycling units Download the report: - PBMP Report- Year One (PDF) 1) On-Premise Laundries Download the report: - PBMP Report- Full Year Two Report (PDF - 4.46 MB) Potential Best Management Practices (PBMP) Reports The American Housing Surveys for the U.S. (1985 to 2003) confirm an increasing trend in the installation of dishwashing appliances. 58% of all housing units possessed automatic dishwashers in 2003. At the same time, 88% of all new housing stock (4 years old or less) were being equipped with them. Residential Dishwashers Residential Hot Water Distribution Distribution of hot water within residential dwellings has become one of the "hot topics" in water conservation circles! Residential Hot Water Distribution Toilet Fixtures High Efficiency Toilets (HETs) | Drainline Studies | MaP and UNAR | Plumbing Standards | Ultra Low Flow Toilets (ULFTs) | Flappers & Flush Valve Seals Toilet fixture replacement represented one of the most popular water efficiency initiatives of the 1990s, as drought conditions motivated water providers to implement water conservation programs. In these programs, older 3.5- and 5.0-gallons per flush (gpf) toilet fixtures in residences were replaced with 1.6-gpf fixtures. Today, many water providers with aggressive replacement programs are approaching a level of "saturation" in their residential sector wherein the majority of residential toilet fixtures are 1.6-gpf models. Therefore, many water providers have moved on to other priorities in their conservation programs. Toilet FixturesUrinal Fixtures High Efficiency Urinals | Non-Water Urinals Different types of flushing urinals have existed in North America for many years with little technological change. In the early 1990s, however, the introduction of the first non-water urinal in the U.S. changed the perspective of water efficiency proponents. Since that time, hundreds of thousands of non-water urinals have been installed here, savings millions of gallons of water each year. Today, manufacturers are developing and refining urinal models that flush at 0.5-gpf (1.9-liters) and below, some with as little as 1-pint of water (0.5-liters). Urinal FixturesVehicle Washing There are certain questions that always seem to arise when "conservation" of water becomes a local issue. A number of studies have been completed over the years that describe what new technologies and practices are available to that sector. Vehicle Wash Facilities Wet Cleaning The replacement of traditional dry cleaning practices in the the South Coast Air Basin with alternative technologies is underway. Read about the background for this dramatic change in the way clothing will be cleaned: Wet Cleaning Background Information & Wet Cleaning Learn more details at the California Urban Water Conservation Council
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