Roosevelt/Tonto 2 (RT2)

Description of Site: This site is closer to Roosevelt dam than RT1 and represents the transition zone (the zone between the lacustrine and riverine zone) of the Tonto Creek Arm of Roosevelt Lake.
GPS Coordinates: 330 44.35 N   1110 11.83 W

5/8/00

Physico-chemical Parameters
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) D.O. (%sat) D.O. (mg/l) Turbidity (NTU's)
908:35 -3.0 21.89 8.45 1768 0.9 100.4 8.73 2.9
907:34 -7.1 20.69 8.05 1711 0.9 69.0 6.14 40.7

 
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))
-3.0 ND 0.14 ND ND 0.33 68.9 443
-7.1 ND 0.15 1.0 0.11 0.18 69.8 430

 
Depth (m) Dissolved Fe (mg/l) Dissolved Mn (mg/l) Total Fe (mg/l) Total Mn (mg/l) Silica (mg/l) TSS  Chl a (mg/m3) Pheophytin a (mg/m3)
-3.0 ND ND 0.039 ND 17.1 ND 1.072 0.624
-7.1 0.025 ND 0.06 ND 17.1 ND ND ND

Secchi Depth pending
 

Results from 3/20/00