Clean Lakes Program: Jimmerson - Steuben County

 

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Indiana Clean Lakes Program Lake Report

Jimmerson

 

Steuben County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-12
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
17.1
2.8
35
21
93
8.3
7.5
490
370
137
159.5
0.01
0.01
0.078
0.103
0.451
0.574
0.029
1.437
1.001
2.086
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
27
24.2
18
15.3
13
11.5
10.8
9
8.5
7.5
7
7
6.8
6.6
DO (mg/L)
7.4
7.4
7.3
8.7
8.5
5.2
1.9
2.1
2.2
0.8
0.2
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 68.8
 
Blue-Green Dominance (% of NU): 27
 
          Carlson TSI: 56
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 2488   Greens (#/L): 569   Diatoms (#/L): 2228   Other Algae (#/L): 3032   Rotifers (#/L): 1049   Zooplankton (#/L): 0
 
 

1992

         
Sample Location: Deep Hole
Sample Date: 1992-07-21
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
1992
17.1
3.9
60
30
96.76
8
7.6
450
440
152
187
0.01
0.01
0.019
0.036
0.581
0.749
0.025
0.461
0.99
1.216
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)
23.5
23.5
23.2
23.2
23.1
22.8
21.3
16.5
13.5
11.8
10.5
9.5
8.3
8
7.5
7
7
6.9
6.9
DO (mg/L)
8.2
8.2
8.3
8.3
8.2
8.3
7.6
7.65
3.55
1.6
1.6
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 58.8
 
Blue-Green Dominance (% of NU): 18
 
          Carlson TSI: 44
                    Indiana TSI: 8
                                                                           
Blue-Greens (#/L): 420   Greens (#/L): 135   Diatoms (#/L): 390   Other Algae (#/L): 750   Rotifers (#/L): 581   Zooplankton (#/L): 0
 
 

1997

         
Sample Location: Deep Hole
Sample Date: 1997-08-12
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
1997
17.1
3.4
42
28
87.6
8.22
7.58
471
420
164.6
211.5
0.01
0.018
0.015
0.04
1.88
0.028
0.023
0.034
1.409
0.6
2.2
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)
23.2
23.2
23.1
23.1
23
22.8
22.3
20.9
17.3
14.5
13
12
11
10.2
10
9.8
9.4
9.1
DO (mg/L)
7.3
7.5
7.5
7.49
7.35
7.1
6.9
5.1
1.9
0.6
0.2
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 66.7
 
Blue-Green Dominance (% of NU): 59
 
          Carlson TSI: 41
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 802   Greens (#/L): 30   Diatoms (#/L): 204   Other Algae (#/L): 227   Rotifers (#/L): 83   Zooplankton (#/L): 6.6
 
 

2002

         
Sample Location: Deep Hole
Sample Date: 2002-07-02
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
2002
17.1
3.4
46
30
101.7
8.1
7.7
595
375
179
193
0.01
0.01
0.027
0.033
0.99
0.04
0.013
0.115
0.707
0.54
0.985
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)
28.6
28.6
28.6
28.5
28.4
23.2
20.1
16.1
14.3
13.2
12.4
11.4
10
8.8
8.2
7.8
7.6
DO (mg/L)
7.88
7.87
7.86
7.84
7.72
9.23
9.88
10.9
9.87
8.71
7.71
5.08
2.66
0.83
0.53
0.34
0.32
                                                                           
% Water Column Oxic: 65.6
 
Blue-Green Dominance (% of NU): 45
 
          Carlson TSI: 41
                    Indiana TSI: 8
                                                                           
Blue-Greens (#/L): 2422   Greens (#/L): 110   Diatoms (#/L): 2498   Other Algae (#/L): 248   Rotifers (#/L): 69   Zooplankton (#/L): 18
 
 

2006

         
Sample Location: Site 1
Sample Date: 2006-07-17
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
2006
17.1
2
25
20
103.9
8.3
7.8
521
368
160
197
0.01
0.01
0.018
0.047
0.77
0.043
0.043
0.018
0.805
0.607
1.399
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)
27.8
27.8
27.8
27.7
26.7
25.1
22.8
18.7
15.8
14.1
12.4
10.7
9.4
8.8
8.3
8
7.8
7.6
7.5
DO (mg/L)
8.1
8.2
8.1
8.1
8.1
7.9
7.6
6.4
3.5
4.9
4.8
3.6
0.9
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 58.8
 
Blue-Green Dominance (% of NU): 37.9
 
          Carlson TSI: 41
                    Indiana TSI: 10
                                                                           
Blue-Greens (#/L): 753   Greens (#/L): 589   Diatoms (#/L): 96   Other Algae (#/L): 357   Rotifers (#/L): 174   Zooplankton (#/L): 15.5
 
 

2006

         
Sample Location: Site 2
Sample Date: 2006-07-17
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
2006
9.7
2
18
17.1
104.9
8.3
7.7
519
413.3
158
184
0.01
0.01
0.018
0.025
0
0.042
0.042
0.018
0.176
0.581
0.791
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
28
28
27.9
26.7
25.4
23.2
20
17.1
15.7
15
DO (mg/L)
8.3
8.2
8.1
8.2
8
7.8
6.6
5.5
2.6
0
0
                                                                           
% Water Column Oxic: 77.8
 
Blue-Green Dominance (% of NU): 30.3
 
          Carlson TSI: 48
                    Indiana TSI: 6
                                                                           
Blue-Greens (#/L): 985   Greens (#/L): 1665   Diatoms (#/L): 194   Other Algae (#/L): 305   Rotifers (#/L): 83   Zooplankton (#/L): 17.3
 
 

2006

         
Sample Location: Site 3
Sample Date: 2006-07-17
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
2006
10.3
2.3
21
19.4
107.6
8.3
7.7
519
435.6
158
182
0.01
0.01
0.014
0.025
0.74
0.042
0.043
0.018
0.193
0.509
0.704
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
28
27.9
27.9
27.2
25.9
22.5
19.8
17.3
16.1
15
14.2
DO (mg/L)
8.3
8.2
8.4
8.4
7.7
8.4
6.1
5.1
2
0
0
0
                                                                           
% Water Column Oxic: 70
 
Blue-Green Dominance (% of NU): 59.5
 
          Carlson TSI: 39
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 2200   Greens (#/L): 241   Diatoms (#/L): 181   Other Algae (#/L): 934   Rotifers (#/L): 121   Zooplankton (#/L): 18.6
 
 

2011

         
Sample Location: Deep Hole
Sample Date: 2011-06-27
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
2011
17.07
3.1
16.6
22.3
104.7
8.4
7.5
452
339
178
189
0.01
0.01
0.105
0.041
3.42
0.013
0.013
0.018
0.497739
0.772818
1.196174
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)
23.6
23.6
23.5
23.5
23.4
21.8
20.5
16.3
14.3
12.9
12
11
10.5
10.1
9.8
9.6
9.5
9.2
8.9
DO (mg/L)
8.9
8.8
8.7
8.8
8.9
8.1
7.7
6.8
5
4.8
4.6
3.4
0.9
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 56.5
 
Blue-Green Dominance (% of NU): 89.9
 
Blue-Green Dominance (% of cells): 57.1
          Carlson TSI: 53
                   
                                                                           
Blue-Greens (#/L): 874974   Greens (#/L): 199994   Diatoms (#/L): 199994   Other Algae (#/L): 258326   Rotifers (#/L): 0   Zooplankton (#/L): 50.8
Blue-Greens (cells/L): 17338   Greens (cells/L): 448   Diatoms (cells/L): 475   Other Algae (cells/L): 1033   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)