Clean Lakes Program: Dogwood - Sullivan County

 

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Indiana Clean Lakes Program Lake Report

Dogwood

  

Sullivan County

2001

          
Sample Location: Deep Hole
Sample Date: 2001-07-16
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
2001
10.1
6.8
52
33
95
8.05
7.4
1400
1100
67
163
0.01
0.01
0.01
0.025
0.59
0.013
0.017
0.056
0.047
0.615
0.488
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)
30
27.5
27.3
27.2
27
26.4
22.9
19.4
16.4
14.1
12.2
10.8
10
DO (mg/L)
7.6
7.9
7.5
7.6
7.4
6.2
9.9
8.5
5.5
3.6
1.4
0.9
0.45
                                                                           
% Water Column Oxic: 82
  
Blue-Green Dominance (% of NU): 0
  
          Carlson TSI: 31
                    Indiana TSI: 4
                                                                           
Blue-Greens (#/L): 0   Greens (#/L): 0   Diatoms (#/L): 23   Other Algae (#/L): 3532   Rotifers (#/L): 11   Zooplankton (#/L): 19.3
 
 

2008

          
Sample Location: Deep Hole
Sample Date: 2008-08-05
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
2008
9.75
4.7
8.93
21.32
121.5
7.8
7
1174
1740
97
210
0.01
0.01
0.01
0.01
2.58
0.013
0.013
0.018
0.018
0.529
0.578
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)
28.08
28.08
28.08
28.05
27.6
23.92
19.74
16.33
13.86
13.38
11.33
DO (mg/L)
8.85
8.97
9.27
7.84
6.67
6.43
5.4
5.44
1.22
0.64
0.059
                                                                           
% Water Column Oxic: 71.8
  
Blue-Green Dominance (% of NU): 9
  
          Carlson TSI: 38
                    Indiana TSI: 12
                                                                           
Blue-Greens (#/L): 2925   Greens (#/L): 239   Diatoms (#/L): 239   Other Algae (#/L): 29008   Rotifers (#/L): 90   Zooplankton (#/L): 5.5
 
 

2010

          
Sample Location: Deep Hole
Sample Date: 2010-08-16
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
10.7
2.3
20
14.8
50.4
7.8
7.2
1149
1053
98
201
0.01
0.01
0.017
0.051
4.45
0.013
0.013
0.041
0.235
0.718
0.783
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)
30.2
30.1
30.1
30.1
29.9
27.1
23.5
20.2
16.1
13.9
12.1
10.8
DO (mg/L)
3.7
3.7
3.7
3.7
2.6
4.3
4.3
0
0
0
0
0
                                                                           
% Water Column Oxic: 47
  
Blue-Green Dominance (% of NU): 99.5
  
Blue-Green Dominance (% of cells): 95.1
           Carlson TSI: 46
                    Indiana TSI: 45
                                                                           
Blue-Greens (#/L): 966637   Greens (#/L): 0   Diatoms (#/L): 16666   Other Algae (#/L): 33332   Rotifers (#/L): 0   Zooplankton (#/L): 13.7
Blue-Greens (cells/L): 10765   Greens (cells/L): 0   Diatoms (cells/L): 17   Other Algae (cells/L): 33   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2013

          
Sample Location: Deep Hole
Sample Date: 2013-07-10
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
10.67
3.4
20.8
6.6
8
7
1112
1690
98
192
0.002
0.011
0.028
0.045
1.06
0.013
0.013
0.302
0.237
0.339
0.695
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)
27.46
27.44
25.91
24.81
22.65
17.33
14.24
12.23
10.88
10.22
DO (mg/L)
7.72
7.65
6.48
4.76
4.47
6.89
6.23
3.6
0.82
0.43
                                                                           
% Water Column Oxic: 65.6
  
Blue-Green Dominance (% of NU): 17.1
  
Blue-Green Dominance (% of cells): 8.6
           Carlson TSI: 43
                   
                                                                           
Blue-Greens (#/L): 11720   Greens (#/L): 977   Diatoms (#/L): 1628   Other Algae (#/L): 120766   Rotifers (#/L): 510   Zooplankton (#/L): 526
Blue-Greens (cells/L): 249   Greens (cells/L): 10   Diatoms (cells/L): 2   Other Algae (cells/L): 1196   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)