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

8/23/99

Physico-chemical Parameters

Time	Depth (m)	Temp (C)	pH	SpCond	Salinity (ppt)	D.O. (% sat)	D.O. (mg/l)	Turbidity (NTU's)
1348:13	0	30.34	8.9	1818	1	96.9	7.01	1.2
1347:45	1.7	28.74	8.91	1740	0.9	92.7	6.9	2.4
1347:23	3.1	28.5	8.85	1729	0.9	84.7	6.33	2.8
1346:51	4.8	27.69	8.62	1705	0.9	68	5.16	2.7
1346:26	6.3	27.34	8.47	1699	0.9	58.4	4.46	2.3
1345:51	7.7	27.3	8.35	1714	0.9	50.3	3.84	1.7
1345:26	9.1	27.21	8.33	1711	0.9	47.7	3.65	1.9
1344:53	10.7	27.08	8.28	1689	0.9	41.2	3.16	2.6
1343:51	12.4	25.74	7.88	1557	0.8	3.1	0.24	8.4
1343:31	13.9	24.69	7.85	1564	0.8	1.5	0.12	6.1
1343:12	15.2	23.37	7.82	1540	0.8	1.5	0.12	4.5
1342:54	16.6	19.86	7.81	1378	0.7	1.7	0.15	3.8
1342:35	18.1	17.52	7.82	1241	0.7	1.5	0.14	3.7
1342:23	18.2	17.42	7.82	1237	0.7	1.6	0.14	3.7
1342:01	19.7	15.77	7.82	1165	0.6	1.6	0.15	3.7
1341:32	21.1	14.66	7.81	1116	0.6	1.7	0.16	4.1
1340:49	22.5	14.17	7.81	1100	0.6	1.9	0.18	4
1340:20	23.8	13.82	7.79	1081	0.6	2	0.2	3.8
1340:02	25.3	13.58	7.77	1074	0.6	2.1	0.21	4
1339:45	26.9	13.47	7.76	1065	0.6	2.2	0.22	4.1
1339:30	28.3	13.3	7.74	1056	0.6	2.4	0.25	5.4
1339:12	29.6	13.15	7.72	1053	0.6	2.6	0.27	6.1
1338:56	31	12.95	7.7	1044	0.5	2.9	0.29	4.1
1338:35	32.6	12.67	7.66	1033	0.5	3.3	0.33	2.5

 

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	ND	ND	1	ND	0.017	57	367
9	ND	ND	<1	ND	0.070	56	364
32	0.051	ND	<1	ND	0.260	51	298

 
 

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	0.033	0.02	0.08	0.02	15.3	ND	3.23	0.0568	1.092	0.94
9	0.033	0.02	0.10	0.02	20.9	2	--------------	--------------	2.16	1.668
32	0.038	0.34	0.22	0.41	15.3	ND	--------------	--------------	-------------	-------------

Secchi Depth: 1.4 meters

Phytoplankton
0.5 Meters

Division	Genus	Units/ml
Cyanophyta	Aphanocapsa	160
Cyanophyta	Merismopedia	480
Cyanophyta	Spirulina	640
Chlorophyta	Chlorella	1120
Chlorophyta	Crucigenia	400
Chlorophyta	Haematococcus	400
Chlorophyta	Tetraedron	80
Chloromonadophyta	Vacuolaria	80
Chrysophyta	Chrysochromulina	80
Chrysophyta	Synedra	80
Euglenophyta	Phacus	720
Euglenophyta	Trachelomonas	640
Pyrrophyta	Massartia	640

Zooplankton
 

Order	Suborder	Genus	#/m3
Copepoda	Cyclopoida	Eucyclops	22.48
Copepoda	Cyclopoida	Halicyclops	3.32
Copepoda	Cyclopoida	Macrocyclops	2.19
Cladocera	Bosminidae	Bosmina	4.07

Results From 7/19/99