Clean Lakes Program: Cedar - Lake County

 

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Indiana Clean Lakes Program Lake Report

Cedar

  

Lake County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-08-21
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1989
4.3
0.2
1
3
103
9.6
9.5
310
310
106
108.5
0.01
0.01
0.055
0.044
1.141
2.778
0.047
0.048
1.098
1.298
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24.3
23.9
23.8
23.5
23.5
DO (mg/L)
9.2
8.2
7.8
8
8
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 100
  
          Carlson TSI: 73
                    Indiana TSI: 48
                                                                           
Blue-Greens (#/L): 489183   Greens (#/L): 417   Diatoms (#/L): 1251   Other Algae (#/L): 0   Rotifers (#/L): 11   Zooplankton (#/L): 0
 
 

1995

          
Sample Location: Deep Hole
Sample Date: 1995-07-10
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1995
4.3
0.3
1
3
105
8.8
8.6
310
311
91
92.5
0.01
0.008
0.167
0.174
65.1
0.022
0.022
0.028
0.03
2.474
2.549
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
28
24.6
24.2
24.2
24.2
23.3
DO (mg/L)
12.1
9.9
8.8
8.6
8.3
6.4
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 95
  
          Carlson TSI: 76
                    Indiana TSI: 42
                                                                           
Blue-Greens (#/L): 113514   Greens (#/L): 2076   Diatoms (#/L): 692   Other Algae (#/L): 2769   Rotifers (#/L): 0   Zooplankton (#/L): 0
 
 

1999

          
Sample Location: Deep Hole
Sample Date: 1999-07-27
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1999
4.3
0.4
4
4
84
9.3
8.9
328
325
79
79
0.012
0.018
0.153
0.208
64.88
0.022
0.022
0.018
0.018
1.103
1.275
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
30.3
29.4
29.3
29.3
29
28.3
DO (mg/L)
10.2
7.3
6.4
6.3
6.5
0.8
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 82
  
          Carlson TSI: 74
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 9645   Greens (#/L): 832   Diatoms (#/L): 118   Other Algae (#/L): 235   Rotifers (#/L): 941   Zooplankton (#/L): 45.5
 
 

2005

          
Sample Location: Deep Hole
Sample Date: 2005-07-05
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2005
3.9
0.3
0
2.4
73
8.9
8.5
385
385
96
98
0.014
0.015
0.151
0.177
58.86
0.013
0.013
0.081
0.25
1.835
1.265
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27.3
26.3
26
25.9
25.8
25.7
DO (mg/L)
8.9
6.7
5.9
5.7
5.1
5.2
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 96
  
          Carlson TSI: 75
                    Indiana TSI: 46
                                                                           
Blue-Greens (#/L): 448800   Greens (#/L): 12877   Diatoms (#/L): 3141   Other Algae (#/L): 1884   Rotifers (#/L): 628   Zooplankton (#/L): 250.7
 
 

2008

          
Sample Location: Site 1
Sample Date: 2008-07-21
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2008
3.96
0.25
0.27
1.5
92.3
9.8
9.6
304
303
64
64
0.01
0.01
0.244
0.2
112.14
0.013
0.013
0.034
0.025
2.303
1.402
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27
27
27
27
DO (mg/L)
7.3
7.3
7.1
7.1
7
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 8.9
  
          Carlson TSI: 80
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 225   Greens (#/L): 1012   Diatoms (#/L): 281   Other Algae (#/L): 844   Rotifers (#/L): 112   Zooplankton (#/L): 66.5
 
 

2008

          
Sample Location: Site 3
Sample Date: 2008-07-21
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2008
2.74
0.25
0.06
1
97.5
9.8
9.7
304
304
64
73
0.01
0.015
0.237
0.202
47.62
0.013
0.013
0.033
0.018
1.849
1.598
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27.2
27.2
27.2
27
DO (mg/L)
8.5
8.3
8
7.6
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 98.8
  
          Carlson TSI: 77
                    Indiana TSI: 52
                                                                           
Blue-Greens (#/L): 728588   Greens (#/L): 2960   Diatoms (#/L): 0   Other Algae (#/L): 2537   Rotifers (#/L): 3383   Zooplankton (#/L): 150.7
 
 

2008

          
Sample Location: Site 2
Sample Date: 2008-07-23
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2008
3.66
0.3
0.12
2
106.7
9.5
9.5
430.5
305
65
65
0.01
0.01
0.017
0.192
125.95
0.013
0.013
0.04
0.023
2.374
2.999
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
27
27
27.1
27.1
26.8
DO (mg/L)
8.3
8.3
8.2
8
6.2
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 0.006
  
          Carlson TSI: 67
                    Indiana TSI: 20
                                                                           
Blue-Greens (#/L): 107   Greens (#/L): 14570   Diatoms (#/L): 107   Other Algae (#/L): 2242   Rotifers (#/L): 0   Zooplankton (#/L): 45.6
 
 

2012

          
Sample Location: Deep Hole
Sample Date: 2012-06-27
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2012
3.66
0.25
0.16
1.5
80.6
7.4
305.2
307.8
93
0.01
0.164
124.03
0.013
0.022
3.57
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24
24.6
24.6
24.7
24.5
DO (mg/L)
8.12
7.1
7.11
7.06
4.64
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 99.1
  
Blue-Green Dominance (% of cells): 83.4
           Carlson TSI: 79
                   
                                                                           
Blue-Greens (#/L): 60741703   Greens (#/L): 8880260   Diatoms (#/L): 3145840   Other Algae (#/L): 35952   Rotifers (#/L): 2591   Zooplankton (#/L): 2339
Blue-Greens (cells/L): 3679089   Greens (cells/L): 29643   Diatoms (cells/L): 3235   Other Algae (cells/L): 36   Rotifers (cells/L): 2   Zooplankton (cells/L): 2
 
 

2015

          
Sample Location: deep hole
Sample Date: 2015-07-13
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2015
4.2
0.2
0.064
1.148
9.4
335
103
0.043
0.126
109.07
0.013
0.018
1.2575
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24
23.9
23.9
23.8
DO (mg/L)
12
11.64
11.65
11.2
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 78
                   
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L):   Other Algae (#/L):   Rotifers (#/L):   Zooplankton (#/L):
Blue-Greens (cells/L):   Greens (cells/L):   Diatoms (cells/L):   Other Algae (cells/L):   Rotifers (cells/L):   Zooplankton (cells/L):
 
 

 

In 2011 CLP changed plankton sampling methods, thus the Indiana TSI is no longer calculated.
Epi
 Epilimnion
Alk
 Alkalinity (mg CaCO3/L)
DO
 Dissolved Oxygen (mg/L)
NH3
 Ammonia (mg-N/L)
SRP
 Soluable Reactive Phosphorus (mg-P/L)
Hypo
 Hypolimnion
Chl-a
 Chlorophyll-a (ug/L)
Light 3'
 Percent light penetration at 3ft
NO3
 Nitrate (mg-N/L)
TP
 Total Phosphorus (mg-P/L)
   
Cond
 Conductivity
1% Light Level
 Depth of the 1% light level (ft)
TKN
 Total Kjeldahl Nitrogen (mg-N/L)
Temp
 Temperature (oC)