Clean Lakes Program: Fox - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Fox

  

Steuben County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-07-17
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
17.4
4.3
64
28
105
8.2
7.1
590
410
204.6
225.4
0.01
0.01
0.044
0.052
0.589
0.741
0.025
1.627
0.719
2.071
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
25.2
24.5
18.5
14.8
12
10.2
9.5
8.9
8
8
8
8
8
8
7.9
DO (mg/L)
8.3
8.5
8.3
7.8
7.9
6.8
5.4
3.4
2.2
1.5
0.4
0.2
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 70.6
  
Blue-Green Dominance (% of NU): 38
  
          Carlson TSI: 49
                    Indiana TSI: 11
                                                                           
Blue-Greens (#/L): 866   Greens (#/L): 94   Diatoms (#/L): 735   Other Algae (#/L): 223   Rotifers (#/L): 379   Zooplankton (#/L): 0
 
 

1992

          
Sample Location: Deep Hole
Sample Date: 1992-08-04
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
17.4
2.7
57
23
97.88
7.7
6.8
475
420
128
161
0.01
0.086
0.013
0.054
0.67
0.556
0.216
1.157
0.452
0.342
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)
22.6
22.5
22.6
22.5
22.5
22.4
21.1
15.9
13.5
10.2
10
8.9
8.1
8
8
7.8
7.8
7.8
DO (mg/L)
8.2
8.1
8.2
8.2
8.3
8.2
7.3
0.8
0.2
0.2
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 34.5
  
Blue-Green Dominance (% of NU): 63
  
          Carlson TSI: 44
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 1381   Greens (#/L): 97   Diatoms (#/L): 58   Other Algae (#/L): 58   Rotifers (#/L): 609   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
17.4
3.5
45
46
100
8.54
7.47
485
421
153.8
180.9
0.01
0.104
0.015
0.13
1.97
0.023
0.023
0.018
1.314
0.7
1.8
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)
24.9
24.8
24.9
24.9
24.9
24.8
24.9
16.5
15
13
11.2
10.1
9.8
9.8
9.3
9.1
9
9
DO (mg/L)
8.2
8.3
8.3
8.3
8.3
8.3
7.4
1.4
0.3
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 53.3
  
Blue-Green Dominance (% of NU): 90
  
          Carlson TSI: 41
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 2099   Greens (#/L): 37   Diatoms (#/L): 9   Other Algae (#/L): 159   Rotifers (#/L): 0   Zooplankton (#/L): 18.6
 
 

2002

          
Sample Location: Deep Hole
Sample Date: 2002-08-12
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
17.4
3.7
65
23
84.3
8.3
7.6
500
410
135
171
0.01
0.073
0.014
0.093
0.29
0.013
0.013
0.457
2.086
0.719
2.021
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)
26.8
26.7
26.6
26.6
26.3
25.9
23.8
17.6
14.3
11.7
10.3
9
8.4
8
7.8
7.6
7.5
7.5
7.4
DO (mg/L)
6.8
6.8
6.8
6.7
6.8
6.8
9.5
6.8
2.4
0.6
0.7
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 40.3
  
Blue-Green Dominance (% of NU): 95
  
          Carlson TSI: 34
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 2807   Greens (#/L): 13   Diatoms (#/L): 13   Other Algae (#/L): 59   Rotifers (#/L): 33   Zooplankton (#/L): 17.2
 
 

2008

          
Sample Location: Site 1
Sample Date: 2008-07-08
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
17
1.3
21
16
117
8.6
7.5
430.8
306
136
165
0.01
0.016
0.04
0.078
1.91
0.013
0.013
0.027
0.898
0.66
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)
25.8
25.8
25.8
25.2
24.4
23.2
20.9
16.2
11.7
9.8
8.6
7.8
7.3
7.2
7.1
7
7
6.9
6.9
DO (mg/L)
9.4
9.5
9.5
10.4
10.4
9.7
10.9
8.9
7.1
5.7
3.4
1.7
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 58.8
  
Blue-Green Dominance (% of NU): 58.1
  
          Carlson TSI: 50
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 291   Greens (#/L): 61   Diatoms (#/L): 85   Other Algae (#/L): 61   Rotifers (#/L): 0   Zooplankton (#/L): 4.1
 
 

2008

          
Sample Location: Site 2
Sample Date: 2008-07-08
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
15
1.3
19
15.7
121.4
8.6
7.5
430.5
308.4
135.5
166
0.01
0.01
0.03
0.053
2.28
0.013
0.013
0.018
0.893
0.611
1.434
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)
25.9
25.8
25.6
25.2
24
23.3
20.5
14.8
11.3
9.2
8.1
7.5
7.3
7.2
7.1
7.1
DO (mg/L)
9.8
9.8
9.9
10.5
10.3
9.8
11.1
8.3
6.7
5
2
0.1
0
0
0
0
                                                                           
% Water Column Oxic: 60
  
Blue-Green Dominance (% of NU): 55.6
  
          Carlson TSI: 49
                    Indiana TSI: 29
                                                                           
Blue-Greens (#/L): 293   Greens (#/L): 85   Diatoms (#/L): 76   Other Algae (#/L): 57   Rotifers (#/L): 9   Zooplankton (#/L): 7.5
 
 

2008

          
Sample Location: Site 3
Sample Date: 2008-07-08
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
15
1.5
16
15.7
120.2
8.5
7.5
430.1
308.8
137
159
0.01
0.027
0.045
0.079
3.36
0.013
0.013
0.019
0.88
0.652
1.564
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
25.8
25.7
24.2
23.3
20.5
15.3
11
9.5
8.1
7.6
7.3
7
6.9
6.9
6.9
6.9
DO (mg/L)
9.9
9.8
9.7
9.6
10.5
9.9
10.9
8.4
6.2
5.3
4.9
1.9
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 66.7
  
Blue-Green Dominance (% of NU): 44.4
  
          Carlson TSI: 52
                    Indiana TSI: 20
                                                                           
Blue-Greens (#/L): 696   Greens (#/L): 721   Diatoms (#/L): 96   Other Algae (#/L): 48   Rotifers (#/L): 0   Zooplankton (#/L): 7.5
 
 

2008

          
Sample Location: Deep Hole
Sample Date: 2008-08-11
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
2008
10.36
2.7
18.2
17.5
131
8.4
7.6
509
671
99
243
0.013
0.01
0.028
0.056
3.5
0.013
0.013
0.044
0.756
0.457
1.495
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
26.99
26.97
26.94
25
20.5
16.87
12.61
11.01
10.22
DO (mg/L)
10.3
10.49
10.31
10.42
10.5
10.36
7.6
6.18
2.5
1.52
1.2
0.94
                                                                           
% Water Column Oxic: 86.9
  
Blue-Green Dominance (% of NU): 30.2
  
          Carlson TSI: 47
                    Indiana TSI: 12
                                                                           
Blue-Greens (#/L): 393   Greens (#/L): 25   Diatoms (#/L): 50   Other Algae (#/L): 591   Rotifers (#/L): 208   Zooplankton (#/L): 9.3
 
 

2013

          
Sample Location: Deep Hole
Sample Date: 2013-07-08
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
17.68
3.05
19.3
19
6.5
6.9
492
540
202
140
0.002
0.0485
0.01
0.093
1.48
0.013
0.013
0.026
1.13
0.305
1.773
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)
25.51
25.49
25.43
25.01
23.1
17.69
12.9
10.71
9.63
9.09
8.6
8.24
8.01
7.93
7.89
7.85
7.82
7.78
DO (mg/L)
7.82
7.76
7.7
7.77
8.8
14.29
12.82
6.34
2.62
0.33
0.2
0.15
0.13
0.11
0.09
0.11
0.11
0.1
                                                                           
% Water Column Oxic: 45.25
  
Blue-Green Dominance (% of NU): 35.5
  
Blue-Green Dominance (% of cells): 30.3
           Carlson TSI: 46
                   
                                                                           
Blue-Greens (#/L): 18432   Greens (#/L): 5671   Diatoms (#/L): 7656   Other Algae (#/L): 28924   Rotifers (#/L): 121   Zooplankton (#/L): 31
Blue-Greens (cells/L): 476   Greens (cells/L): 54   Diatoms (cells/L): 9   Other Algae (cells/L): 803   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2014

          
Sample Location: Deep Hole
Sample Date: 2014-07-22
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
2014
17.68
2.9
26.6
23
8.6
7.5
465
558
145
177
0.01
0.01
0.033
0.046
2.885
0.013
0.013
0.046
1.032
0.734
1.889
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)
26.8
26.7
25.7
24.8
24
20.1
15.1
12.8
11.4
10.3
9
8
7.3
7.1
6.9
6.7
6.6
6.5
DO (mg/L)
7.6
7.7
7.95
8.1
8.1
9.8
7.5
6.2
2.6
1.6
1.2
0.7
0.5
0.4
0.3
0.2
0.2
0.2
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 91.2
  
Blue-Green Dominance (% of cells): 73.6
           Carlson TSI: 48
                   
                                                                           
Blue-Greens (#/L): 47263   Greens (#/L): 13885   Diatoms (#/L): 267   Other Algae (#/L): 2670   Rotifers (#/L): 68   Zooplankton (#/L): 31
Blue-Greens (cells/L): 1074   Greens (cells/L): 101   Diatoms (cells/L): 0   Other Algae (cells/L): 3   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)