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

11/8/99

Physico-chemical Parameters
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) D.O. (% sat) D.O. (mg/l) Turbidity (NTU's)
1041:08 -0.1 19.91 8.0 1456 0.8 78.8 7.16 8.5
1040:50 -1.6 19.60 7.98 1447 0.8 76.8 7.02 10.7
1040:17 -3.2 19.56 7.97 1447 0.8 76.2 6.98 10.6
1039:59 -4.9 19.54 7.96 1448 0.8 75.7 6.93 10.6
1039:39 -6.7 19.54 7.96 1448 0.8 75.8 6.94 10.8
1039:25 -8.5 19.54 7.96 1447 0.8 75.4 6.91 11.5
1039:05 -10.0 19.53 7.96 1448 0.8 75.6 6.92 13.5
1038:42 -11.4 19.51 7.94 1446 0.8 72.1 6.61 15.5
1038:21 -13.9 19.44 7.93 1448 0.8 72.2 6.62 17.6
1037:22 -17.1 19.29 7.99 1442 0.8 77.5 7.13 23.7
1036:56 -18.9 19.27 7.99 1444 0.8 73.8 6.80 26.4
1036:23 -20.6 19.01 7.96 1437 0.8 62.3 5.77 25.2
1035:43 -22.5 18.48 7.96 1450 0.8 22.4 2.09 18.7
1034:55 -24.1 16.71 7.54 1351 0.7 3.7 0.36 10.9
1034:29 -25.5 15.65 7.44 1303 0.7 3.7 0.37 10.6
1034:04 -27.1 14.89 7.40 1292 0.7 3.8 0.38 13.4
1033:35 -28.7 14.1 7.37 1276 0.7 3.9 0.40 14.2
1032:54 -30.5 13.57 7.31 1277 0.7 4.2 0.43 10.8

 
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)
-0.1 0.21 0.13 1.04 ND 0.02 55.4 348
-22.5 0.41 0.13 0.94 ND 0.04 55.4 334
-30.5 0.37 0.15 0.82 0.07 0.18 54.1 350

 
 
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)
-0.1 0.031 0.023 0.17 0.023 16 1.5 3.21 -------------- 1.596 2.19
-22.5 0.069 0.022 0.47 0.043 16.6 8.5 -------------- -------------- 1.596 1.136
-30.5 0.057 0.40 0.36 0.45 17 4.0 -------------- -------------- ------------- -------------

Secchi Depth: 1.29 meters

Phytoplankton
-0.1 Meters
Division Genus  Units/ml
Chlorophyta Carteria 480
Chlorophyta Chlorococcum 640
Chlorophyta Chlorosarcina 640
Chlorophyta Coccomonas 240
Chlorophyta Coelastrum 720
Chlorophtya Dysmorpococcus 400
Chrysophyta Cyclotella 320
Chrysophyta Synedra 80
Euglenophyta Trachelomonas 480

Results from 9/27/99