Trend Network Report Card
Welcome to the Watershed Monitoring Section (WMS) Trend Network Report Card. This tool displays maps that show trends in surface and ground water for the period 1999-2010. Surface water sites are located in rivers, streams, and canals. Ground water sites are located in unconfined and confined aquifers.
To use the tool, select a resource and indicator from the drop-down lists and click "Submit". A map of the results will display below.
On each map, upward arrows represent sites with an increasing trend for the selected indicator, and downward arrows represent a decreasing trend. Circles represent sites with no significant trend for the indicator, and asterisks mean there are not enough data to determine a trend.
On surface water maps, dark blue symbols represent data from flow adjusted sites that are associated with a USGS gauging station, while gray symbols represent data from non-flow adjusted sites. On ground water maps, dark blue symbols represent data from unconfined aquifer sites, while gray symbols represent confined aquifer sites.
For more information on the WMS Trend Network, including descriptions of the water resources and water quality indicators, please visit the Trend Network web page.
Last updated: November 09, 2012
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