Pine River Watershed Group
Upper Los Pinos River Watershed and Vallecito Reservoir
Mercury concentrations in precipitation at Vallecito Reservoir (Link to data and analyses)
Reports on the Watershed and Vallecito Reservoir:
l Upper Los Pinos Data Synthesis, 2004 (1.4 mb)
l Southwest Hydrology Journal, Los Pinos article, 2005 (667 kb)
l PRWG Fact Sheet, 2006 (597 kb)
l Upper Los Pinos, Rainfall Runoff and Water Quality, 2006 (3.9 mb)
l Upper Pine River Watershed, State of the Watershed 2008 (9.3 mb)
Talks and Presentations about the Watershed:
l San Juan RC&D presentation, annual meeting, Nov 1, 2007 (pdf file, 17.9 mb)
l Natural Background Mercury, Upper Pine River Watershed (pdf file, 8.7 mb)
l Fire, Floods, and Water Quality, 2007 (pdf file, 40.1 mb)
l Upper San Juan Water Quality Forum, April 3, 2008 (pdf file, 12 mb)
Data Files for the Watershed and Vallecito Reservoir:
l Historical data for Vallecito Reservoir, streams, high-altitude lakes, and wells in the upper Pine River watershed
--Data for 2004 report (PRWG Data base v.1.4_Jan 8, 2005_FINAL.xls)
--Updated reservoir data (PRWG Data base v.1.5_July 23, 2007.xls)
--Basic statistics for reservoir water-quality parameters (Summary statistics.xls)
l Natural background mercury
--Data and graphs for water and streambed sediments (Natural Background Hg_Water and Streambed Sediments.xls)
--Data and graphs for lake sediment age dating (Natural Background Hg_Lake Core Dates.xls)l Data updates for Vallecito Reservoir, through 2008
--Database through 2006 (PRWG Data base v.3.0_September 2006.xls)
--Vallecito Reservoir data 2007-08 (Vallecito Reservoir_Water-Quality Data 2007-08.xls)
News Articles:
l Durango Herald, October 25, 2007 (Page 1, Page 2)
l KOAT Television, News Interview regarding Vallecito Salmon (10 mb)
l Define water-quality conditions.
l Protect citizens from floods.
l Determine sources and causes of water-quality degradation in the upper Pine River watershed and Vallecito Reservoir.
Funding sources during 2004-07 have included La Plata County, Colorado Watershed Protection Fund, Southwestern Water Conservation District, Pine River Irrigation District, and Vallecito Citizens.