Clean Lakes Program: Nyona - Fulton County

 

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Indiana Clean Lakes Program Lake Report

Nyona

 

Fulton County

1995

         
Sample Location: Deep Hole
Sample Date: 1995-08-07
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
1995
9.8
0.6
11
17
111.4
9
7.3
400
470
126
279
0.012
0.498
0.074
0.567
43.7
0.022
0.022
0.018
2.873
1.397
3.989
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)
29.5
28
27.5
27
25
21
17
15
14.5
12.5
12.5
DO (mg/L)
14.2
13.8
8.8
5.7
2.9
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 83
 
          Carlson TSI: 67
                    Indiana TSI: 37
                                                                           
Blue-Greens (#/L): 8062   Greens (#/L): 809   Diatoms (#/L): 702   Other Algae (#/L): 61   Rotifers (#/L): 122   Zooplankton (#/L): 3.4
 
 

1998

         
Sample Location: Deep Hole
Sample Date: 1998-08-17
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
9.8
0.9
8
5.25
38
8.5
7.31
393
602
159.6
280.9
0.01
0.959
0.084
0.951
45.29
0.022
0.022
0.018
3.655
1.431
4.391
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)
27.6
27
24.7
23.5
21.3
20
17.2
15.6
13.5
12.9
12.6
DO (mg/L)
12.16
11.41
3.15
1.66
0.11
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 33.3
 
Blue-Green Dominance (% of NU): 76
 
          Carlson TSI: 66
                    Indiana TSI: 43
                                                                           
Blue-Greens (#/L): 36366   Greens (#/L): 1490   Diatoms (#/L): 596   Other Algae (#/L): 9241   Rotifers (#/L): 341   Zooplankton (#/L): 25.2
 
 

2004

         
Sample Location: Deep Hole
Sample Date: 2004-07-19
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
9.4
1
27
9.6
163
8.8
7.4
481
540
155
273
0.024
0.252
0.083
0.296
42.08
1.127
0.064
0.018
3.082
1.499
4.166
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
26.2
25.2
25
24.4
23.3
19.3
17.6
16.1
14.3
13.9
DO (mg/L)
15
15.1
13.3
10.4
4.1
0.5
0
0
0
0
0
                                                                           
% Water Column Oxic: 33
 
Blue-Green Dominance (% of NU): 12
 
          Carlson TSI: 65
                    Indiana TSI: 33
                                                                           
Blue-Greens (#/L): 552   Greens (#/L): 235   Diatoms (#/L): 3463   Other Algae (#/L): 188   Rotifers (#/L): 164   Zooplankton (#/L): 5
 
 

2006

         
Sample Location: Site 1
Sample Date: 2006-07-10
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
2006
9.4
0.9
7
7.3
124
8.6
7.5
521
445.5
174
242
0.01
0.187
0.065
0.232
1.25
0.811
0.016
0.021
1.66
1.175
2.926
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)
25.7
25.7
25.5
25
23.5
21.4
16.2
13.4
12.5
12
11.8
DO (mg/L)
10.6
10.4
10.2
7.6
3.4
0.4
0
0
0
0
0
                                                                           
% Water Column Oxic: 33
 
Blue-Green Dominance (% of NU): 10.3
 
          Carlson TSI: 53
                    Indiana TSI: 31
                                                                           
Blue-Greens (#/L): 1512   Greens (#/L): 2346   Diatoms (#/L): 2469   Other Algae (#/L): 8148   Rotifers (#/L): 123   Zooplankton (#/L): 35.8
 
 

2006

         
Sample Location: Site 2
Sample Date: 2006-07-10
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
2006
7.3
0.8
7
6.5
125
8.6
7.5
520
468
174
236
0.01
0.059
0.072
0.119
7.52
0.844
0.034
0.031
1.14
1.102
2.247
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
25.6
25.6
24
22.1
16.1
13.9
13
DO (mg/L)
10
10.3
10.2
10.2
3.8
1.4
0
0
0
                                                                           
% Water Column Oxic: 57
 
Blue-Green Dominance (% of NU): 10.7
 
          Carlson TSI: 60
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 1757   Greens (#/L): 3513   Diatoms (#/L): 2828   Other Algae (#/L): 8183   Rotifers (#/L): 171   Zooplankton (#/L): 16.9
 
 

2006

         
Sample Location: Site 3
Sample Date: 2006-07-10
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
2006
8.8
0.9
96
7.9
102.8
8.5
7.5
522
440.8
175.5
245
0.01
0.086
0.065
0.13
16.21
0.857
0.05
0.048
2.037
1.297
3.223
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)
25.3
25.2
25.2
24.7
23.9
22.8
15.5
12.5
11
10.5
DO (mg/L)
9
9
8.7
7
3.56
0.8
0
0
0
0
                                                                           
% Water Column Oxic: 38
 
Blue-Green Dominance (% of NU): 10.6
 
          Carlson TSI: 61
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 354   Greens (#/L): 1023   Diatoms (#/L): 1810   Other Algae (#/L): 157   Rotifers (#/L): 0   Zooplankton (#/L): 3.9
 
 

2013

         
Sample Location: Deep Hole
Sample Date: 2013-08-05
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
2013
9.14
0.75
2.79
5.25
8.7
7.4
481
555
178
227
0.002
0.4345
0.058
0.478
31
0.013
0.018
1.722
3.456
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)
23.37
23.37
22.86
21.06
17.71
13.8
12.32
11.73
11.19
DO (mg/L)
10.7
10.53
6.08
2.41
0.43
0.17
0.19
0.14
0.12
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 68.9
 
Blue-Green Dominance (% of cells): 25.4
          Carlson TSI: 71
                   
                                                                           
Blue-Greens (#/L): 35082   Greens (#/L): 87985   Diatoms (#/L): 7239   Other Algae (#/L): 6682   Rotifers (#/L): 977   Zooplankton (#/L): 89
Blue-Greens (cells/L): 1204   Greens (cells/L): 482   Diatoms (cells/L): 8   Other Algae (cells/L): 53   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)