Clean Lakes Program: Buck - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Buck

  

Steuben County

1992

          
Sample Location: Deep Hole
Sample Date: 1992-07-13
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
1992
12.5
2.5
55
17
99.51
7
6.9
520
470
184
239
0.01
0.194
0.045
0.248
0.315
0.471
0.026
2.454
0.921
2.147
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
24.9
24.5
24.2
22.8
17.1
12.2
7.9
7
5.6
5.1
4.9
4.7
4.6
DO (mg/L)
8.1
8.4
8.3
7.8
5.8
7.6
5.4
0.7
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 48
  
Blue-Green Dominance (% of NU): 27
  
          Carlson TSI: 53
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 1522   Greens (#/L): 175   Diatoms (#/L): 732   Other Algae (#/L): 3044   Rotifers (#/L): 205   Zooplankton (#/L): 0
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-08-11
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
1997
12.5
2.4
30
11
76
7.89
7.1
449
392
199.4
278.1
0.01
0.812
0.015
0.92
5.56
0.023
0.023
0.018
3.504
0.7
4.8
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
24
24
22.8
18.1
13
9.9
7.1
6
5.3
4.9
4.8
4.6
DO (mg/L)
6.55
6.45
6.4
6.5
5.85
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 36.4
  
Blue-Green Dominance (% of NU): 47
  
          Carlson TSI: 46
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 18710   Greens (#/L): 682   Diatoms (#/L): 2363   Other Algae (#/L): 17906   Rotifers (#/L): 317   Zooplankton (#/L): 6.3
 
 

2011

          
Sample Location: Deep Hole
Sample Date: 2011-08-01
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
2011
12.5
2.4
17
3.5
83
8.1
8
535
440
201
199
0.01
0.01
0.017
0.02
2.69
0.013
0.013
0.018
0.018
0.748246
0.845221
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
29.1
28.9
28.3
24.5
16.3
10.5
7.6
6
5
4.8
4.6
4.5
4.5
DO (mg/L)
7.1
6.7
6
1.5
0.1
0
0
0.1
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 16
  
Blue-Green Dominance (% of NU): 82
  
Blue-Green Dominance (% of cells): 13.3
           Carlson TSI: 44
                   
                                                                           
Blue-Greens (#/L): 409622   Greens (#/L): 2048112   Diatoms (#/L): 392555   Other Algae (#/L): 238946   Rotifers (#/L): 3   Zooplankton (#/L): 41.3
Blue-Greens (cells/L): 34202   Greens (cells/L): 6438   Diatoms (cells/L): 393   Other Algae (cells/L): 700   Rotifers (cells/L): 0.003   Zooplankton (cells/L): 0.04
 
 

2013

          
Sample Location: Deep Hole
Sample Date: 2013-07-22
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
2013
10.75
2
2.74
8.25
7.5
7.5
535
689
185
204
0.003
0.298
0.075
0.352
21.51
0.013
0.013
0.018
1.711
1.217
2.667
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)
28.45
27.67
25.47
19.49
14.43
10.18
7.62
6.18
5.38
4.93
4.77
DO (mg/L)
3.67
3.53
0.72
0.19
0.13
0.13
0.1
0.1
0.11
0.09
0.09
                                                                           
% Water Column Oxic: 9.3
  
Blue-Green Dominance (% of NU): 94.8
  
Blue-Green Dominance (% of cells): 93.1
           Carlson TSI: 64
                   
                                                                           
Blue-Greens (#/L): 82610   Greens (#/L): 3304   Diatoms (#/L):   Other Algae (#/L): 2596   Rotifers (#/L): 103   Zooplankton (#/L): 115
Blue-Greens (cells/L): 329   Greens (cells/L): 17   Diatoms (cells/L):   Other Algae (cells/L): 1   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)