Clean Lakes Program: Holem - Marshall County

 

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Indiana Clean Lakes Program Lake Report

Holem

 

Marshall County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-08-08
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
8.5
1.9
47
16
103
8.4
6.7
345
360
151.8
211.6
0.01
0.397
0.026
0.482
0.412
0.51
0.022
5.145
1.587
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
22
19
13
8.5
7
6.5
DO (mg/L)
9.1
9
8.6
9.1
0.8
0.5
0.4
0.4
                                                                           
% Water Column Oxic: 75
 
Blue-Green Dominance (% of NU): 92
 
          Carlson TSI: 51
                    Indiana TSI: 41
                                                                           
Blue-Greens (#/L): 87207   Greens (#/L): 145   Diatoms (#/L): 4942   Other Algae (#/L): 1743   Rotifers (#/L): 450   Zooplankton (#/L): 0
 
 

1995

         
Sample Location: Deep Hole
Sample Date: 1995-07-31
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
8.5
3.2
25
17
99.9
8.45
6.37
445
385
166
234
0.01
0.075
0.013
0.164
2.26
0.022
0.022
0.028
2.308
0.59
3.473
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)
30.2
30.2
30
29
27
19.8
15
10
8.5
7
DO (mg/L)
8.15
8.15
7.55
7.6
8.4
7.2
0.7
0.2
0.1
0.1
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 80
 
          Carlson TSI: 41
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 19650   Greens (#/L): 390   Diatoms (#/L): 2393   Other Algae (#/L): 2053   Rotifers (#/L): 170   Zooplankton (#/L): 49.4
 
 

1999

         
Sample Location: Deep Hole
Sample Date: 1999-07-19
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
1999
8.5
3.5
55
17
90
8.4
7.4
432
382
156
219
0.014
0.049
0.028
0.207
3.36
0.022
0.022
0.018
0.876
0.38
2.544
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
25.8
25.6
25.1
24
17
12.1
7.5
5.8
4.9
DO (mg/L)
8.26
8
7.4
7.1
5.9
4.82
0.9
0.25
0.13
0.1
                                                                           
% Water Column Oxic: 70
 
Blue-Green Dominance (% of NU): 54
 
          Carlson TSI: 45
                    Indiana TSI: 22
                                                                           
Blue-Greens (#/L): 1088   Greens (#/L): 46   Diatoms (#/L): 34   Other Algae (#/L): 744   Rotifers (#/L): 69   Zooplankton (#/L): 35.7
 
 

2004

         
Sample Location: Deep Hole
Sample Date: 2004-08-11
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
2004
8.8
0.9
30
10.2
117
391
324
0.01
0.152
0.047
0.199
27.68
0.013
0.013
0.025
1.534
1.325
2.75
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
23.7
23.7
23.6
23.5
20.8
14.5
10.2
8.3
7.7
DO (mg/L)
10
10.1
9.9
9.6
9.1
0.1
0
0
0
0
                                                                           
% Water Column Oxic: 38
 
Blue-Green Dominance (% of NU): 93
 
          Carlson TSI: 62
                    Indiana TSI: 39
                                                                           
Blue-Greens (#/L): 20276   Greens (#/L): 89   Diatoms (#/L): 482   Other Algae (#/L): 634   Rotifers (#/L): 253   Zooplankton (#/L): 36
 
 

 

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)