Clean Lakes Program: Hackenburg - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Hackenburg

 

Lagrange County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-07-09
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
10.7
1.5
44
14
101
8.3
7.2
460
360
193.2
216.2
0.01
0.318
0.036
0.327
0.963
0.38
0.033
2.374
1.298
0.945
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
24
20
15.5
11
8
6.5
6
5.5
5.5
5
DO (mg/L)
9
7.7
7.3
0.5
1.5
2.7
0.2
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 64
 
Blue-Green Dominance (% of NU): 96
 
          Carlson TSI: 55
                    Indiana TSI: 56
                                                                           
Blue-Greens (#/L): 426552   Greens (#/L): 1526   Diatoms (#/L): 11699   Other Algae (#/L): 2544   Rotifers (#/L): 1493   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-07-20
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
10.7
2.4
47
15
85
8.1
7.5
430
360
180
214
0.01
0.501
0.01
0.551
5.83
0.171
0.09
0.09
1.984
0.502
0.567
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)
25.5
25
25
24.2
22.2
16.5
12.5
9.5
8
7
6.8
6
6
DO (mg/L)
7.2
7.3
7.3
4.2
0.9
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 43.1
 
Blue-Green Dominance (% of NU): 62
 
          Carlson TSI: 44
                    Indiana TSI: 33
                                                                           
Blue-Greens (#/L): 25172   Greens (#/L): 531   Diatoms (#/L): 435   Other Algae (#/L): 14253   Rotifers (#/L): 403   Zooplankton (#/L): 0
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-17
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
2000
10.7
2.1
35
13
89.6
8.2
7.4
444.7
334.6
156
196
0.01
0.062
0.027
0.103
0.95
0.095
0.022
0.119
1.703
0.69
2.263
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)
25.3
25.4
25.3
25.2
23.7
19.2
14.7
11.6
9.2
8.1
7.2
6.8
DO (mg/L)
7.41
7.34
7.4
7.24
7.55
6.93
0.5
0.4
0.36
0.36
0.37
0.36
                                                                           
% Water Column Oxic: 40
 
Blue-Green Dominance (% of NU): 32
 
          Carlson TSI: 44
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 29439   Greens (#/L): 402   Diatoms (#/L): 581   Other Algae (#/L): 59548   Rotifers (#/L): 893   Zooplankton (#/L): 31.5
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-08
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
2003
11
2.8
25
12
100.5
8
7.4
472.5
324
165
207
0.01
0.219
0.01
0.236
10.61
0.044
0.018
0.034
2.131
0.572
2.445
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)
27.6
27.5
27.4
26.9
23.4
17.3
12.2
9.6
7.1
6.3
5.9
5.7
DO (mg/L)
8.4
8.4
8.1
7.9
9.6
9.8
0.7
0
0
0
0
0
                                                                           
% Water Column Oxic: 36.4
 
Blue-Green Dominance (% of NU): 84
 
          Carlson TSI: 45
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 49810   Greens (#/L): 326   Diatoms (#/L): 5064   Other Algae (#/L): 3735   Rotifers (#/L): 50   Zooplankton (#/L): 25.1
 
 

2011

         
Sample Location: Deep Hole
Sample Date: 2011-07-12
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
2011
9.45
1.9
13
10.2
75
8.2
7.5
434
301
191
213
0.01
0.78
0.028
0.225
6.27
0.0171255
0.032434
0.032653
0.018
0.785424
2.152006
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)
27.9
27.8
27.5
26.2
22.7
18.2
13.7
10.9
9.6
8.3
DO (mg/L)
6.8
6.7
5.8
6.3
5.7
0.7
0
0
0
0
                                                                           
% Water Column Oxic: 31.7
 
Blue-Green Dominance (% of NU): 91.3
 
Blue-Green Dominance (% of cells): 91.3
          Carlson TSI: 51
                   
                                                                           
Blue-Greens (#/L): 34201615   Greens (#/L): 2639124   Diatoms (#/L): 249647   Other Algae (#/L): 356638   Rotifers (#/L): 33   Zooplankton (#/L): 62.9
Blue-Greens (cells/L): 34202   Greens (cells/L): 2639   Diatoms (cells/L): 250   Other Algae (cells/L): 357   Rotifers (cells/L): 0.03   Zooplankton (cells/L): 0.06
 
 

 

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)