Clean Lakes Program: Olin - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Olin

  

Lagrange County

1993

          
Sample Location: Deep Hole
Sample Date: 1993-07-19
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
1993
24.4
2.5
56
23.8
89
8.3
7.4
470
280
194.5
214.5
0.01
0.048
0.01
0.045
3.03
1.343
0.989
0.018
0.214
0.403
0.314
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)
25.2
25.4
25.2
25.2
25
20.3
17
13
10
7.5
6.2
5.2
4.9
4.5
4.2
4.2
4
4
4
4
4
4
4
4
4
DO (mg/L)
7.6
7.5
7.6
7.5
7.4
6.4
7.3
9.4
9.7
8.1
6.2
5.2
4.4
4
3.7
3.1
2.9
2.9
2.6
1.8
1.4
0.7
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 82
  
Blue-Green Dominance (% of NU): 94
  
          Carlson TSI: 42
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 18990   Greens (#/L): 39   Diatoms (#/L): 535   Other Algae (#/L): 527   Rotifers (#/L): 169   Zooplankton (#/L): 0
 
 

2000

          
Sample Location: Deep Hole
Sample Date: 2000-07-11
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
2000
24.4
1.2
14
18
106.9
8.4
7.7
476
321.3
166
202
0.01
0.01
0.039
0.054
1.22
1.694
0.2
0.06
0.536
0.553
0.847
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)
25.2
25.2
25.1
25
24.8
23.2
19
13.5
11
9.3
8.4
7.6
7.3
7
6.7
6.6
6.3
6.1
5.9
5.9
5.6
5.5
5.5
5.4
5.4
5.3
DO (mg/L)
8.52
8.82
8.78
8.61
8.55
11.7
16.16
12.9
10.55
8.75
7.69
8.15
6.62
3.63
2.6
2
1.33
1.63
1.5
1.46
0.58
0.53
0.53
0.53
0.54
0.53
                                                                           
% Water Column Oxic: 75
  
Blue-Green Dominance (% of NU): 64
  
          Carlson TSI: 49
                    Indiana TSI: 26
                                                                           
Blue-Greens (#/L): 1697   Greens (#/L): 29   Diatoms (#/L): 196   Other Algae (#/L): 646   Rotifers (#/L): 58   Zooplankton (#/L): 15.4
 
 

2003

          
Sample Location: Deep Hole
Sample Date: 2003-07-07
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
2003
21.25
1.7
51
24
98
8.3
7.7
524
319.4
175
199
0.01
0.01
0.01
0.01
3.4
1.461
0.989
0.018
0.018
0.615
0.549
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)
27
26.7
26.5
26.5
26.4
21.3
18.3
16.4
12.1
9
6.9
6
5.6
5.5
5.4
5.3
5.3
5.2
5.2
5.2
5.1
5.1
DO (mg/L)
8.1
7.3
7.2
7.7
8
14.2
13.7
13.1
11.2
10.1
9.3
7.1
6.3
5.5
5.4
5
4.9
4.1
3.4
3.1
2.8
1.3
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 94
  
          Carlson TSI: 44
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 11641   Greens (#/L): 13   Diatoms (#/L): 73   Other Algae (#/L): 462   Rotifers (#/L): 73   Zooplankton (#/L): 72.1
 
 

2008

          
Sample Location: Deep Hole
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
24.4
2.1
33.33
19
108
8.4
7.6
406
494
162
215
0.01
0.342
0.016
0.333
2
0.332
0.166
0.05
0.69
0.43
1.3
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)
27.19
27.19
27.18
27.16
26.75
24.18
17.54
12.6
8.91
6.91
6.08
5.65
5.45
5.2
5.07
5
4.9
4.84
4.82
4.77
4.76
4.73
4.68
5.65
4.64
4.64
DO (mg/L)
8.35
8.33
8.5
8.48
8.71
8.3
8.36
10.19
7.5
4.51
3.8
3.36
2.66
3.06
2.9
2.3
1.92
1.36
0.71
0.5
0.42
0.42
0.41
0.38
0.39
0.37
                                                                           
% Water Column Oxic: 65.5
  
Blue-Green Dominance (% of NU): 94.9
  
          Carlson TSI: 43
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 10394   Greens (#/L): 63   Diatoms (#/L): 189   Other Algae (#/L): 274   Rotifers (#/L): 21   Zooplankton (#/L): 12.3
 
 

2010

          
Sample Location: Deep Hole
Sample Date: 2010-07-20
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
2010
22.9
1.8
18.8
19
91.4
8.3
7.6
465
294
190
229
0.01
0.01
0.01
0.019
1.15
1.79
0.679
0.021
0.251
0.746
0.657
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)
28.2
28.3
28.3
28.7
28.2
24.2
18.5
13.8
10.5
7.9
6
5
4.6
4.5
4.3
4.3
4.2
4.1
4.1
4.1
4.1
4.1
4.1
4.1
DO (mg/L)
7.9
7.8
7.9
7.8
7.8
9.5
9.3
9.7
8.2
5.1
2
1.3
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 44
  
Blue-Green Dominance (% of NU): 9.1
  
Blue-Green Dominance (% of cells): 10.6
           Carlson TSI: 40
                    Indiana TSI: 36
                                                                           
Blue-Greens (#/L): 273589   Greens (#/L): 281879   Diatoms (#/L): 787604   Other Algae (#/L): 1235294   Rotifers (#/L): 0   Zooplankton (#/L): 20.6
Blue-Greens (cells/L): 5284   Greens (cells/L): 50523   Diatoms (cells/L): 788   Other Algae (cells/L): 1459   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

 

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)