Frequently Asked Questions (FAQs)
The following are a series of questions, when clicked the answer will appear in another window. Push the back button on your browser to go back to the main FAQ page.

1.   How much does it cost?

2.   What are the identified benefits?

3.   Are Sites and Temperance Flat reservoirs the best locations for surface storage and Los Vaqueros Reservoir the best location for expansion?

4.   How quickly can new surface storage be brought online?

5.   What is the impact on the environment?

6.   How could surface storage assist in "saving" the Delta?

7.   What is the cost of the water?

8.   If surface storage is part of the overall solution to California's water supply needs, what are the priorities among all of the options available. How important are conservation and recylcing for example?

9.   If other cost effective alternatives exist, why is the state looking at Surface Storage?

10. How can decisions on surface storage be made without final studies that better define project costs and benefits?

11. Why are project partners not stepping up to pay for the water supply benefits from the storage projects?

12. What is the estimated yield of the project?

13. Will Temperance Flat Reservoir impede salmon migration?

14. How many years of hydrologic data are being used for the analyses?

15. How is evaporation being taken into account?

16. Won't Temperance Flat Reservoir flood recreation sites and a replica Native American village?

17. The San Joaquin River Settlement Agreement does not call for Temperance Flat Dam. Why is Temperance Flat still under consideration?

18. Isn't Temperance Flat Reservoir a net consumer of energy ?

19. Will there be a net decrease in stream flow as a result of global warming? If so, how will new reservoirs fill?

20. Recent studies indicate that building large reservoirs may actually increase greenhouse gases that cause global warming. Will temeprance Flat Resrvoir increase the CO2 and methane released to the atmosphere?

21. Does the Water Plan Update say California will use less water in 2030 than today through available conservation measures? If so, why do we need additional water storage?

To view full document of Temperance Flat Q & A click here.

Contact Us
To submit comments or questions to DWR staff, please
Email at uppersj@water.ca.gov