Clean Lakes Program: Emma - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Emma

 

Lagrange County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-07-07
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
1990
9.8
1
41
15
163
8.1
7.3
620
520
213.9
218.5
0.01
0.047
0.029
0.061
1.425
0.351
0.04
2.785
1.498
1.678
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)
24.2
22.2
19.3
16.3
14.2
13
11.9
11
10.7
DO (mg/L)
14.3
13.9
9.7
0.8
0.2
0.2
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 67
 
Blue-Green Dominance (% of NU): 18
 
          Carlson TSI: 57
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 7772   Greens (#/L): 1689   Diatoms (#/L): 14192   Other Algae (#/L): 18078   Rotifers (#/L): 481   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-07-13
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
1993
9.8
2.6
55
17
119
8.2
7.7
700
610
267.3
311
0.015
0.392
0.06
0.39
2.32
0.585
0.037
0.113
1.853
0.357
0.469
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
23.5
22.5
22
20
17
15
14
13
13
12.5
DO (mg/L)
8.8
9
10.6
7.2
0.8
0.6
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 41
 
Blue-Green Dominance (% of NU): 12
 
          Carlson TSI: 49
                    Indiana TSI: 23
                                                                           
Blue-Greens (#/L): 4553   Greens (#/L): 63   Diatoms (#/L): 6767   Other Algae (#/L): 26691   Rotifers (#/L): 517   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
9.8
0.8
17
9
122.7
8.2
7.6
621
573
208
334
0.014
0.856
0.071
0.962
18.42
0.022
0.022
0.018
1.832
0.912
5.106
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
23.3
22.9
22.8
22.6
21.4
17.9
14.2
11.8
11.3
DO (mg/L)
12.7
12.8
11.2
10.4
6.4
0.3
0.2
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 38
 
Blue-Green Dominance (% of NU): 46
 
          Carlson TSI: 63
                    Indiana TSI: 31
                                                                           
Blue-Greens (#/L): 1600   Greens (#/L): 513   Diatoms (#/L): 1160   Other Algae (#/L): 12   Rotifers (#/L): 159   Zooplankton (#/L): 3.3
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-07
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
2003
9.1
2.4
35
15
125
8.2
7.7
717
229
305
0.01
0.077
0.017
0.035
4.29
1.17
0.521
0.018
1.82
0.689
2.778
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)
25.6
25.5
25.5
25.5
24.7
20.7
18.2
14.8
13.8
12.8
12.6
DO (mg/L)
10.3
10.3
10.3
10.3
10.7
5.6
0
0
0
0
0
                                                                           
% Water Column Oxic: 44
 
Blue-Green Dominance (% of NU): 1
 
          Carlson TSI: 46
                    Indiana TSI: 42
                                                                           
Blue-Greens (#/L): 4626   Greens (#/L): 2621   Diatoms (#/L): 2313   Other Algae (#/L): 618764   Rotifers (#/L): 0   Zooplankton (#/L): 134.9
 
 

 

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)