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Recent California Water News


X2 Line Time

Sep 10, 2019

It is Fall X2 Time Again:  Tom Cannon writes, “The 2008 Delta Smelt Biological Opinion for Central Valley Project (CVP) and State Water Project (SWP) includes the Fall X2 provision to keep brackish water west of the Delta through October in wet years to protect Delta smelt. X2 or the low salinity zone is defined as the location where salinity is 2 parts per thousand (about 4000 EC). Keeping X2 at Chipps Island (km 71 from the Golden Gate) benefits the longfin smelt and Delta smelt populations. In wet years, the smelt are protected by Delta agriculture salinity standards through August 15. The Fall X2 provision keeps X2 and the smelt west of the Delta through October. … ”  Read more from the Cal Fisheries Blog here: It is Fall X2 Time Again