Clean Lakes Program: Lake of the Woods - Lagrange County

 

Go back to the Indiana Clean Lakes Website

Go back to the Indiana Map to select another county

Indiana Clean Lakes Program Lake Report

Lake of the Woods

  

Lagrange County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-07-19
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
24.7
1.4
26
13
116
7.7
6.6
395
290
202.1
254.8
0.01
0.331
0.029
0.334
1.619
0.497
0.91
1.183
1.56
2.73
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)
25.8
25.8
25.5
22.2
16.8
13
10
8.1
7.2
6.8
6
5.9
5.8
5.7
5.5
5.4
5.4
5.3
5.2
5.2
5.1
5.1
5.1
5.1
5.1
DO (mg/L)
9.4
9.4
9.4
13.5
5.2
1.6
2.1
3
3.1
3.1
2.9
2.7
2.6
2.2
1.8
1
0.7
0.3
0.2
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 76
  
Blue-Green Dominance (% of NU): 3
  
          Carlson TSI: 54
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 88   Greens (#/L): 0   Diatoms (#/L): 254   Other Algae (#/L): 2566   Rotifers (#/L): 450   Zooplankton (#/L): 0
 
 

1992

          
Sample Location: Deep Hole
Sample Date: 1992-08-25
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
1992
24.7
1
57
14.6
128.3
8.4
8.4
394
390
137
139
0.01
0.01
0.026
0.017
1.605
1.586
0.05
0.063
0.595
0.308
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)
25.1
24.5
24.1
24.1
23
22.1
19
15.1
11.8
9.2
8.1
7.5
6.8
6.5
6
6
6
6
6
6
5.9
5.9
5.9
5.8
5.8
5.8
5.7
DO (mg/L)
10.3
10.8
10.8
10.7
10
7
0.15
0.1
0.1
0.1
0.1
0.2
0.7
0.2
0.1
0.1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
                                                                           
% Water Column Oxic: 32
  
Blue-Green Dominance (% of NU): 77
  
          Carlson TSI: 56
                    Indiana TSI: 36
                                                                           
Blue-Greens (#/L): 63216   Greens (#/L): 439   Diatoms (#/L): 1902   Other Algae (#/L): 14925   Rotifers (#/L): 1472   Zooplankton (#/L): 0
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-08-26
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
1997
24.7
1.7
30
13
120.7
8.58
7.41
361
321
148.7
196.2
0.01
0.236
0.015
0.29
18.06
1.035
0.022
0.018
1.405
1.4
2.4
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)
21.5
21
21
21
21
20.9
20.2
18.2
13.1
11.1
9.8
8.8
8
7.1
6.9
6.5
6.5
6.2
6.1
6
6
6
6
6
6
6
6
DO (mg/L)
10.4
10.8
10.75
10.5
10.2
10.2
7.45
2.87
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 28
  
Blue-Green Dominance (% of NU): 92
  
          Carlson TSI: 51
                    Indiana TSI: 54
                                                                           
Blue-Greens (#/L): 374255   Greens (#/L): 6493   Diatoms (#/L): 13577   Other Algae (#/L): 11806   Rotifers (#/L): 197   Zooplankton (#/L): 41.5
 
 

2002

          
Sample Location: Deep Hole
Sample Date: 2002-08-05
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
2002
24.7
1.2
60
16
100.4
8.5
8.3
425
390
135
191
0.01
0.203
0.022
0.219
1.6
0.955
0.308
0.018
0.784
0.748
1.464
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)
29.2
29.2
29.2
29.1
28
24.5
18.1
14.3
11.3
9.6
8.3
7.6
6.6
6.1
5.9
5.8
5.7
5.6
5.6
5.6
5.6
5.5
5.5
5.4
5.4
5.4
DO (mg/L)
7.7
7.7
7.7
7.7
7.6
7.3
4.3
1.7
0.8
1.2
1.4
1.5
2.3
2
1.5
1.6
1.4
1
0.7
0.5
0.3
0.3
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 24.3
  
Blue-Green Dominance (% of NU): 100
  
          Carlson TSI: 47
                    Indiana TSI: 34
                                                                           
Blue-Greens (#/L): 1064   Greens (#/L): 0   Diatoms (#/L): 0   Other Algae (#/L): 0   Rotifers (#/L): 0   Zooplankton (#/L): 0
 
 

2006

          
Sample Location: Site 1
Sample Date: 2006-07-24
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
2006
25.3
1.1
9
13.3
168.9
8.9
7.5
399.4
298
130
175
0.01
0.109
0.05
0.168
16.91
1.358
0.301
0.018
0.842
1.367
1.648
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)
27.8
27.7
27.5
27
25.6
23.4
18.8
13.9
11.5
9
8.2
7.4
6.9
6.5
6.3
6.3
6.2
6.1
6.1
6.1
6.1
6
6
5.9
5.9
5.9
DO (mg/L)
14
13.6
13.7
13
9
3.6
3.6
1.8
0.6
1.1
1.7
1.8
2.2
1.6
1
0.4
0.2
0.1
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 48
  
Blue-Green Dominance (% of NU): 78.6
  
          Carlson TSI: 59
                    Indiana TSI: 54
                                                                           
Blue-Greens (#/L): 106933   Greens (#/L): 3846   Diatoms (#/L): 12587   Other Algae (#/L): 5711   Rotifers (#/L): 6993   Zooplankton (#/L): 35.1
 
 

2006

          
Sample Location: Site 2
Sample Date: 2006-07-24
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
2006
22.3
1.1
19
12
174.4
8.9
7.5
398.9
461.4
134
166
0.011
0.018
0.05
0.039
20.79
1.355
1.197
0.018
0.262
1.106
0.918
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
27.3
26.8
26.6
26.1
22.8
18.5
15.1
12.1
9
8.7
7.4
6.9
6.5
6.4
6.3
6.2
6.2
6.2
6.2
6.1
6.1
6.1
6.1
DO (mg/L)
14
13.9
14
14.3
13
3
3.5
1.9
1
1.2
1.6
1.5
1.7
1
0.6
0.1
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 54.5
  
Blue-Green Dominance (% of NU): 93.6
  
          Carlson TSI: 60
                    Indiana TSI: 53
                                                                           
Blue-Greens (#/L): 268394   Greens (#/L): 4454   Diatoms (#/L): 8351   Other Algae (#/L): 5456   Rotifers (#/L): 56   Zooplankton (#/L): 33
 
 

2006

          
Sample Location: Site 3
Sample Date: 2006-07-24
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
2006
10.6
0.9
9
10.5
166
9
7
400.6
316.7
129
164
0.01
0.011
0.047
0.045
17.98
1.319
1.618
0.018
0.059
1.198
0.76
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
27.9
27.8
27.7
27.3
22.6
18
14
11.2
9.8
8.5
7.7
7.4
DO (mg/L)
13.2
13.3
13.2
13.1
12.6
3.6
2.1
0.7
0.2
0.5
1.1
1
0.1
                                                                           
% Water Column Oxic: 81.8
  
Blue-Green Dominance (% of NU): 91.8
  
          Carlson TSI: 60
                    Indiana TSI: 52
                                                                           
Blue-Greens (#/L): 235215   Greens (#/L): 1912   Diatoms (#/L): 12519   Other Algae (#/L): 6105   Rotifers (#/L): 432   Zooplankton (#/L): 33.7
 
 

 

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)