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Lake Tahoe Basin Environmental Data Resources
Welcome to the TIIMS Data Hub! Inside you will find links to environmental data
collected by experts in water quality, soil conservation and air quality, along
with a link to projects designed to improve the Lake Tahoe environment.
If you have any questions about TIIMS, please contact the TIIMS Team via TRPA email: [email protected].
Improvement Program Data
A product of the Presidential Forum at Lake Tahoe in 1997 was the Environmental
Improvement Program (EIP). The Tahoe Regional Planning Agency (TRPA) manages
the cooperative effort, which aims to reach environmental goals by implementing
projects designed to preserve, restore and enhance Tahoe’s unique natural and
Air Quality Data (opens new
California's Legislature established the Air Resources Board (ARB) in 1967 to
attain and maintain healthy air quality, conduct research into the causes of
and solutions to air pollution, and systematically attack the serious problem
caused by motor vehicles, which are the major causes of air pollution in the
Stream Flow Data (opens new window)
As the science agency for the Department of the Interior, one USGS task is to
investigate the occurrence, quantity, quality, distribution, and movement of
surface and underground waters. USGS water data is stored on the National Water
Information System (NWIS) and can be accessed online through NWISWeb.
Nevada Water Quality Data (opens new
The Nevada Division of Environmental Protection’s (NDEP’s) Bureau of Water
Quality Planning is responsible for water quality protection functions
including collecting and analyzing water data, developing standards for surface
waters, publishing reports and providing education and implementing programs to
address surface water quality.
Soil Data Mart (opens new
The Natural Resources Conservation Service (NRCS) assists owners of America's
private land with conserving their soil, water, and other natural resources.
Local, state and federal agencies and policymakers also use NRCS resources.
NRCS delivers technical assistance based on sound science and suited to a
customer's specific needs.
SNOTEL (opens new
The Natural Resources Conservation Service (NRCS) installs, operates, and
maintains an extensive, automated system to collect snowpack and related
climatic data in the Western United States called SNOTEL (for SNOwpack
TELemetry). The system evolved from NRCS's Congressional mandate in the
mid-1930's to forecast the water supply.