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Frequently Asked Questions

California Water Supply Status 

Below are some Frequently Asked Questions regarding California’s Water Supply status.

What is a drought? 

A drought is defined as a prolonged period with less-than-average amounts of rain or snow in a region. Drought severity is calculated from the amount of time that the region receives below-average precipitation. Variable climate in Southern California has become the norm. During previous times of drought, California residents have successfully used water efficiently, and have adopted a water-smart lifestyle even during normal to wet years. For more information regarding current drought status, visit

What is the current drought situation in the State?

Thanks to record-breaking winter storms, California this spring was able to go from a historic drought to a water supply surplus. It is part of our cyclical water supply patterns that are normal and that water agencies prepare for.

Due to the heavy winter storms, California has removed a vast majority of its drought regulations.

The Colorado River system, which supplies a portion of the water EMWD receives from MWD, is still facing historic lows and it is anticipated that cuts could be made to that system in 2023.

EMWD’s current drought stage information can be found here

How is EMWD preparing for these periods? 

Water providers in the Inland Empire and across the State continually and proactively strive to use water efficiently and invest in projects to maximize water quality and supply. EMWD plans ahead for investments that reduce impacts of prolonged dry periods. By investing before cyclical dry conditions begin, your water supply is protected during variable weather periods. Customers, water providers and policy makers are at the front lines of water use efficiency and have supported investments in water supply resiliency across the region.

Is the availability and quality of my water the same during times of drought?

Yes, EMWD works diligently in both wet and dry years to provide high-quality water to your tap each day. Water providers prepare supplies for times of drought while meeting or exceeding State and Federal water quality guidelines, ensuring you have access to this essential resource when and where you need it.

Should I be using water efficiently?

Yes! During both wet and dry years, we encourage customers to use this resource wisely. Your water travels a long journey to your tap, and each drop counts to keep supplies ample for times of greater need. Individual water use efficiency coupled with investments and programs by water providers keep our region well-prepared, no matter the conditions. To learn more about efficiency measures including tips, rebates and more, visit the links below:

What water-use restrictions are currently in place? Are there penalties for using too much water?

We like to say that water use efficiency is a way of life living in the Inland Empire. We support common-sense water-use practices that many of our customers already implement in their day-to-day lives. In addition to these practices, we have established permanent water use efficiency requirements ( and a phased Water Shortage Contingency Plan ( to respond to drought conditions .

EMWD is currently in Stage 1 of its Water Shortage Contingency Plan, which asks customers to voluntarily reduce use by up to 10 percent. 

Why is new development permitted during a drought?

A: Perhaps one of the most common questions EMWD is asked during droughts is about the development of new homes and businesses. There are several factors that go into answering that question:

  • EMWD is not a land use agency. Our role is to accommodate and find ways to provide water and wastewater service to the development activities deemed appropriate by the local land use agencies, which are the respective cities within EMWD’s service area and the County of Riverside. EMWD is responsible for studying the General Plans of land use agencies to ensure we have the infrastructure needed to meet the long-term water supply needs of current and anticipated customers. Our Urban Water Management Plan provides detailed information about EMWD’s water demand, supply and reliability for the next 25 years.
  • EMWD has a sophisticated system in place in which new development helps create new water supply sources to meet their own needs. When new homes or businesses are constructed, they pay Financial Participation Charges (FPC) that help fund infrastructure expansion. This includes projects such as our new Perris II Desalination complex, our Mountain Avenue West Groundwater Replenishment Facility, the Perris North Groundwater Program[CA1] , and much more. All these projects are funded in-part by FPCs and help us create new local water supply sources so that new development is not “taking” from existing homes and businesses, but instead helping to expand our supplies.
  • New development is also required to have more efficient plumbing fixtures, drought-tolerant landscaping in front yards, and water budgets that are up to 30 percent lower than older homes. The result is that newer homes are designed to be more efficient than older ones.
  • EMWD understands that dry conditions are cyclical in nature and a part of living in an arid climate. Because EMWD has proactively planned for long-term growth in its service area and developed the resources to meet those needs, we are prepared to meet both existing and future needs.

Where does my water come from? Does my water source change during dry conditions?

Your water comes from a range of sources, but it is made up of a blend of supplies from the Colorado River, Northern California, and local sources. During dry years, local water supplies become especially important as imported sources may be limited. Water providers across the Inland Empire proactively invest and prepare for dry years and invest in projects that maximize use of local water supplies. To learn more about how EMWD is preparing for times of drought, visit

Where can I stay up to date on steps to address water supplies in the Inland Empire?

EMWD anticipates cycles of dry conditions and has prepared to maintain a diverse and high-quality water portfolio through any climate. Visit EMWD’s website for more information on our investments and actions to address dry conditions.

Want to Learn Even More? Additional Links and Resources

EMWD has provided a section on its website filled with tips and a toolbox of ideas for using water wisely. Customers are encouraged to visit and learn more about water saving programs and rebates.
Landscapes for Living 
Waterwise Landscape Toolbox
Waterwise Programs and Rebates
100 Ways to Conserve Water
For Kids: California Drought 
Where Does Your Water Come From? 

For more information about EMWD’s response, see our Water Shortage Contingency Plan and Frequently Asked Questions.