Upper Los Pinos Water Quality Report

• Document ID: hr_0007
• Contract/PO #: PO 05-64
• County: La Plata
• County: Hinsdale
• County: San Juan
• Stream Name: Los Pinos River
• Basin: San Juan/Dolores
• Sub-Basin: Upper San Juan 14080101
• Water Division: 7
• Title: Water_Quality Data Synthesis for the Upper Los Pinos River Watershed, SW Colorado, and Suggestions for a Watershed Plan, 2005
• Date: 1/1/2005
• Prepared For: CWCB
• Prepared By: Southwest Hydro-Logic
• Watershed Pro - Doc Type: Planning Report

0.35
~ 0.3
w
~_
J
~ 0.25
w
a
~ 0.2
Q
(7
~ 0.15
UPPER SUNLIGHT LAKE (site 19)
z
w 0.1
~ 0.05
U
U.~S
~ 0.3
w
~_
J
~ 0.25
w
a
~ 0.2
Q
(7
~ 0.15
z
w 0.1
~ 0.05
U
0
UPPER GRIZZLY LAKE (site 21)
0
1985 1990 1995 1985 1990 1995
45
40
w 35
~ 30
w
a
~ 25
Q
~ 20
O
U 15
z 10
z
O 5
0
liU
50
w
~ 40
w
a
Q 30
(7
O
U 20
z
z 10
O
0
1985 1990 1995 1985 1990 1995
10
9.5
9
~ 8.5
z
~ 8
0
p 7.5
z
Q ~
z 6.5
a
6
5.5
10
9.5
9
~ 8.5
z
~ 8
0
0 7.5
z
Q ~
z 6.5
Q
6
5.5
5 5
1985 1990 1995 1985 1990 1995
Fib re 6. Concentrations of selected «ater-qualit< constituents o~, er time for high-altitude lakes in the upper
Vallecito Creels watershed (data source USGS).
18 Water-Quality Data Synthesis for the Upper Los Pinos River Watershed, In cooperation with the Colorado Watershed Protection Fund and
Southwestern Colorado, and Suggestions fora Watershed Plan, 2005 the San Juan Resource Conservation and Developrnent Council