Clean Lakes Program: Loomis - Porter County

 

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Indiana Clean Lakes Program Lake Report

Loomis

 

Porter County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-08-21
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
1989
15.5
0.8
13
5.5
78
9.6
7
313
290
107
290
0.01
0.568
0.061
0.631
3.032
2.814
0.052
3.238
1.227
4.668
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)
24.2
23.4
21.8
17.1
12
9
8
7
6
5.5
5.1
4.9
4.9
4.9
4.9
DO (mg/L)
10.4
2.7
0.2
0.1
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: 20
 
Blue-Green Dominance (% of NU): 58
 
          Carlson TSI: 63
                    Indiana TSI: 45
                                                                           
Blue-Greens (#/L): 4425   Greens (#/L): 18   Diatoms (#/L): 2641   Other Algae (#/L): 0   Rotifers (#/L): 527   Zooplankton (#/L): 0
 
 

1995

         
Sample Location: Deep Hole
Sample Date: 1995-07-11
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
1995
15.5
1.3
33
10
181.3
9.1
7.2
365
320
94
126
0.01
0.27
0.034
0.288
19.98
0.022
0.022
0.048
1.806
1.061
2.886
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)
31
27.3
26
25.2
24.4
19.3
14.8
11.2
10.2
9.2
8.9
8
7.1
6.9
6.3
6
6
6
DO (mg/L)
11.3
13.3
14.7
11.9
0.7
0.1
0.1
0.1
0.5
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 50
 
Blue-Green Dominance (% of NU): 0
 
          Carlson TSI: 57
                    Indiana TSI: 32
                                                                           
Blue-Greens (#/L): 40   Greens (#/L): 2458   Diatoms (#/L): 33003   Other Algae (#/L): 1184   Rotifers (#/L): 182   Zooplankton (#/L): 95
 
 

1999

         
Sample Location: Deep Hole
Sample Date: 1999-07-20
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
15.5
1.6
24
10.5
109
8.7
7.3
400
290
88.5
131
0.012
0.642
0.035
0.775
14.28
0.022
0.022
0.063
2.27
0.709
2.873
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
25
25
25
24
18
13
9.5
7
5
4.5
4
4
4
3.5
3.5
3.5
DO (mg/L)
9.1
9.1
9
7
1
0.25
0.25
0.25
1.75
4.5
2
0.5
0.25
0.25
0.25
0.2
0.2
                                                                           
% Water Column Oxic: 85
 
Blue-Green Dominance (% of NU): 61
 
          Carlson TSI: 55
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 4051   Greens (#/L): 1151   Diatoms (#/L): 128   Other Algae (#/L): 1109   Rotifers (#/L): 128   Zooplankton (#/L): 107.7
 
 

2001

         
Sample Location: Deep Hole
Sample Date: 2001-08-15
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
2001
15.5
1.8
12
9
71
7
7.2
415
380
77
139
0.014
0.308
0.067
0.349
0.71
0.03
0.027
0.018
1.65
0.67
2.423
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
27
26.6
26.4
26.3
25.7
20.6
15.6
11.9
9.3
7.3
6.4
5.7
5.2
4.8
4.7
4.7
DO (mg/L)
7.2
6.6
5.7
4.6
4.8
2.5
0.6
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.29
0.29
                                                                           
% Water Column Oxic: 26.7
 
Blue-Green Dominance (% of NU): 14
 
          Carlson TSI: 48
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 514   Greens (#/L): 360   Diatoms (#/L): 2186   Other Algae (#/L): 360   Rotifers (#/L): 296   Zooplankton (#/L): 36
 
 

2005

         
Sample Location: Deep Hole
Sample Date: 2005-06-28
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
2005
15.5
5.1
3
4.8
108.6
8.6
7.8
586
330.5
112.5
138
0.01
0.296
0.021
0.36
9.73
0.013
0.013
0.018
1.737
0.404
1.948
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
29.5
28.9
28.2
26.1
22.1
16.9
13.5
11.3
9.4
7.6
6.7
6.1
5.8
5.6
5.5
DO (mg/L)
8.3
8.4
8.3
8.8
7
12.2
1
0
1.8
2.3
1.8
0.2
0
0
0
0
                                                                           
% Water Column Oxic: 51.6
 
Blue-Green Dominance (% of NU): 6
 
          Carlson TSI: 46
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 833   Greens (#/L): 733   Diatoms (#/L): 5834   Other Algae (#/L): 6437   Rotifers (#/L): 115   Zooplankton (#/L): 70.3
 
 

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
16.8
1.25
9.01
2.75
8.6
7.2
451
93
139
0.003
0.841
0.06
0.914
24.8
0.013
0.013
0.018
3.268
1.122
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)
24.16
23.91
22.82
21.65
19.08
15.06
12.43
10.1
8.48
7.2
6.19
5.57
5.31
5.13
5.09
5.08
5.08
DO (mg/L)
8.8
8.94
4.33
0.51
0.23
0.13
0.16
0.16
0.19
0.74
0.52
0.2
0.11
0.1
0.08
0.06
0.14
                                                                           
% Water Column Oxic: 18.75
 
Blue-Green Dominance (% of NU): 97.1
 
Blue-Green Dominance (% of cells): 95.7
          Carlson TSI: 71
                   
                                                                           
Blue-Greens (#/L): 273308   Greens (#/L): 5712   Diatoms (#/L): 3808   Other Algae (#/L): 2448   Rotifers (#/L): 359   Zooplankton (#/L): 49
Blue-Greens (cells/L): 3156   Greens (cells/L): 84   Diatoms (cells/L): 4   Other Algae (cells/L): 5   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)