Clean Lakes Program: Story (Lower) - DeKalb County

 

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Indiana Clean Lakes Program Lake Report

Story (Lower)

  

DeKalb County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-08-07
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
1989
32
2
50
15
89
7
7.5
430
450
160
286
0.01
0.538
0.044
0.587
0.478
0.788
0.045
4.555
1.734
8.685
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
19
14
11
9
DO (mg/L)
7.5
7.4
7.3
1.8
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 57
  
Blue-Green Dominance (% of NU): 42
  
          Carlson TSI: 55
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 1920   Greens (#/L): 0   Diatoms (#/L): 242   Other Algae (#/L): 1777   Rotifers (#/L): 614   Zooplankton (#/L): 0
 
 

1994

          
Sample Location: Deep Hole
Sample Date: 1994-07-06
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
1994
9.1
2
42
12.5
110
8.4
7.4
450
390
183.8
235.2
0.01
0.162
0.01
0.265
6.87
0.022
0.022
0.018
0.134
0.23
0.555
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
28.8
28.5
28
26.5
22.5
17.5
14.5
12.5
DO (mg/L)
9
9.2
9.1
9.8
5
0.3
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 56
  
Blue-Green Dominance (% of NU): 60
  
          Carlson TSI: 45
                    Indiana TSI: 31
                                                                           
Blue-Greens (#/L): 38510   Greens (#/L): 287   Diatoms (#/L): 2198   Other Algae (#/L): 22408   Rotifers (#/L): 0   Zooplankton (#/L): 387
 
 

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
9.1
2.5
40
11.5
89.5
8.3
7.4
410
400
150
240
0.01
0.596
0.042
0.68
2.6
0.013
0.013
0.018
3.957
0.709
4.888
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)
28.6
28
27.6
27.2
26.1
18.9
13.6
10.6
9.4
9
DO (mg/L)
6.9
7
7
7.1
7.6
1.3
0.2
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 48.6
  
Blue-Green Dominance (% of NU): 81
  
          Carlson TSI: 48
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 18965   Greens (#/L): 1292   Diatoms (#/L): 302   Other Algae (#/L): 2584   Rotifers (#/L): 220   Zooplankton (#/L): 72.7
 
 

2009

          
Sample Location: Deep Hole
Sample Date: 2009-07-07
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
2009
9.14
1.4
19.81
9.84
99.5
8.3
7.4
386.1
293.2
178
209
0.01
0.313
0.022
0.344
15.51
0.015
0.014
0.018
1.905
1
3.215
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)
24.3
24.2
24.1
23.9
20.8
14.1
11
9.1
8
7.5
7.4
DO (mg/L)
8.3
8.3
8.3
8
1
0.02
0
0
0
0
0
                                                                           
% Water Column Oxic: 21.88
  
Blue-Green Dominance (% of NU): 98.5
  
          Carlson TSI: 54
                    Indiana TSI: 56
                                                                           
Blue-Greens (#/L): 297486   Greens (#/L): 1480   Diatoms (#/L): 1172   Other Algae (#/L): 432   Rotifers (#/L): 1233   Zooplankton (#/L): 87.8
 
 

2013

          
Sample Location: Deep Hole
Sample Date: 2013-07-15
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
9.1
1.2
2.34
6.88
8.25
7.2
474
564
168
188
0
0.185
29.69
0.013
0.013
0.023
0.433
2.253
2.286
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)
27.37
26.75
24.25
19.46
14.49
10.84
9.25
8.32
7.7
DO (mg/L)
9.31
7.7
6.69
0.35
0.22
0.19
0.16
0.13
0.14
                                                                           
% Water Column Oxic: 21.98
  
Blue-Green Dominance (% of NU): 96
  
Blue-Green Dominance (% of cells): 62.5
           Carlson TSI: 0
                   
                                                                           
Blue-Greens (#/L): 44896   Greens (#/L): 20882   Diatoms (#/L): 3480   Other Algae (#/L): 1740   Rotifers (#/L): 626   Zooplankton (#/L): 256
Blue-Greens (cells/L): 1121   Greens (cells/L): 35   Diatoms (cells/L): 9   Other Algae (cells/L): 3   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
9.14
2.4
22.11
13.45
8.2
7.4
454
684
158
195
0.257
0.326
0.013
0.033
6.96
0.013
0.013
0.044
3.9
0.896
5.333
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)
26.4
25.6
24.8
23.3
18.3
12
8.9
6.5
6.2
5.9
DO (mg/L)
6.97
6.46
6.62
5.09
1.43
0.26
0.21
0.18
0.17
0.21
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 81.6
  
Blue-Green Dominance (% of cells): 41.6
           Carlson TSI: 49
                   
                                                                           
Blue-Greens (#/L): 17423   Greens (#/L): 16824   Diatoms (#/L): 2804   Other Algae (#/L): 3804   Rotifers (#/L): 847   Zooplankton (#/L): 219
Blue-Greens (cells/L): 258   Greens (cells/L): 50   Diatoms (cells/L): 3   Other Algae (cells/L): 4   Rotifers (cells/L): 1   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)