Clean Lakes Program: Dallas - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Dallas

  

Lagrange County

1993

          
Sample Location: Deep Hole
Sample Date: 1993-07-19
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
30.2
2.1
53
17
100
8.3
7.2
440
350
184
201.5
0.01
0.252
0.013
0.253
5.03
0.311
0.325
0.018
0.92
0.641
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)
26
26
25.8
25.8
25.5
25.5
19
15
12
9.8
8
7.5
7
6.5
6.2
6
5.8
5.2
5
4.8
4.5
4.5
4.2
4.2
4
4
4
4
4
DO (mg/L)
8.3
8.3
8.4
8.3
8.3
8.3
0.5
0.2
0.2
1.1
2.4
2.6
2.8
3
2.7
3.1
3.9
3.6
3.1
2.9
2.1
1.5
0.6
0.2
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 78.6
  
Blue-Green Dominance (% of NU): 40
  
          Carlson TSI: 45
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 12774   Greens (#/L): 59   Diatoms (#/L): 473   Other Algae (#/L): 18155   Rotifers (#/L): 197   Zooplankton (#/L): 0
 
 

2000

          
Sample Location: Deep Hole
Sample Date: 2000-07-11
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
30.2
1.6
41
16
95.2
8.35
7.6
456.6
299
165
194
0.01
0.23
0.022
0.219
2.9
0.225
0.109
0.087
1.029
0.778
1.949
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
25.4
25
24.8
24.6
19.9
16.4
13
9.7
8.8
8.1
8
7.8
7.7
7.6
7.4
7.3
7
6.9
6.6
6.4
6.2
6
5.9
5.8
5.7
5.7
5.6
5.6
5.6
DO (mg/L)
7.8
8.02
8.09
7.85
7.82
7.7
5.1
2.7
1.3
1.2
1
1.8
2.1
2.1
2.9
3.2
3.2
2.1
2.1
1.5
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
                                                                           
% Water Column Oxic: 62
  
Blue-Green Dominance (% of NU): 91
  
          Carlson TSI: 48
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 18388   Greens (#/L): 148   Diatoms (#/L): 247   Other Algae (#/L): 1086   Rotifers (#/L): 370   Zooplankton (#/L): 45.5
 
 

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
28.9
2
60
19
98
8.4
7.6
475.5
303.8
180
202
0.01
0.186
0.017
0.118
8.6
0.09
0.037
0.026
1.103
0.641
1.373
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
26.6
26.3
26.2
26.2
26.2
19.9
17.1
13.7
12.1
9.5
8.4
7.8
7
6.7
6.4
6.3
6
5.9
5.8
5.7
5.6
5.6
5.5
5.5
5.5
5.4
5.4
DO (mg/L)
7.8
7.8
7.5
7.8
7.9
7.9
7.8
7.7
6.3
3.6
1.8
1.9
2.2
2.7
2.8
3.4
3.7
3.2
2.8
2.2
1.9
1.2
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 69.9
  
Blue-Green Dominance (% of NU): 97
  
          Carlson TSI: 49
                    Indiana TSI: 26
                                                                           
Blue-Greens (#/L): 40254   Greens (#/L): 130   Diatoms (#/L): 148   Other Algae (#/L): 1131   Rotifers (#/L): 37   Zooplankton (#/L): 25.3
 
 

2006

          
Sample Location: Site 2
Sample Date: 2006-06-26
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
2006
23
2.4
17
18.5
112
8.4
7.7
476.5
308.7
184
203
0.016
0.107
0.022
0.125
0.07
0.409
0.038
0.048
1.128
0.884
1.825
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
26.5
26.3
25.1
22.1
17.4
14.8
12.3
10.6
9
8.1
7.6
7.4
7.2
7
6.9
6.7
6.6
6.5
6.5
6.4
6.3
6.3
6.3
DO (mg/L)
9.1
8.9
8.9
9
9.3
11.1
9.2
4.6
2.1
1.2
1.4
1.6
0.7
1.3
1.9
0.5
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 57
  
Blue-Green Dominance (% of NU): 74
  
          Carlson TSI: 33
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 19389   Greens (#/L): 539   Diatoms (#/L): 539   Other Algae (#/L): 5365   Rotifers (#/L): 331   Zooplankton (#/L): 25.2
 
 

2006

          
Sample Location: Site 1
Sample Date: 2006-06-26
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
2006
29
2.1
21
15
110
8.5
7.7
477
141
182
196
0.019
0.068
0.027
0.088
0
0.355
0.071
0.246
0.789
0.897
1.626
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
26.7
26.6
26.6
26.6
22.7
18.2
14.7
12.6
10.7
9.1
8.2
7.6
7.3
7
6.8
6.7
6.5
6.3
6.3
6.1
6
6
5.9
5.9
5.8
5.8
5.7
5.7
5.6
5.6
DO (mg/L)
8.9
8.9
8.7
8.9
8.9
10.6
9.8
4.6
2.7
1.3
1.7
2.2
3
3.5
4.4
5.1
3.5
3.8
4.1
3.4
2.9
2.3
2.1
1
0.1
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 76
  
Blue-Green Dominance (% of NU): 72.9
  
          Carlson TSI: 51
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 10251   Greens (#/L): 280   Diatoms (#/L): 472   Other Algae (#/L): 2764   Rotifers (#/L): 262   Zooplankton (#/L): 23.2
 
 

2006

          
Sample Location: Site 3
Sample Date: 2006-06-26
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
2006
10
2.4
18
18
109
8.5
7.8
474.5
328.8
182
197
0.013
0.01
0.027
0.03
0.067
0.413
0.382
0.081
0.23
0.893
0.991
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)
26.7
26.4
26.3
25.9
25.6
22.8
18.2
14.9
12.4
10.7
9.3
8.2
DO (mg/L)
8.8
8.8
8.9
8.7
8.7
10
8.3
2.7
0.2
0
0.1
0.4
                                                                           
% Water Column Oxic: 60
  
Blue-Green Dominance (% of NU): 74.8
  
          Carlson TSI: 34
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 8954   Greens (#/L): 305   Diatoms (#/L): 473   Other Algae (#/L): 2044   Rotifers (#/L): 168   Zooplankton (#/L): 24.1
 
 

2010

          
Sample Location: Deep Hole
Sample Date: 2010-08-09
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
2010
30.6
1.3
13.7
13.9
98
7.9
7
416
286
193
229
0.01
0.309
0.012
0.301
3.6
0.013
0.013
0.018
1.753
0.785
2.59
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)
27.2
27
26.8
26.8
26.8
26.6
23.6
15.6
12.7
10.1
8.6
7.7
7.3
7
6.7
6.5
6.2
6
5.8
5.5
5.5
5.3
5.2
5.1
5.1
5
5
4.9
4.9
4.9
4.9
DO (mg/L)
7.7
7.8
7.8
7.8
7.7
6.8
0.1
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 13
  
Blue-Green Dominance (% of NU): 93.1
  
Blue-Green Dominance (% of cells): 87.9
           Carlson TSI: 46
                    Indiana TSI: 60
                                                                           
Blue-Greens (#/L): 7033121   Greens (#/L): 266659   Diatoms (#/L): 683318   Other Algae (#/L): 16666   Rotifers (#/L): 0   Zooplankton (#/L): 8.1
Blue-Greens (cells/L): 87687   Greens (cells/L): 2143   Diatoms (cells/L): 4323   Other Algae (cells/L): 17   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2014

          
Sample Location: Deep Hole
Sample Date: 2014-07-21
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
2014
30.48
1.4
8.92
16.4
8.6
7.7
372
420
170
196
0.01
0.23
0.023
0.274
1.33
0.215
0.083
0.047
1.082
0.922
1.621
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)
26.7
25.8
25.3
25.1
23.9
21.3
15.6
11.8
10.4
9.4
8.6
7.9
7
6.4
5.9
5.5
5.2
5
4.9
4.7
4.5
4.4
4.3
4.3
4.2
4.2
4.2
4.1
4.1
4.2
4.2
DO (mg/L)
14.49
14.23
13.65
13.56
12.41
5.637
0.45
0.46
0.39
2.47
2.94
5.9
7.94
10.03
10.86
10.63
11.3
8.57
7.56
5.15
1.41
0.18
0.18
0.19
0.15
0.13
0.08
0.1
0.11
0.19
0.27
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 75.1
  
Blue-Green Dominance (% of cells): 56.9
           Carlson TSI: 55
                   
                                                                           
Blue-Greens (#/L): 32577   Greens (#/L): 13083   Diatoms (#/L): 1335   Other Algae (#/L): 10146   Rotifers (#/L): 20   Zooplankton (#/L): 62
Blue-Greens (cells/L): 434   Greens (cells/L): 81   Diatoms (cells/L): 1   Other Algae (cells/L): 62   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)