Description of Site: This site is representative of true lacustrine conditions.
GPS Coordinates: 33⁰ 34.03N   111⁰ 31.23  W

8/25/99
Physico-chemical Parameters
 

Time	Depth (m)	Temp (C)	pH	SpCond	Salinity (ppt)	DO (% sat)	DO (mg/l)	Turbidity (NTU's)
0924:31	0	29.41	8.98	1526	0.8	97.4	7.17	0
0924:09	0.8	29.37	8.97	1538	0.8	96.3	7.09	0
0923:37	2.5	29.25	8.95	1534	0.8	93.6	6.91	0
0922:30	4.2	28.03	8.25	1475	0.8	52.2	3.94	0
0921:14	6	26.2	7.74	1405	0.7	3.1	0.24	0
0920:54	7.6	25.44	7.71	1380	0.7	1.5	0.12	0
0920:34	9.3	24.96	7.71	1369	0.7	1.7	0.14	0
0920:21	10.9	24.64	7.71	1360	0.7	2	0.16	0
0919:49	12.5	24.39	7.74	1351	0.7	6.2	0.5	0
0919:19	14.2	24.15	7.76	1349	0.7	10.5	0.85	0
0918:54	15.8	24.05	7.77	1343	0.7	12.3	1	0
0918:23	17.4	23.89	7.79	1338	0.7	17.1	1.39	0
0917:37	19.1	23.82	7.83	1337	0.7	24.2	1.97	0
0917:24	20.6	23.75	7.84	1336	0.7	25.3	2.06	0
0916:59	22.2	23.68	7.84	1335	0.7	26.3	2.15	0
0916:39	24	23.65	7.85	1332	0.7	26.4	2.16	0.4
0916:17	25.6	23.61	7.85	1331	0.7	26.3	2.15	0.8
0915:53	27.2	23.57	7.84	1330	0.7	26.1	2.13	0.9

 

Depth (m)	Ammonia (mg/l)	Nitrate (mg/l)	Total Nitrogen (mg/l)	Ortho P (mg/l)	Total P (mg/l)	Sulfate (mg/l)	Chloride (mg/l)	TOC	DOC	UV254
0	0.028	ND	<1	ND	0.028	57	319	4.07	4.00	0.0584
4	ND	ND	<1	ND	0.029	56	308	-----------------	-----------------	----------------
25	ND	ND	<1	ND	0.046	64	300	-----------------	-----------------	----------------

 

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	0.024	0.02	0.05	0.02	13.7	ND	2.104	1.792
4	0.03	0.02	0.032	0.02	13.6	2	2.68	2.564
25	0.036	0.02	0.07	0.04	13.8	3	---------------------	--------------------

Secchi Depth:  3.17 meters

Phytoplankton
0.5 m

Division	Genus	Units/ml
Cyanophyta	Anabaenopsis	1360
Cyanophyta	Aphanocapsa	80
Cyanophyta	Lyngbya	560
Cyanophtya	Spirulina	3120
Chlorophyta	Carteria	80
Chlorophyta	Chlamydomonas	480
Chlorophyta	Chlorella	80
Chlorophyta	Dictyosphaerium	80
Chlorophyta	Polytoma	1040
Chrysophyta	Cyclotella	160
Chrysophyta	Fragilaria	2960
Chrysophtya	Nitzchia	560
Chrysophyta	Synedra	640
Euglenophyta	Euglena	160
Euglenophyta	Trachelomonas	80

4 m

Division	Genus	Units/ml
Cyanophyta	Anabaenopsis	3120
Cyanophyta	Aphanothece	1040
Cyanophyta	Merismopedia	720
Cyanophyta	Lyngbya	1600
Cyanophyta	Spirulina	7600
Chlorophyta	Carteria	80
Chlorophyta	Chlamydomonas	320
Chlorophyta	Chlorella	880
Chlorophyta	Crucigenia	640
Chlorophyta	Dictyosphaerium	480
Chlorophyta	Diogenes	80
Chlorophyta	Polytoma	1520
Chlorophyta	Staurastrum	80
Chrysophyta	Chrysochromulina	80
Chrysophyta	Cyclotella	80
Chrysophyta	Fragilaria	4400
Chrysophyta	Pinnularia	160
Chrysophyta	Synedra	720
Euglenophyta	Euglena	160
Pyrrophyta	Massartia	160

Zooplankton

Order	Suborder	Genus	#/m3
Copepoda	Cyclopoida	Mesocyclops	2.06
Cladocera	Bosminidae	Bosmina	2.64
Cladocera	Sididae	Diaphanasoma	1.17

Results from 7/21/99