Roosevelt/Salt 2 (RS2)

Description of Site: This site is closer to the dam than RS1 and represents the transition zone (the zone between the lacustrine and riverine zone) of the Salt River Arm of Roosevelt Lake.
GPS Coordinates: 330 40.17 N   1110 03.28 W

7/19/99
Physico-chemical Parameters
Lake Elevation: 2079.95 ft above sea level
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) DO (%sat) D.O. (mg/l) Turbidity (NTU's)
1137:39 0 29.52 8.6 1934 1 88.6 6.5 11
1137:15 0.8 27.97 8.68 1823 1 91 6.87 7.1
1136:40 2.6 27.57 8.5 1922 1 76.4 5.8 9.7
1135:09 4.1 27.47 8.46 1961 1 72 5.47 13.9
1135:39 5.7 27.42 8.41 2040 1.1 69.6 5.3 34.9
1134:59 7.4 27.22 8.41 2125 1.1 53.7 4.1 62.4

 
Depth (m) Ammonia (mg/l) Nitrate (mg/l) TKN (mg/l) Ortho P (mg/l) Total P (mg/l) Sulfate (mg/l) Chloride (mg/l)
0 0.02 ND 1.35 ND 0.3 54.3 412
7 0.05 0.15 0.94 ND 0.22 60.5 412

 
 
Depth (m) Dissolved Fe (mg/l) Dissolved Mn (mg/l) Total Fe (mg/l)  Total Mn (mg/l) Silica (mg/l) TSS DOC (mg/l0 TOC(mg/l) UV254(cm-1) Chl a (mg/m3) Pheophytin a (mg/m3)
0 0.12 0.034 0.19 0.061 17.2 0.8 3.11 2.98 0.06 4.89 4.026
7 0.021 ND 0.41 ND 16.9 8.4 ------------ ------------ ------------- 9.684 6.816

Secchi Depth: 1.22 meters

Phytoplankton
0 Meters
Division Genus Units/ml
Cyanophyta Anabaena 80
Chlorophyta Ankistrodesmus 560
Chlorophyta Chlamydomonas 800
Chlorophyta Chlorella 1360
Chlorophyta Haematococcus 80
Chlorophyta Scenedesmus 160
Chlorophyta Tetraedron 80
Chlorophyta Treubaria 80
Chrysophyta Nitzchia 240
Chrysophyta Synedra 80
Euglenophyta Trachelomonas 320

7 Meters
Division Genus Units/ml
Cyanophyta Gloeocystis 80
Cyanophyta Microspora 480
Chlorophyta Ankistrodesmus 640
Chlorophyta Carteria 240
Chlorophyta Chlamydomonas 240
Chlorophyta Chlorella 960
Chlorophyta Scenedesmus 240
Chrysophyta Cyclotella 400
Chrysophyta Nitzchia 400
Chrysophtya Synedra 160
Euglenophyta Eulgena 240
Euglenophyta Trachelomonas 320

Graphic of:
Temp vs. Depth
D.O. vs. Depth
Turbidity vs. Depth