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Residential use is?
Water provided to households and serves both interior and exterior uses.
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Residential use varies by?
Household size , climate, income level, and efficiency of fixtures and appliances.
-
Commercial use varies with
the type of commercial activity
-
Industrial use includes:
Steel,petroleum, pulp and paper, and power.
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Public use includes:
Parks, golf courses, firefighting and street cleaning.
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Benefits of water conservation.
- reduced per capita demand ,
- reduced need for facilities;
- reduction in capital and operational and maintenance costs,
- protection of the environment.
-
Potential problems with wate conservation;
- loss of revenue for utility
- program costs
- potential reduction in reliability
- difficulty in responding to droughts
-
what is the 20 by 2020
SBX7-7 legislation that calls for rduction of 20% by 2020
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Combined indoor and outdoor single family US avg;
179 gallons per capita per day (USGS)
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combined in/outdoor use CA / NV
- Nevada 223 gpcd
- California 203 gpcd
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50% residential use is
Typically outdoors
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Highest indoor residential use comes from
Toilets
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H.E.T. use?
High efficiency toilets use 1.28 gal perflush
-
Ulft
Ultra low flush toilet 1.6 gpf
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Approximately 30% of the water in the world is ground water ; T/F
False
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3 major California Aqueducts
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The Los Angeles river is not
A perennial stream
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Name the upper basin states
- Colorado
- Wyoming
- Utah
- New Mexico
-
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What is the most important factor in Dam desing/construction
Subsurface conditions
-
Who developed the SWP
The U.S. Bureau of Reclamation
-
The main purpose of the CVP
Provide water to the central basin
-
Water for the L.A. aqueduct
comes from Mono Lake
-
Three most important Factions in California water
- Environmental
- Agricultural
- Residential
-
Recyceld water infiltrated into the ground is
indirect potable water
-
What is hydrology
The study of water movement, Quality and how it moves through the Hydrologic cycle
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What is a Prescriptive water right?
a legal doctrine that allows a water user to overcome a previous water right held by another.
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water commission act of______
1914 established water rights permit process and later the Sate water Resource control board
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3 water rights
- Riparian
- Ground water rights
- Appropriative rights
-
Right entitles a land owner to use a share of water running past or through his property
Riparian
-
ground water rights
right to the overlaying land owners of such water. in California this is limited to reasonable use.
-
Appropriative Rights
Entitlement is based on actual use of the water and developed from the miners in the 1850s using water on the public domain.
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Californias water rights
are a combination of Riparian and Appropriative
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