The Alameda County Water District (ACWD) is a public agency in Alameda County, California

Alameda County, California

Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...

, USA, which has responsibilities for managing and protecting certain groundwater

Groundwater

Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock...

 resources within Alameda County. While not an administrative unit of the county government, this water district derives certain of its authorities from the County of Alameda. In particular, much of the work of the ACWD relates to management of the Niles Cone

Niles Cone

The Niles Cone is a groundwater basin in Alameda County, California, USA which is the source of drinking water for a sizeable human urban population in the East Bay. The land area corresponding to this groundwater basin is approximately 103 square miles; the Niles Cone Basin is bounded on the...

 aquifer

Aquifer

An aquifer is a wet underground layer of water-bearing permeable rock or unconsolidated materials from which groundwater can be usefully extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology...

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(ACWD, 2007) Some of the work of the ACWD is regional in nature, coordinating with water management agencies of the San Francisco Peninsula

San Francisco Peninsula

The San Francisco Peninsula is a peninsula in the San Francisco Bay Area that separates the San Francisco Bay from the Pacific Ocean. On its northern tip is the City and County of San Francisco. Its southern base is in Santa Clara County, including the cities of Palo Alto, Los Altos, and Mountain...

 and Santa Clara Valley Water District

Santa Clara Valley Water District

The Santa Clara Valley Water District provides stream stewardship, wholesale water supply and flood protection for Santa Clara County, California, in the southern San Francisco Bay Area. The district encompasses all of the county’s and serves the area’s 15 cities, 1.7 million residents and more...

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(S.F. Bay, 2003) The Alameda County Water Agency receives grant funding from such agencies as the U.S. Environmental Protection Agency and State of California Department of Water Resources, for the purposes of technical assessment of the Niles Cone

Niles Cone

The Niles Cone is a groundwater basin in Alameda County, California, USA which is the source of drinking water for a sizeable human urban population in the East Bay. The land area corresponding to this groundwater basin is approximately 103 square miles; the Niles Cone Basin is bounded on the...

 and other hydrological features of its jurisdictional area.. Specific capital programs of the ACWD include the construction of water supply pipeline

Pipeline transport

Pipeline transport is the transportation of goods through a pipe. Most commonly, liquids and gases are sent, but pneumatic tubes that transport solid capsules using compressed air are also used....

s, monitoring wells and blending facilities.(Earth Metrics Inc, 1990)

Reference line notes

• Alameda County Water District groundwater management (2007)
• The S.F. Bay Regional Board Groundwater Committee, in coordination with the Alameda County Water District, Santa Clara Valley Water District and San Mateo County Environmental Health Services Division, "A Comprehensive Groundwater Protection Evaluation for South San Francisco Bay Basins", May, 2003
• Northwest Niles Cone Final Report, prepared for the California DWR (2005)
• Earth Metrics, Negative Declaration for Water Treatment Plant Number Two of the Alameda County Water Agency, prepared for the Alameda County Water Agency and the State of California Clearinghouse, Sacramento. Report number 10445.001, October 26, 1990