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
   Physico-chemical Parameters 9/27/99
 

Time	Depth (m)	Temp (C)	pH	SpCond	Salinity (ppt)	DO (%sat)	D.O. (mg/l)	Turbidity (NTU's)
1412:05	0.1	27.78	9.17	1625	0.9	117.6	8.64	60.9
1411:03	0.7	26.54	8.98	1588	0.8	105.4	7.58	43.4
1410:45	1.5	26.46	8.98	1587	0.8	95.5	6.89	62.3
1410:01	2.8	26.42	8.96	1577	0.8	63.9	5.33	57.8
1409:14	3.9	26.35	8.76	1562	0.8	57.5	4.47	50.6
1408:19	4.9	26.35	8.7	1563	0.8	52.3	4.06	15.6
1408:06	5.4	26.21	8.55	1553	0.8	43.4	3.38	20.4
1407:54	6.3	26.06	8.44	1545	0.8	35.8	2.79	23.3

 

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	0.19	ND	0.49	ND	0.055	54	360
6	0.29	ND	0.86	ND	0.059	53	350

 
 

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	ND	ND	0.61	0.042	17	24	4.78	2.964
6	ND	ND	0.27	0.031	17	14	7.052	4.136

Secchi Depth: 0.41meters

Phytoplankton
0 Meters

Division	Genus	Units/ml
Cyanophyta	Hydrocoleum	400
Cyanophyta	Merismopedia	80
Cyanophyta	Spirulina	80
Chlorophyta	Chlamydomonas	6800
Chlorophyta	Crucigenia	80
Chlorophyta	Polyblepharides	80
Chlorophyta	Thoracomonas	2000
Chrysophyta	Mallomonas	80
Euglenophyta	Trachelomonas	1040

6 Meters

Division	Genus	Units/ml
Cyanophyta	Anabaenopsis	80
Cyanophyta	Spirulina	240
Chlorophyta	Chlamydomonas	3040
Chlorophyta	Polytoma	240
Chlorophyta	Schroederia	80
Chlorophyta	Thoracomonas	400
Euglenophyta	Phacus	80
Euglenophyta	Trachelomonas	560

Results from 8/23/99