Water Delivery and Sewage System in Sourthern California

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California relies on an elaborate water delivery and storage system to supply water throughout the state particularly Southern California and its arid desert communities. About 75% of the annual precipitation falls north of Sacramento while most of the demand is south. The seven major systems of aqueducts and infrastructure capture and transport the water to the dryer parts of the state. Local water agencies including the Coachella Valley Water District play an important role in delivering the water for communities, farms, and businesses. The California State Water Project does not directly deliver this water to the Coachella Valley through its infrastructure, as an alternative the desert communities rely on essential state and local agreements to supplement and resupply the Coachella Valley aquifer with Colorado River water through the Coachella branch of the All-American Canal.
An important document signed into agreement in 2003 known as the Quantification Settlement Agreement (QSA) increased the water flows to San Diego and the Coachella Valley by decreasing flows to farms in Imperial County. The QSA is an environmental document released under the National Environmental Protection Act and California Environment Quality Act and was drafted in cooperation with the Department of Water Resources and the U.S. Fish and Wildlife service. This agreement provides California the means to implement water, transfer programs with full mitigation for impacts to biological resources. These programs allows for the state to stay within and reduce its dependence of the 4.4 million acre-foot annual distribution of Colorado River water. The QSA commits the state to continued environmental analysis and restoration of the Salton Sea, wh...

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...groundwater overdraft situation. Further proposals include mandatory watering restrictions, “smart growth” policies include turning down some new proposals for large developments, and requiring some to use filtered Colorado River water instead of further depleting our aquifer by overdraft pumping.
The jury is still out, but the Aqua Calienta Indian Tribe has a good chance of winning their case. If they do we will be forced to “pay back” the Tribe along with our other “Water Banking” obligations with abundant clean water from our aquifer. The Coachella Valley Water District’s failure to act swiftly implementing effective water management will have to pay more attention to monitor and manage this water resource. The Valley’s residents, permanent and seasonal, avian and non-avian alike depend on this precious water resource from the Coachella Valley Aquifer.

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