Clean Lakes Program: Hamilton - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Hamilton

 

Steuben County

1992

         
Sample Location: Deep Hole
Sample Date: 1992-08-18
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
21.3
1.2
30
14
98.36
7.8
7
335
370
131.5
175.5
0.01
0.334
0.051
0.394
0.165
0.165
0.033
0.971
0.332
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)
21
21.9
21.9
21.8
21.8
21.4
21.2
18.4
17.8
13.4
11.9
10.3
9.9
9.4
9
8.8
8.2
7.9
7.7
7.2
7.2
DO (mg/L)
8.7
8.6
8.6
8.5
8.5
7.7
7.3
5.1
0.2
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 33.8
 
Blue-Green Dominance (% of NU): 89
 
          Carlson TSI: 59
                    Indiana TSI: 37
                                                                           
Blue-Greens (#/L): 39752   Greens (#/L): 466   Diatoms (#/L): 621   Other Algae (#/L): 3144   Rotifers (#/L): 582   Zooplankton (#/L): 131.9
 
 

1997

         
Sample Location: Deep Hole
Sample Date: 1997-08-04
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
21.3
1.3
40
15
97.8
8.2
7.38
330
310
139.8
183.4
0.01
0.523
0.05
0.63
9.02
0.059
0.059
0.018
1.764
0.475
2.271
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)
26.1
26.1
26.1
26
26
25.9
24.8
19.5
17.1
14.9
13.1
12.3
11.9
11.5
11.3
11.2
11
10.8
10.5
10.1
9.9
9.8
DO (mg/L)
7.7
7.8
7.9
7.8
7.6
6.4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 31.6
 
Blue-Green Dominance (% of NU): 20
 
          Carlson TSI: 56
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 798   Greens (#/L): 1097   Diatoms (#/L): 250   Other Algae (#/L): 1374   Rotifers (#/L): 430   Zooplankton (#/L): 27.8
 
 

2002

         
Sample Location: Deep Hole
Sample Date: 2002-08-05
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
2002
21.3
1.5
25
4.27
98
8.4
8.4
370
295
135
177
0.01
0.15
0.043
0.232
3.79
0.013
0.024
0.031
1.027
1.068
1.723
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)
28.4
28.4
28.4
28.4
27.5
26.1
24.4
19.2
15.3
13
11.9
11.2
10.7
10.3
9.8
9.4
8.7
8.1
7.8
7.6
7.5
7.2
DO (mg/L)
7.6
7.6
7.6
7.6
6.9
5.7
2.3
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 24.5
 
Blue-Green Dominance (% of NU): 70
 
          Carlson TSI: 52
                    Indiana TSI: 36
                                                                           
Blue-Greens (#/L): 5258   Greens (#/L): 600   Diatoms (#/L): 314   Other Algae (#/L): 886   Rotifers (#/L): 372   Zooplankton (#/L): 77.6
 
 

2008

         
Sample Location: Site 1
Sample Date: 2008-07-14
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
21
3.1
20
23
96.5
8.4
7.3
310
240
135
162
0.01
0.239
0.03
0.444
3.1
0.013
0.022
0.018
1.162
0.572
1.48
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)
25.1
25.1
25.1
25
25
24.9
24.9
22.5
20.7
17.8
14.5
12.4
11.4
10.7
10.3
9.8
9.3
9
8.7
8.4
8.3
8.2
DO (mg/L)
7.7
7.8
8.1
7.6
7.7
7.8
7.7
2.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 28.5
 
Blue-Green Dominance (% of NU): 0.8
 
          Carlson TSI: 46
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 6   Greens (#/L): 102   Diatoms (#/L): 433   Other Algae (#/L): 120   Rotifers (#/L): 72   Zooplankton (#/L): 15.3
 
 

2008

         
Sample Location: Site 2
Sample Date: 2008-07-14
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
13
3.5
26
23
86.5
8.3
7.5
310
250
136
152
0.01
0.027
0.049
0.049
3.1
0.013
0.154
0.018
0.139
0.49
0.608
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)
25.2
25.2
25.1
25
25
24.9
24.3
23
20.7
17.5
14.8
12.5
11.6
10.6
DO (mg/L)
7.8
7.6
7.8
7.7
7.5
7.5
76.4
3.2
0.1
0
0
0
0
0
                                                                           
% Water Column Oxic: 46.15
 
Blue-Green Dominance (% of NU): 2.2
 
          Carlson TSI: 48
                    Indiana TSI: 9
                                                                           
Blue-Greens (#/L): 42   Greens (#/L): 176   Diatoms (#/L): 1195   Other Algae (#/L): 443   Rotifers (#/L): 17   Zooplankton (#/L): 9.7
 
 

2008

         
Sample Location: Site 3
Sample Date: 2008-07-14
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
10
3.1
17
19.5
85.2
8.2
7.6
310
270
135
148
0.01
0.012
0.023
0.056
2.94
0.013
0.013
0.018
0.193
0.459
0.772
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)
25.1
25.1
25
25
20
24.6
24.2
22.7
21.4
18.4
14.5
12.2
DO (mg/L)
7.4
7.4
7.1
7.3
6.9
6.7
5.6
3.3
0.8
0
0
0
                                                                           
% Water Column Oxic: 60
 
Blue-Green Dominance (% of NU): 0.9
 
          Carlson TSI: 45
                    Indiana TSI: 8
                                                                           
Blue-Greens (#/L): 10   Greens (#/L): 339   Diatoms (#/L): 544   Other Algae (#/L): 164   Rotifers (#/L): 123   Zooplankton (#/L): 18.4
 
 

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
20.1
1.8
0.1198
13.3
113.4
8.8
7.6
308
257
147
165
0.01
0.08
0.031
0.112
18.66
0.049522
0.210799
0.018
0.533927
1.053166
1.219671
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)
23.4
23.4
23.4
23.4
23.3
23.2
21.9
18.2
14
12.8
12.6
12.2
11.7
11.2
11
10.8
10.65
10.5
10.35
10.2
10
9.8
DO (mg/L)
9.7
9.7
9.7
9.7
9.4
9.3
5.8
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 25
 
Blue-Green Dominance (% of NU): 98.6
 
Blue-Green Dominance (% of cells): 85.1
          Carlson TSI: 55
                   
                                                                           
Blue-Greens (#/L): 1620641   Greens (#/L): 112066   Diatoms (#/L): 155168   Other Algae (#/L): 17241   Rotifers (#/L): 0   Zooplankton (#/L): 75.6
Blue-Greens (cells/L): 89971   Greens (cells/L): 431   Diatoms (cells/L): 784   Other Algae (cells/L): 17   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)