Clean Lakes Program: Diamond - Kosciusko County

 

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Indiana Clean Lakes Program Lake Report

Diamond

 

Kosciusko County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-08-22
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
1990
10.7
1.2
20
13
68
7.7
7.2
405
430
104.8
241.8
0.01
0.597
0.084
0.42
1.336
0.975
0.07
6.393
1.777
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)
22
22
21.5
21
20
17
13
12
12
11.5
11
DO (mg/L)
6.4
5.4
4.6
0.9
0.1
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 36
 
Blue-Green Dominance (% of NU): 96
 
          Carlson TSI: 63
                    Indiana TSI: 56
                                                                           
Blue-Greens (#/L): 122870   Greens (#/L): 0   Diatoms (#/L): 0   Other Algae (#/L): 455   Rotifers (#/L): 4129   Zooplankton (#/L): 0
 
 

1998

         
Sample Location: Deep Hole
Sample Date: 1998-07-21
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
10.7
0.6
18
8.25
192
9.24
7.32
339
391
107
229.1
0.002
0.585
0.115
0.668
82.5
0.931
0.039
0.018
3.178
1.43
3.533
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)
30.5
29.8
28.2
27.3
25.4
23.4
17.6
15.1
12.9
12.3
12.1
12
DO (mg/L)
19.96
18.36
14.73
10.97
2.4
0.07
0.01
0.01
0.01
0
0
0
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 81
 
          Carlson TSI: 71
                    Indiana TSI: 44
                                                                           
Blue-Greens (#/L): 8173   Greens (#/L): 48   Diatoms (#/L): 193   Other Algae (#/L): 967   Rotifers (#/L): 677   Zooplankton (#/L): 23.8
 
 

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
10.9
0.7
40
10.8
108
9.4
7.5
358
430
94
237
0.022
0.321
0.058
0.382
41.9
1.336
0.054
0.131
3.672
1.431
3.984
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)
29.9
29.3
26.7
25.8
24.3
22.1
16.2
13.8
12.9
12.2
11.8
DO (mg/L)
17.6
17.5
15.8
9.2
1
0.01
0
0
0
0
0
                                                                           
% Water Column Oxic: 33
 
Blue-Green Dominance (% of NU): 97.7
 
          Carlson TSI: 65
                    Indiana TSI: 42
                                                                           
Blue-Greens (#/L): 54230   Greens (#/L): 307   Diatoms (#/L): 697   Other Algae (#/L): 199   Rotifers (#/L): 33   Zooplankton (#/L): 21.3
 
 

2008

         
Sample Location: Deep Hole
Sample Date: 2008-07-16
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
2008
10
0.7
5.7
6.4
178.4
9.1
7.3
306
485
108.5
218.5
0.01
0.376
0.034
0.425
20.83
0.279
0.013
0.09
3.297
0.983
4.012
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)
30.3
28.3
26.5
25.7
23.2
18.2
14.4
12
10.8
10.5
10.4
10.3
DO (mg/L)
12
13.6
14
10.6
3.7
1.7
1.1
0.7
0.6
0.5
0.5
0.4
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 70.9
 
          Carlson TSI: 60
                    Indiana TSI: 44
                                                                           
Blue-Greens (#/L): 32109   Greens (#/L): 2439   Diatoms (#/L): 6706   Other Algae (#/L): 3658   Rotifers (#/L): 305   Zooplankton (#/L): 42
 
 

 

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)