Environment

Is California water use increasing?

Produced by Aaron Mendelson & Chris Keller | Updated Sept. 7, 2016

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About the data: These charts show the daily per capita residential water use rate in California as calculated by the State Water Resources Control Board. The charts cover the Dec. 2016 reporting period, and are compared to the previous month unless specified. Since the per capita measure (which reflects gallons of water used per resident per day) does not take into account rainfall, temperature, humidity and population density, the State Water Resources Control Board discourages comparisons between water suppliers.

Central Coast

For the 29 agencies in this region the average daily water consumption by each residential customer decreased to 49.99 gallons in December 2016 compared to 58.50 gallons in November 2016. See how much water this region saved.

Colorado River

For the 14 agencies in this region the average daily water consumption by each residential customer decreased to 115.88 gallons in December 2016 compared to 150.14 gallons in November 2016. See how much water this region saved.

North Coast

For the 14 agencies in this region the average daily water consumption by each residential customer increased to 52.45 gallons in December 2016 compared to 51.45 gallons in November 2016. See how much water this region saved.

North Lahontan

For the 5 agencies in this region the average daily water consumption by each residential customer increased to 59.17 gallons in December 2016 compared to 54.46 gallons in November 2016. See how much water this region saved.

Sacramento River

For the 42 agencies in this region the average daily water consumption by each residential customer decreased to 68.28 gallons in December 2016 compared to 75.91 gallons in November 2016. See how much water this region saved.

San Francisco Bay

For the 46 agencies in this region the average daily water consumption by each residential customer decreased to 50.62 gallons in December 2016 compared to 54.65 gallons in November 2016. See how much water this region saved.

San Joaquin River

For the 25 agencies in this region the average daily water consumption by each residential customer decreased to 65.17 gallons in December 2016 compared to 75.50 gallons in November 2016. See how much water this region saved.

South Coast

For the 170 agencies in this region the average daily water consumption by each residential customer decreased to 65.99 gallons in December 2016 compared to 78.22 gallons in November 2016. See how much water this region saved.

South Lahontan

For the 17 agencies in this region the average daily water consumption by each residential customer decreased to 73.90 gallons in December 2016 compared to 93.69 gallons in November 2016. See how much water this region saved.

Tulare Lake

For the 28 agencies in this region the average daily water consumption by each residential customer decreased to 82.16 gallons in December 2016 compared to 112.06 gallons in November 2016. See how much water this region saved.

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