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

6/19/00

Physico-chemical Parameters
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) D.O. (% sat) D.O. (mg/l) Turbidity (NTU's)
839:29 -0.1 26.35 8.82 2121 1.2 103.1 8.24 2.2
830:38 -27.5 12.09 7.99 1915 1.0 3.6 0.72 42.6

 
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 0.08 0.14 1.0 ND 0.25 79 504
-27.5 0.08 0.26 2.0 ND 0.29 68.4 433

 
 
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 0.017 ND 0.65 ND 16.8 ND 3.2 0.061 3.224 1.696
-27.5 ND 0.15 ND 0.02 16.5 ND ND ND ND ND

Secchi Depth: 1.6m
 

Periphyton
-0.1m
Division Genus  Units/ml
Euglenophyta Trachelomonas 160
Chlorophyta Chlamydomonas 320
Chlorophyta Scenedesmus 240
Chlorophyta Dictyosphaerium 160
Chlorophyta Quadrigula 80
Chlorophyta Tetraedron 240
Chrysophyta Dinobryon 320

  Results from 5/8/00