Description of Site: This site is closer to the dam than RS1 and represents the transition zone (the zone between the lacustrine and riverine zone) of the Salt River Arm of Roosevelt Lake.
GPS Coordinates: 33⁰ 40.17 N   111⁰ 03.28 W

8/23/99
Physico-chemical Parameters
 

Time	Depth (m)	Temp (C)	pH	SpCond	Salinity (ppt)	DO (%sat)	D.O. (mg/l)	Turbidity (NTU's)
1133:36	0	31.24	9.18	1431	0.8	112.8	8.05	7.6
1132:34	1.6	28.42	8.88	1378	0.7	74.9	5.62	26.4
1131:52	3	27.84	8.67	1360	0.7	59.4	4.5	33
1131:18	4.6	27.18	8.25	1421	0.8	39.2	3	40.9
1130:55	6.2	27.05		2040	1.1	69.6	5.3	34.9
1134:59	7.4	27.22	8.41	2125	1.1	53.7	4.1	62.4

 

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	0.034	ND	<1	ND	0.072	43	282
6	ND	ND	2	ND	0.138	40.5	280

 
 

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)
0	0.087	0.02	0.37	0.07	21.8	0.756	5.3	5.244
6	0.065	0.02	0.46	0.05	20.3	20	0.784	0.756

Secchi Depth: 0.4 meters

Phytoplankton
0 Meters

Division	Genus	Units/ml
Cyanophyta	Dasygloea	240
Cyanophyta	Lyngbya	80
Chlorophyta	Ankistrodesmus	1440
Chlorophyta	Chlamydomonas	160
Chlorophyta	Chlorella	720
Chlorophyta	Crucigenia	240
Chlorophyta	Haematococcus	240
Chlorophyta	Microspora	560
Chlorophyta	Polytoma	2800
Chlorophyta	Scenedesmus	80
Chlorophyta	Tetraselmis	80
Chlorophyta	Thoracomonas	400
Chrysophyta	Navicula	80
Chrysophyta	Nitzchia	400
Cryptophyta	Monomastix	800
Euglenophyta	Euglena	80
Euglenophyta	Phacus	480
Euglenophyta	Trachelomonas	2400

6 Meters

Division	Genus	Units/ml
Chlorophyta	Chlamydomonas	80
Chlorophyta	Chlorella	480
Chlorophyta	Coccomonas	720
Chlorophyta	Crucigenia	80
Chlorophyta	Lepocinclus	80
Chlorophyta	Polytoma	1280
Chrysophyta	Nitzchia	400
Cryptophyta	Monomastix	160
Euglenophyta	Euglena	240

Results from 7/19/99