Clean Lakes Program: Gage - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Gage

  

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
20.1
5.7
75
46
99
8
7
430
330
123
128.5
0.01
0.01
0.029
0.035
0.727
0.741
0.049
0.702
0.917
1.737
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
25
25
24.9
24
20.5
16.5
13.8
12
10.9
9.5
9
8.3
8
7.9
7.5
7.4
7.2
7.1
DO (mg/L)
8.1
8.2
8.1
8.1
7.9
7.5
7.6
7.5
7.6
6.1
5.4
4.7
4.2
4
3.5
2.5
2.4
2
0.8
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 10
  
          Carlson TSI: 44
                    Indiana TSI: 9
                                                                           
Blue-Greens (#/L): 616   Greens (#/L): 1445   Diatoms (#/L): 3544   Other Algae (#/L): 302   Rotifers (#/L): 527   Zooplankton (#/L): 0
 
 

1992

          
Sample Location: Deep Hole
Sample Date: 1992-07-21
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
1992
20.1
4.7
45
37
95.9
8.2
7.2
410
385
141
156
0.01
0.016
0.016
0.038
0.807
0.692
0.034
1.287
0.82
1.292
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)
23.5
23.5
23.5
23.5
23.5
23.5
22.9
22.5
18.9
15.5
13
11.1
9.9
9
8.5
8.5
8
8
7.8
7.5
7.5
7.1
7.1
DO (mg/L)
8.2
8.2
8.15
8.3
8.2
8.3
8.3
8.4
9.7
10.6
9.65
7.5
5.9
3.8
2.1
1.6
0.4
0.3
0.1
0.05
0
0
0
                                                                           
% Water Column Oxic: 70
  
Blue-Green Dominance (% of NU): 5
  
          Carlson TSI: 41
                    Indiana TSI: 10
                                                                           
Blue-Greens (#/L): 285   Greens (#/L): 0   Diatoms (#/L): 4710   Other Algae (#/L): 231   Rotifers (#/L): 128   Zooplankton (#/L): 0
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-08-18
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
20.1
3.6
40
33
104.7
8.38
7.5
380
340
138.5
178.3
0.01
0.01
0.015
0.015
1.64
0.155
0.022
0.055
1.125
0.6
1.4
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)
23.5
23
23
23
23
23
23
22.8
21.1
17
14.3
12.5
11.5
11
10.5
10
10
9.9
9
9.2
9.1
9
8.9
DO (mg/L)
8.85
8.98
8.98
9.05
9.1
9.02
8.95
8.95
8.25
6.49
5.1
2.8
1.2
0.7
0.15
0.1
0.1
0.01
0
0
0
0
0
                                                                           
% Water Column Oxic: 66.7
  
Blue-Green Dominance (% of NU): 52
  
          Carlson TSI: 40
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 387   Greens (#/L): 124   Diatoms (#/L): 22   Other Algae (#/L): 190   Rotifers (#/L): 15   Zooplankton (#/L): 7
 
 

2002

          
Sample Location: Deep Hole
Sample Date: 2002-07-02
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
20.1
2
47
28
106.5
8.3
7.8
445
340
138
157
0.01
0.01
0.02
0.027
2.05
0.276
0.199
0.06
0.439
0.557
0.999
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)
28.3
28.3
28.3
28.3
28.3
28.2
19.4
17.3
14.6
13
12.4
11.4
10.7
9.8
9.3
8.6
8.1
7.7
7.6
7.4
7.2
7.3
DO (mg/L)
8.3
8.3
8.3
8.3
8.3
8.3
13
13.8
12.2
10.1
9.3
8.1
7.3
6.4
5.5
4.7
3.8
3.4
3.3
2.3
1.3
0.33
                                                                           
% Water Column Oxic: 94.4
  
Blue-Green Dominance (% of NU): 36
  
          Carlson TSI: 45
                    Indiana TSI: 4
                                                                           
Blue-Greens (#/L): 257   Greens (#/L): 144   Diatoms (#/L): 157   Other Algae (#/L): 50   Rotifers (#/L): 85   Zooplankton (#/L): 24
 
 

2009

          
Sample Location: Deep Hole
Sample Date: 2009-06-30
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
2009
21
3.6
20.3
33.5
81.7
8.3
7.8
403
276.1
149
152
0.01
0.01
0.01
0.01
1
0.265
0.234
0.036
0.03
0.593
0.665
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)
24.1
24.2
24.2
24.2
24.2
24.2
24.2
21
17.8
16.4
13.5
11.6
10.4
9.2
8.8
8.6
8.3
8.1
8
7.9
7.8
7.6
7.5
DO (mg/L)
7
7.2
7.1
7.2
7.2
7.1
7.1
7.8
8.2
8.1
7.7
7.3
6.6
6
5.2
4.8
3.8
3.4
3.7
2.7
2.5
0.7
0.02
                                                                           
% Water Column Oxic: 90.47
  
Blue-Green Dominance (% of NU): 45.7
  
          Carlson TSI: 37
                    Indiana TSI: 7
                                                                           
Blue-Greens (#/L): 4952   Greens (#/L): 364   Diatoms (#/L): 271   Other Algae (#/L): 5130   Rotifers (#/L): 103   Zooplankton (#/L): 24.5
 
 

2011

          
Sample Location: Deep Hole
Sample Date: 2011-06-27
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
2011
20.42
2.1
27.5
23.3
103
8.5
7.9
389
288
151
157
0.01
0.01
0.01
0.02
2.26
0.117713
0.149144
0.018
0.19992
0.679343
0.746458
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)
23.8
23.6
23.6
23.1
23
22.8
22.1
21
15.3
13.6
13.1
10.8
13.3
10
9.6
9.5
9.4
9.3
9.3
9.2
9.1
9.1
DO (mg/L)
8.7
8.7
8.7
8.8
8.8
8.7
8.6
9.1
10.6
10.4
10
7.6
6
5
3.4
2.4
2.2
1.9
1.5
1.3
0.8
0.1
                                                                           
% Water Column Oxic: 88.1
  
Blue-Green Dominance (% of NU): 53.7
  
Blue-Green Dominance (% of cells): 37.3
           Carlson TSI: 42
                   
                                                                           
Blue-Greens (#/L): 697421   Greens (#/L): 981895   Diatoms (#/L): 110119   Other Algae (#/L): 82589   Rotifers (#/L): 12   Zooplankton (#/L): 22.5
Blue-Greens (cells/L): 31903   Greens (cells/L): 27319   Diatoms (cells/L): 110   Other Algae (cells/L): 83   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)