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Residential use is?
Water provided to households and serves both interior and exterior uses.
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.
Public use includes:
Parks, golf courses, firefighting and street cleaning.
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
Combined indoor and outdoor single family US avg;
179 gallons per capita per day (USGS)
combined in/outdoor use CA / NV
- Nevada 223 gpcd
- California 203 gpcd
50% residential use is
Highest indoor residential use comes from
High efficiency toilets use 1.28 gal perflush
Ultra low flush toilet 1.6 gpf
Approximately 30% of the water in the world is ground water ; T/F
3 major California Aqueducts
The Los Angeles river is not
A perennial stream
Name the upper basin states
- New Mexico
What is the most important factor in Dam desing/construction
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
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
What is a Prescriptive water right?
a legal doctrine that allows a water user to overcome a previous water right held by another.
water commission act of______
1914 established water rights permit process and later the Sate water Resource control board
3 water rights
- Ground water rights
- Appropriative rights
Right entitles a land owner to use a share of water running past or through his property
ground water rights
right to the overlaying land owners of such water. in California this is limited to reasonable use.
Entitlement is based on actual use of the water and developed from the miners in the 1850s using water on the public domain.
Californias water rights
are a combination of Riparian and Appropriative
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