Clean Lakes Program: Winona - Kosciusko County

 

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Indiana Clean Lakes Program Lake Report

Winona

 

Kosciusko County

1991

         
Sample Location: Deep Hole
Sample Date: 1991-07-16
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
1991
24.4
1.2
30
17
146.8
7.9
7
550
360
183.7
214.2
0.01
0.103
0.029
0.143
0.776
1.45
0.031
0.253
0.373
0.88
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
27
27
26.5
25
25
22
17.5
15
131
12
11.5
11
10.5
10
10
10
9
9
9
8.5
8.5
8
8
DO (mg/L)
11.3
11.7
11.7
11.5
9.3
8
0.8
0.2
0.2
0.3
0.3
0.2
0.1
0.3
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.2
0.2
0.1
                                                                           
% Water Column Oxic: 71
 
Blue-Green Dominance (% of NU): 95
 
          Carlson TSI: 55
                    Indiana TSI: 34
                                                                           
Blue-Greens (#/L): 14603   Greens (#/L): 327   Diatoms (#/L): 40   Other Algae (#/L): 143   Rotifers (#/L):   Zooplankton (#/L): 295
 
 

1994

         
Sample Location: Deep Hole
Sample Date: 1994-08-16
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
1994
24.4
2.3
38
14
89
8.5
7.6
428
405
172.5
219
0.01
0.307
0.01
0.373
10.53
0.31
0.06
0.018
1.152
0.522
1.628
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)
23.7
23.2
23
22.7
22.5
22.5
22.4
22.2
18.2
15
13.9
12.3
11
10.2
9.5
9
9
8.8
8.5
8.5
8.5
8.3
8.5
8.3
8.2
DO (mg/L)
8
7.8
7.6
7.4
7.4
7.3
6.6
5.3
0.2
0.1
0.1
0.2
0.2
0.1
0.2
0.1
0.1
0.1
0.2
0.1
0.2
0.1
0.1
0.2
0.2
                                                                           
% Water Column Oxic: 28
 
Blue-Green Dominance (% of NU): 75
 
          Carlson TSI: 46
                    Indiana TSI: 40
                                                                           
Blue-Greens (#/L): 83992   Greens (#/L): 1549   Diatoms (#/L): 432   Other Algae (#/L): 24996   Rotifers (#/L): 0   Zooplankton (#/L): 807
 
 

1998

         
Sample Location: Deep Hole
Sample Date: 1998-07-07
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
24.4
1.2
32
12.5
118
8.42
7.51
455
325
181.6
207.2
0.01
0.196
0.039
0.251
11.12
0.422
0.71
0.018
0.419
0.625
0.881
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)
25.8
25.8
25.8
25.5
25
22.7
20
16.8
13.5
11.5
9.9
9
8
7.75
7.3
7
6.9
6.5
6.3
6.2
6
6
6
DO (mg/L)
9.5
9.4
9.4
9.4
8.5
4.1
0.1
0.1
0.1
0.05
0.025
0.025
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 19
 
Blue-Green Dominance (% of NU): 55
 
          Carlson TSI: 56
                    Indiana TSI: 35
                                                                           
Blue-Greens (#/L): 3933   Greens (#/L): 345   Diatoms (#/L): 751   Other Algae (#/L): 1909   Rotifers (#/L): 194   Zooplankton (#/L): 17.7
 
 

2004

         
Sample Location: Deep Hole
Sample Date: 2004-07-13
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
2004
23.5
1.65
32
22.2
119.5
8.7
7.8
536
399
182
211
0.013
0.311
0.036
0.325
5.66
0.818
0.958
0.04
0.489
0.68
1.13
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)
26.3
26.3
26.3
26.2
26
24.4
23
19.8
17.7
15.4
13
11.8
10.9
10.1
9.8
9.4
9.2
8.8
8.7
8.5
8.2
8.1
DO (mg/L)
9.6
9.6
9.6
9.5
8.7
6.2
2.7
0
0
0
0
0.2
0.3
0.1
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 25
 
Blue-Green Dominance (% of NU): 42.1
 
          Carlson TSI: 52
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 2356   Greens (#/L): 60   Diatoms (#/L): 2811   Other Algae (#/L): 285   Rotifers (#/L): 77   Zooplankton (#/L): 11.2
 
 

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
23.4
1.2
14
11.3
160
8.8
7.8
522
375
170
199
0.013
0.214
0.029
0.218
9.42
0.547
0.331
0.059
0.483
1.12
1.293
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
25.6
25.4
25.2
24.2
24
22.5
18.3
15.1
13.9
12.8
11.6
10.3
9.1
8.7
8.4
8.2
8
7.9
7.9
7.8
7.7
7.7
7.6
7.6
DO (mg/L)
12.9
13.1
13.6
13.4
11.1
9
3.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 21.7
 
Blue-Green Dominance (% of NU): 65.5
 
          Carlson TSI: 54
                    Indiana TSI: 40
                                                                           
Blue-Greens (#/L): 3162   Greens (#/L): 18   Diatoms (#/L): 37   Other Algae (#/L): 1177   Rotifers (#/L): 423   Zooplankton (#/L): 8.8
 
 

2006

         
Sample Location: Site 2
Sample Date: 2006-06-27
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
2006
6
5
14
12
122
8.5
7.6
529
497
168
190
0.01
0.01
0.026
0.065
8.44
0.433
0.034
0.079
0.406
0.955
1.513
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)
26.5
25.8
25.4
25.1
24.2
23.7
20.7
17.4
DO (mg/L)
10.3
9.9
9.9
9.8
8.3
5.9
0
0
                                                                           
% Water Column Oxic: 66.7
 
Blue-Green Dominance (% of NU): 43.1
 
          Carlson TSI: 46
                    Indiana TSI: 13
                                                                           
Blue-Greens (#/L): 1655   Greens (#/L): 264   Diatoms (#/L): 810   Other Algae (#/L): 845   Rotifers (#/L): 264   Zooplankton (#/L): 5.7
 
 

2006

         
Sample Location: Site 3
Sample Date: 2006-07-06
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
9.1
1.2
20
10.8
173.6
8.9
7.8
517
428
169
185
0.011
0.01
0.046
0.02
14.95
0.466
1.19
0.049
0.05
1.008
0.84
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
25.3
24.6
24.3
24.2
22.1
17.1
14.6
13.4
12.5
DO (mg/L)
13.9
14
14.1
14.3
12.4
11.3
4.7
0.2
0
0
0
                                                                           
% Water Column Oxic: 56
 
Blue-Green Dominance (% of NU): 55.9
 
          Carlson TSI: 58
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 2778   Greens (#/L): 96   Diatoms (#/L): 19   Other Algae (#/L): 1514   Rotifers (#/L): 556   Zooplankton (#/L): 7.6
 
 

 

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)