Clean Lakes Program: Stone - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Stone

 

Lagrange County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-31
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
11.3
3.2
41
25
105
7.9
7
340
360
71
101
0.01
0.01
0.02
0.023
0.25
0.26
0.018
0.018
0.722
0.569
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
25.5
25
24.8
24.2
21.5
20
18
DO (mg/L)
8.4
8.6
8.6
8.4
8
4
0.5
0.1
                                                                           
% Water Column Oxic: 87.5
 
Blue-Green Dominance (% of NU): 82
 
          Carlson TSI: 45
                    Indiana TSI: 15
                                                                           
Blue-Greens (#/L): 1195   Greens (#/L): 95   Diatoms (#/L): 141   Other Algae (#/L): 0   Rotifers (#/L): 33   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-07-12
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
1993
11.3
3.3
62
23
105
8.4
7.9
235
220
98
122.5
0.01
0.01
0.017
0.045
1.94
1.172
0.048
0.024
0.078
0.766
0.23
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
27
27
23.5
20
17
15
13
DO (mg/L)
8.9
8.7
8.7
8.6
8.7
9.1
5.6
0.6
0.3
0.1
                                                                           
% Water Column Oxic: 82.4
 
Blue-Green Dominance (% of NU): 56
 
          Carlson TSI: 42
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 8297   Greens (#/L): 73   Diatoms (#/L): 759   Other Algae (#/L): 5703   Rotifers (#/L): 116   Zooplankton (#/L): 0
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-24
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
11.3
2.4
45
25
119.6
8.8
8
205.4
236.1
79
101
0.01
0.01
0.035
0.035
1.43
0.022
0.022
0.045
0.018
0.23
0.23
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
25.7
25.5
25.1
24.6
24.5
24.2
23.1
20.6
19.2
DO (mg/L)
9.8
9.8
9.8
10.2
10.1
10
9.3
6.8
1.4
0.2
                                                                           
% Water Column Oxic: 88
 
Blue-Green Dominance (% of NU): 43
 
          Carlson TSI: 45
                    Indiana TSI: 5
                                                                           
Blue-Greens (#/L): 972   Greens (#/L): 31   Diatoms (#/L): 36   Other Algae (#/L): 1188   Rotifers (#/L): 54   Zooplankton (#/L): 3.9
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-14
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
9.14
2.5
35
19
104
8.7
7.5
241.8
229.4
121
124
0.01
0.01
0.01
0.023
2.14
0.013
0.013
0.018
0.137
0.626
0.852
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
26.8
25.9
25.8
25.4
25.1
21.4
19
17.7
17.2
16.8
DO (mg/L)
7.7
7.4
8.5
8.4
8.3
7.7
7.1
1.3
0.14
0.1
0.1
                                                                           
% Water Column Oxic: 65.6
 
Blue-Green Dominance (% of NU): 85
 
          Carlson TSI: 41
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 1813   Greens (#/L): 97   Diatoms (#/L): 175   Other Algae (#/L): 39   Rotifers (#/L): 0   Zooplankton (#/L): 3.6
 
 

2011

         
Sample Location: Deep Hole
Sample Date: 2011-07-05
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
8.84
3.8
7.8
24.5
101.8
8.9
7.5
185.1
186.8
84
108.5
0.01
0.01
0.013
0.033
2.88
0.01818
0.0154305
0.018
0.018
0.694092
0.707706
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)
26.6
26.5
26.3
26.3
26
24.5
22.2
18.8
16.6
15.5
DO (mg/L)
7.89
7.9
8.12
8.26
7.82
8.22
7.12
3.21
0.61
0.02
                                                                           
% Water Column Oxic: 67.8
 
Blue-Green Dominance (% of NU): 87.1
 
Blue-Green Dominance (% of cells): 52.2
          Carlson TSI: 41
                   
                                                                           
Blue-Greens (#/L): 2960098   Greens (#/L): 2460804   Diatoms (#/L): 17832   Other Algae (#/L): 196151   Rotifers (#/L): 1   Zooplankton (#/L): 29.6
Blue-Greens (cells/L): 34202   Greens (cells/L): 4850   Diatoms (cells/L): 18   Other Algae (cells/L): 196   Rotifers (cells/L): 0.001   Zooplankton (cells/L): 0.03
 
 

 

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)