Apache 1(A1)

Description of Site: This site is the closest within the lake to  the inflow from Roosevelt Dam and is the most representative of the riverine zone.
GPS Coordinates: 330 40.02 N   1110 10 .21 W

9/28/99
Physico-chemical Parameters
 
Time Depth (m) Temp (C) pH SpCond. Salinity (ppt) D.O. (% sat) D.O. (mg/l) Turbidity (NTU's)
0725:26 0 22.67 8.74 1372 0.7 62.5 5.2 3.3
0724:54 1.3 22.5 8.69 1369 0.7 58.8 4.94 3.3
0724:17 2.7 22.43 8.65 1368 0.7 65.4 4.74 3.4
0723:10 4.1 20.86 8.16 1348 0.7 19 1.64 15.7

 
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 0.21 ND <1 ND 0.71 54 320

 
Depth (m) Dissolved Fe (mg/l) Dissolved Mn (mg/l) Total Fe (mg/l) Total Mn (mg/l) Silica (mg/l) TSS Chl a (mgm3) Pheophytin a (mg/m3)
0 ND ND 0.062 0.02 16 4.5 16.016 10.608

Secchi Depth: 1.52meters

Phytoplankton
Division Genus Units/ml
Cyanophyta Anabaenopsis 1200
Cyanophyta Spirulina 2560
Chlorophyta Chlamydomonas 1280
Chlorophyta Chlorella 240
Chlorophyta Coccomonas 2560
Chlorophyta coelastrum 240
Chlorophyta Crucigenia 160
Chlorophyta Dunaliella 640
Chlorophyta Haematococcus 1600
Chlorophyta Polytoma 7600
Chlorophyta Thoracomonas 17600
Chrysophyta Chrysochromulina 240
Chrysophyta Synedra 240
Euglenophyta Trachelomonas 1280
Pyrrophyta Massartia 320

Results from8/23/99