Clean Lakes Program: Webster - Kosciusko County

 

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Indiana Clean Lakes Program Lake Report

Webster

 

Kosciusko County

1991

         
Sample Location: Deep Hole
Sample Date: 1991-07-01
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
1991
13.7
1.1
10.5
8.5
126.1
8.3
7.1
400
418
183.7
224.7
0.01
0.218
0.054
0.237
0.221
0.262
0.051
1.625
1.327
2.973
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)
29.4
29.3
29.1
27.1
26.7
23.8
18.7
15.8
13.7
12.7
12.2
11.8
11.3
11.1
10.9
10.7
10.5
DO (mg/L)
9.6
9.8
9.7
8.1
7.6
1.5
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: 27
 
Blue-Green Dominance (% of NU): 53
 
          Carlson TSI: 61
                    Indiana TSI: 41
                                                                           
Blue-Greens (#/L): 13279   Greens (#/L): 6742   Diatoms (#/L): 2533   Other Algae (#/L): 1930   Rotifers (#/L):   Zooplankton (#/L): 578
 
 

1994

         
Sample Location: Deep Hole
Sample Date: 1994-08-15
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
1994
14.6
1.3
38
13
99
8.4
7.5
380
400
159
223.9
0.01
0.253
0.023
0.277
7.96
0.022
0.022
0.018
3.51
0.528
2.901
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)
24.8
24
23.5
23
22.8
22.8
22.5
21.8
17.5
15
14
13
12
11.5
DO (mg/L)
8.4
8.4
8.4
8.3
8.1
7.7
7.8
4.7
0.2
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 34
 
          Carlson TSI: 52
                    Indiana TSI: 26
                                                                           
Blue-Greens (#/L): 11660   Greens (#/L): 18449   Diatoms (#/L): 1328   Other Algae (#/L): 1328   Rotifers (#/L): 0   Zooplankton (#/L): 1060
 
 

1998

         
Sample Location: Deep Hole
Sample Date: 1998-06-29
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
1998
14.6
1.3
32.06
10.7
104
8.3
7.5
420
360
160
198
0.01
0.255
0.022
0.277
10.92
0.022
0.022
0.018
1.654
0.699
2.36
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
28
28
28
24.2
21
17.2
15.1
12.3
10.9
10
9.2
8.6
8.3
8
8
DO (mg/L)
8
8.1
8
8
2.6
0.7
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 28.6
 
Blue-Green Dominance (% of NU): 54
 
          Carlson TSI: 53
                    Indiana TSI: 36
                                                                           
Blue-Greens (#/L): 13425   Greens (#/L): 5427   Diatoms (#/L): 2837   Other Algae (#/L): 2856   Rotifers (#/L): 419   Zooplankton (#/L): 68
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-08-05
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
2003
14.3
1.2
32
11
88
8.5
7.6
453.6
378.7
169
242
0.021
0.303
0.054
0.149
8.07
0.013
0.013
0.018
2.159
1.043
3.64
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
26.7
26.3
25.8
25.6
24.7
22.7
19.9
17.3
15.6
14.1
13.3
12.7
11.6
10.8
DO (mg/L)
7.1
7
7.1
7.1
7.1
2.7
0.04
0.02
0.02
0.02
0.02
0.02
0
0
0
                                                                           
% Water Column Oxic: 28
 
Blue-Green Dominance (% of NU): 36
 
          Carlson TSI: 57
                    Indiana TSI: 29
                                                                           
Blue-Greens (#/L): 5988   Greens (#/L): 7540   Diatoms (#/L): 2732   Other Algae (#/L): 415   Rotifers (#/L): 153   Zooplankton (#/L): 46.8
 
 

2006

         
Sample Location: Site 1
Sample Date: 2006-07-11
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
2006
14.9
4.6
17
15.3
101.3
8.3
7.5
442.3
346.7
149
201
0.01
0.199
0.032
0.236
2.44
0.05
0.046
0.018
1.175
0.655
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)
28.3
28.3
28.3
28.1
27.3
24.7
21.4
18.4
16.2
14.7
13.7
12.6
12
11.2
10.4
10.1
9.8
DO (mg/L)
8.1
7.8
7.7
7.6
6.7
4.3
0.9
0.1
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 26.7
 
Blue-Green Dominance (% of NU): 86.7
 
          Carlson TSI: 44
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 14720   Greens (#/L): 425   Diatoms (#/L): 850   Other Algae (#/L): 756   Rotifers (#/L): 220   Zooplankton (#/L): 10.2
 
 

2006

         
Sample Location: Site 2
Sample Date: 2006-07-11
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
2006
13.7
2.3
10
5.1
106.3
8.3
7.7
442
356.4
148
195.5
0.01
0.242
0.039
0.269
0
0.044
0.05
0.018
1.234
0.657
1.705
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)
28.5
28.5
28.4
28.3
27.9
26.3
23.1
19.6
16.6
15.2
14.2
13.2
12.6
12.1
11.7
DO (mg/L)
8.2
8.2
8.2
8.2
7
6.6
2.1
0.5
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 38.5
 
Blue-Green Dominance (% of NU): 80.8
 
          Carlson TSI: 53
                    Indiana TSI: 29
                                                                           
Blue-Greens (#/L): 7013   Greens (#/L): 307   Diatoms (#/L): 651   Other Algae (#/L): 396   Rotifers (#/L): 294   Zooplankton (#/L): 17.5
 
 

2006

         
Sample Location: Site 3
Sample Date: 2006-07-11
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
2006
12.3
2.2
14
15.3
103.9
8.3
7.5
441.9
352.8
151
211
0.01
0.266
0.018
0.297
3.2
0.042
0.041
0.018
2.03
0.61
2.737
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
28.5
28.5
28.5
27.9
25.2
22.7
18.4
15.9
14.1
12
10.8
9.9
9.4
DO (mg/L)
8.1
8.1
8.1
8
7.1
6.5
0.2
1.9
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 73
 
          Carlson TSI: 46
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 5221   Greens (#/L): 588   Diatoms (#/L): 353   Other Algae (#/L): 559   Rotifers (#/L): 412   Zooplankton (#/L): 17
 
 

2014

         
Sample Location: Deep Hole
Sample Date: 2014-07-01
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
13.4
1.1
8.5
7.8
401
471
156
188
0.01
0.162
0.03
0.2
5.2
0.013
0.013
0.05
1.241
0.765
1.371
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)
27.17
27.16
27.07
26.42
24.89
20.87
16.13
13.68
12.85
12.45
11.97
11.64
11.34
DO (mg/L)
7.53
7.5
7.38
7.09
3.47
0.2
0.11
0.09
0.09
0.09
0.09
0.09
0.08
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 99
 
Blue-Green Dominance (% of cells): 69.6
          Carlson TSI: 60
                   
                                                                           
Blue-Greens (#/L): 106276   Greens (#/L): 26702   Diatoms (#/L): 4806   Other Algae (#/L): 13885   Rotifers (#/L): 834   Zooplankton (#/L): 96
Blue-Greens (cells/L): 7706   Greens (cells/L): 48   Diatoms (cells/L): 14   Other Algae (cells/L): 15   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2015

         
Sample Location: deep hole
Sample Date: 2015-07-28
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
2015
15.5
1.7
4.42
10.496
8.2
7.7
437
530
175
217
0.01
0.176
0.043
0.18
3.71
0.013
0.013
0.018
0.898
0.948
1.762
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)
28.97
28.9
28
26.58
23.01
19.64
17.71
13.95
11.93
11.42
10.77
10.54
10.35
10.2
10.08
DO (mg/L)
8.53
8.66
8.85
4.85
1.42
0.84
0.48
0.34
0.27
0.24
0.23
0.19
0.17
0.16
0.15
                                                                           
% Water Column Oxic: 25.8
 
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 56
                   
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L):   Other Algae (#/L):   Rotifers (#/L):   Zooplankton (#/L):
Blue-Greens (cells/L):   Greens (cells/L):   Diatoms (cells/L):   Other Algae (cells/L):   Rotifers (cells/L):   Zooplankton (cells/L):
 
 

 

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)