Long Valley Dam (IMAGE) University of California - Davis Caption The Long Valley Dam on the Owens River is one of 181 California dams UC Davis researchers identified as candidates for increased water flows to protect native fish downstream. Credit Stephen Volpin Usage Restrictions Provide credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.