Environment

Is California water use increasing?

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

August monthly water use by the Rincon Del Diablo Municipal Water District

Water consumption in the Rincon Del Diablo Municipal Water District decreased 14.41 percent in August 2017 compared to August 2016. Overall, consumption in August has decreased 37.57 percent over the past five years.
  • August 2013 137 million gallons
  • August 2014 81 million gallons
  • August 2015 100 million gallons
  • August 2016 85 million gallons
  • August 2017 81 million gallons

Displayed in millions of gallons

Average daily water consumption by each residential customer

About 71.0% of water consumption in the Rincon Del Diablo Municipal Water District is residential. The average daily gallons used by each residential customer decreased 11.88 percent in August 2017 compared to August 2016, according to the State Water Resources Control Board.
65.30
average daily gallons
used by each residential
customer for August 2017
74.10
average daily gallons
used by each residential
customer for August 2017

Year-over-year water consumption

January
  • 2013 103 million gallons
  • 2015 95 million gallons
  • 2016 79 million gallons
February
  • 2013 91 million gallons
  • 2015 113 million gallons
  • 2016 101 million gallons
March
  • 2013 145 million gallons
  • 2015 144 million gallons
  • 2016 105 million gallons
April
  • 2013 189 million gallons
  • 2015 167 million gallons
  • 2016 122 million gallons
May
  • 2013 213 million gallons
  • 2015 122 million gallons
  • 2016 137 million gallons
June
  • 2013 230 million gallons
  • 2015 162 million gallons
  • 2016 168 million gallons
July
  • 2013 252 million gallons
  • 2015 160 million gallons
  • 2016 167 million gallons
August
  • 2013 255 million gallons
  • 2015 166 million gallons
  • 2016 196 million gallons
September
  • 2013 236 million gallons
  • 2015 153 million gallons
  • 2016 169 million gallons
October
  • 2013 199 million gallons
  • 2015 145 million gallons
  • 2016 166 million gallons
November
  • 2013 150 million gallons
  • 2015 116 million gallons
  • 2016 131 million gallons
August
  • 2013 137 million gallons
  • 2015 100 million gallons
  • 2016 85 million gallons

Displayed in millions of gallons
2014 water use data is incomplete and therefore not displayed

Progress toward mandatory water reduction*

Rincon Del Diablo Municipal Water District water use decreased by 29.80 percent between June 2015 and February 2016 — the nine months of the initial statewide conservation mandate — but the agency failed to meet a 32 percent reduction.
30.807
billion gallons consumed
over the same months in 2013.
21.625
billion gallons consumed
between June 2015 and February 2016.

*: Approved by the State Water Resources Control Board in 2015, the reduction target was meant to achieve a 25 percent reduction in water use statewide. It is tied to an average July through Sept. 2014 daily per capita residential water use rate that placed water agencies into nine tiers.

Enforcement statistics

Selected enforcement statistics reported by the Rincon Del Diablo Municipal Water District to the State Water Resources Control Board.
Month Watering Days Complaints Follow-up Actions Warnings Issued Penalties Assessed
MonthAugust 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJuly 2017 Watering Days7 Complaints Received1 Follow-up Actions1 Warnings Issued Penalties Assessed
MonthOctober 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthSeptember 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthAugust 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJuly 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJune 2017 Watering Days7 Complaints Received1 Follow-up Actions1 Warnings Issued Penalties Assessed
MonthMay 2017 Watering Days7 Complaints Received1 Follow-up Actions1 Warnings Issued Penalties Assessed
MonthApril 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthMarch 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthFebruary 2017 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJanuary 2017 Watering Days7 Complaints Received2 Follow-up Actions2 Warnings Issued Penalties Assessed
MonthAugust 2016 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthNovember 2016 Watering Days7 Complaints Received1 Follow-up Actions1 Warnings Issued Penalties Assessed
MonthOctober 2016 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthSeptember 2016 Watering Days7 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthAugust 2016 Watering Days7 Complaints Received3 Follow-up Actions3 Warnings Issued3 Penalties Assessed
MonthJuly 2016 Watering Days7 Complaints Received2 Follow-up Actions2 Warnings Issued1 Penalties Assessed
MonthJune 2016 Watering Days7 Complaints Received1 Follow-up Actions1 Warnings Issued Penalties Assessed
MonthMay 2016 Watering Days2 Complaints Received4 Follow-up Actions4 Warnings Issued4 Penalties Assessed
MonthApril 2016 Watering Days2 Complaints Received1 Follow-up Actions1 Warnings Issued1 Penalties Assessed
MonthMarch 2016 Watering Days2 Complaints Received1 Follow-up Actions1 Warnings Issued Penalties Assessed
MonthFebruary 2016 Watering Days2 Complaints Received4 Follow-up Actions4 Warnings Issued4 Penalties Assessed
MonthJanuary 2016 Watering Days2 Complaints Received1 Follow-up Actions1 Warnings Issued1 Penalties Assessed
MonthAugust 2015 Watering Days2 Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthNovember 2015 Watering Days2 Complaints Received127 Follow-up Actions127 Warnings Issued105 Penalties Assessed
MonthOctober 2015 Watering Days2 Complaints Received41 Follow-up Actions41 Warnings Issued11 Penalties Assessed
MonthSeptember 2015 Watering Days2 Complaints Received45 Follow-up Actions45 Warnings Issued16 Penalties Assessed
MonthAugust 2015 Watering Days2 Complaints Received51 Follow-up Actions51 Warnings Issued30 Penalties Assessed
MonthJuly 2015 Watering Days2 Complaints Received14 Follow-up Actions14 Warnings Issued14 Penalties Assessed
MonthJune 2015 Watering Days2 Complaints Received24 Follow-up Actions24 Warnings Issued10 Penalties Assessed
MonthMay 2015 Watering Days2 Complaints Received13 Follow-up Actions13 Warnings Issued13 Penalties Assessed
MonthApril 2015 Watering Days2 Complaints Received10 Follow-up Actions10 Warnings Issued10 Penalties Assessed
MonthMarch 2015 Watering Days2 Complaints Received15 Follow-up Actions15 Warnings Issued15 Penalties Assessed1
MonthFebruary 2015 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJanuary 2015 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthAugust 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthNovember 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthOctober 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthSeptember 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthAugust 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJuly 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed
MonthJune 2014 Watering Days Complaints Received Follow-up Actions Warnings Issued Penalties Assessed

Here are some ways you can help conserve water

Repair broken sprinklers

Wash cars with a bucket and sponge

Wash only full loads

Water before 8 a.m. or after 8 p.m.

About the data: This data is for urban water suppliers and is based on the the most recent reports submitted to the State Water Resources Control Board. Since the gallons of water used per person per day measurement does not take into account rainfall, temperature, humidity and population density, the State Water Resources Control Board discourages comparisons between water suppliers.

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