Clean Lakes Program: Hog - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Hog

 

Steuben County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-11
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
1989
7.9
2.7
57
19
111
8.2
7.3
600
530
190
212
0.01
0.01
0.089
0.083
1.055
0.798
0.226
0.783
1.398
1.488
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)
29
28.2
27.8
22.8
18.8
15.5
14
13
DO (mg/L)
8.5
8.5
8.4
9.7
5.4
0.2
0.1
0.1
                                                                           
% Water Column Oxic: 75
 
Blue-Green Dominance (% of NU): 8
 
          Carlson TSI: 58
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 767   Greens (#/L): 2299   Diatoms (#/L): 4514   Other Algae (#/L): 1407   Rotifers (#/L): 79   Zooplankton (#/L): 0
 
 

1992

         
Sample Location: Deep Hole
Sample Date: 1992-08-03
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
1992
7.9
2.7
51
19
102.65
7.8
6.7
460
460
151
180
0.01
0.01
0.01
0.026
0.624
0.409
0.163
0.747
0.436
0.394
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
24
23.4
23.1
22.8
22.2
21.4
19.1
14.9
DO (mg/L)
8.6
8.7
8.6
8.8
8.4
7.9
6.2
0.2
0.2
                                                                           
% Water Column Oxic: 65.8
 
Blue-Green Dominance (% of NU): 33
 
          Carlson TSI: 42
                    Indiana TSI: 7
                                                                           
Blue-Greens (#/L): 125   Greens (#/L): 5   Diatoms (#/L): 44   Other Algae (#/L): 58   Rotifers (#/L): 151   Zooplankton (#/L): 0
 
 

1997

         
Sample Location: Deep Hole
Sample Date: 1997-07-29
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
1997
7.9
2.8
60
20
122.9
8.31
7.42
453
452
141.9
198.6
0.01
0.01
0.02
0.031
2.55
0.222
0.07
0.018
0.607
0.683
1.236
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
26
24.8
21.2
17.4
14.9
DO (mg/L)
9.6
9.6
9.8
9.8
10
8.3
6.1
0.1
0.1
                                                                           
% Water Column Oxic: 75
 
Blue-Green Dominance (% of NU): 28
 
          Carlson TSI: 44
                    Indiana TSI: 8
                                                                           
Blue-Greens (#/L): 489   Greens (#/L): 94   Diatoms (#/L): 146   Other Algae (#/L): 979   Rotifers (#/L): 31   Zooplankton (#/L): 23.7
 
 

2002

         
Sample Location: Deep Hole
Sample Date: 2002-07-08
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
2002
7.9
1.6
32
20
116.4
8.1
7.8
630
468
146
195
0.01
0.01
0.046
0.046
1.81
0.279
0.301
0.174
0.586
0.925
1.07
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)
29.3
29.2
29
28.9
27
22.7
18.2
15.2
13.4
DO (mg/L)
8.9
8.9
8.9
9
8.6
10.8
6.3
1.5
0.2
                                                                           
% Water Column Oxic: 75.8
 
Blue-Green Dominance (% of NU): 9
 
          Carlson TSI: 49
                    Indiana TSI: 9
                                                                           
Blue-Greens (#/L): 135   Greens (#/L): 16   Diatoms (#/L): 57   Other Algae (#/L): 1128   Rotifers (#/L): 83   Zooplankton (#/L): 54.2
 
 

2009

         
Sample Location: Deep Hole
Sample Date: 2009-06-29
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
2009
7.9
2.4
4.69
18.5
95.8
8.2
7.6
495.8
416.4
176
196
0.01
0.01
0.015
0.036
5.01
0.268
0.15
0.15
0.576
0.91
1.355
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
26.1
26.1
26.1
26.1
25.4
18.9
15.9
13.7
DO (mg/L)
7.8
7.7
7.7
7.4
7.5
7.3
1.8
0.12
0.02
                                                                           
% Water Column Oxic: 50.63
 
Blue-Green Dominance (% of NU): 37.7
 
          Carlson TSI: 45
                    Indiana TSI: 11
                                                                           
Blue-Greens (#/L): 4006   Greens (#/L): 236   Diatoms (#/L): 2683   Other Algae (#/L): 3208   Rotifers (#/L): 381   Zooplankton (#/L): 125.7
 
 

2011

         
Sample Location: Deep Hole
Sample Date: 2011-06-27
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
7.9
3.6
13.7
15.7
105.3
8.3
8.5
469.7
401.1
175
193.5
0.01
0.01
0.017
1.618
3.41
0.285014
0.236576
0.082922
0.333394
0.998847
1.231586
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)
24.6
24.6
24.6
24.4
23.5
21.3
18.1
15
13.5
DO (mg/L)
8.8
8.7
8.5
9.1
8.9
9.2
7.3
0.4
0.03
                                                                           
% Water Column Oxic: 63.3
 
Blue-Green Dominance (% of NU): 79.6
 
Blue-Green Dominance (% of cells): 49.2
          Carlson TSI: 43
                   
                                                                           
Blue-Greens (#/L): 954752   Greens (#/L): 377087   Diatoms (#/L): 224648   Other Algae (#/L): 385110   Rotifers (#/L): 25   Zooplankton (#/L): 54.4
Blue-Greens (cells/L): 12456   Greens (cells/L): 1320   Diatoms (cells/L): 225   Other Algae (cells/L): 1645   Rotifers (cells/L): 0.025   Zooplankton (cells/L): 0.0544
 
 

 

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)