Roosevelt in Front of Dam (RD)

Description of Site: This site is approximately 400 meters in front of (to the East of) Roosevelt Dam. It represents true lacustrine conditions.
GPS Coordinates: 330 40.83 N   1110 09.28 W

3/20/00

Physico-chemical Parameters
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) D.O. (% sat) D.O. (mg/l) Turbidity (NTU's)
902:19 -0.2 15.23 8.98 1492 0.8 10.33 10.53 3.3
855:24 -25.6 10.85 8.09 1397 0.7 35 3.84 10.5

 
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)
-0.2 0.17 0.18 1.5 ND 0.07 73.4 460
-25.6 ND 0.39 1.3 ND 0.08 77.8 487

 
 
Depth (m) Dissolved Fe (mg/l) Dissolved Mn (mg/l) Total Fe (mg/l) Total Mn (mg/l) Silica (mg/l) TSS TOC (mg/l) UV254  Chl a (mg/m3) Pheophytin a (mg/m3)
-0.2 0.033 ND 0.11 ND 17.2 ND 3.2 0.061 1.012 0.536
-25.6 0.086 0.016 0.36 0.026 18.4 ND ND ND ND ND

Secchi Depth: 1.9 meters

Phytoplankton
-0.2 Meters
Division Genus  Units/ml
Chlorophyta Pleurotaenium 80
Chlorophyta Golenkinia 80
Chlorophyta Staurastrum 80
Chlorophyta Crucigenia 360
Chlorophyta Dysmorpococcus 160
Cyanophyta Gloethoece 360
Chrysophyta Chrysococcus 160
Chrysophyta Ochromonas 240
Euglenophyta Lepocinclus 240
Euglenophyta Trachelomonas 360

  Results from 2/7/00