Because it’s convenient: The wireless remote may be placed on a kitchen counter-top, stuck to the side of the refrigerator, or mounted next to the garage door opener. Because WaterDex is never out of sight, outdoor irrigation is never out of mind. By simply setting the WaterDex dial to any value between 0 and 100%, the entire outdoor irrigation system is easily controlled.
Because it’s a responsible solution: Retro-fitting to existing timers is less expensive than replacing timers, keeps perfectly good timers out of our landfills, and is more environmentally responsible.
Is WaterDex installation and operation really that simple?
What is the science behind WaterDex?
The Watering Index compares the average ET data for the most recent week with the highest average weekly ET value recorded over the last 10 years. The historical high occurs in July and equals 100% on the Watering Index.
The graph below shows a typical ET curve and the step-curve created from Watering Index values calculated over a twelve-month period. The third curve shows the water used when the irrigation schedule is adjusted just twice a year – a common approach for many people.
Think of the WaterDex remote control as a wireless Water Budget dial. Just as the Water Budget dial found on many timers, the wireless WaterDex dial may be adjusted from 0% to 100%. After installing WaterDex, the sprinkler timer is adjusted to the typical July/August settings which represent a Water Budget of 100%. The science behind WaterDex is in how to properly determine which value the WaterDex remote dial should be set.
One method for determining how to set your WaterDex is by implementing the Watering Index principal. The Watering Index principal is based on EvapoTranspiration (ET) and was developed by Mr. John Wynn of The State of California Department of Water Resources. Simply stated, the Watering Index Value is the current ET value for your area as a percentage of the highest average ET value over the previous 10 years. Once calculated, adjusting the WaterDex dial to the Watering Index Value is a simple way of adjusting your sprinkler system to local weather conditions.
Thanks to Noaa other weather resources within the United States we now have daily ET values at a 2 sq. km resolution for the entire country. By visiting the WaterDex website at http://www.waterdex.com and entering your zip code, your Watering Index is instantly and automatically calculated for you. Or, you may also choose to register to have your weekly Watering Index automatically e-mailed or sent via text message to your mobile phone once per week.
So implementing WaterDex still requires homeowner participation. Wouldn’t a completely automated device be more effective?
Our Water Agency is considering mandatory rationing as a method to reduce outdoor water consumption, how can WaterDex help?
We hope that the above information has answered some of your questions about WaterDex. The following links will provide you with information about specific Water Conservation Programs and program support materials that can be made available for your Water Agency. For additional information including wholesale pricing please contact us at +1 949 540 0645 or send an e-mail firstname.lastname@example.org.