Clean Lakes Program: Latta - Noble County

 

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Indiana Clean Lakes Program Lake Report

Latta

 

Noble County

1990

         
Sample Location: Deep Hole
Sample Date: 1990-07-11
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
1990
10.7
1.3
24
7
109.8
8.3
7
330
315
154.6
210.4
0.013
0.334
0.026
0.274
0.187
0.156
0.034
2.222
1.498
0.72
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
23
21
17
12
9
6.5
6.5
6.5
6.5
DO (mg/L)
9.5
9.3
8.5
0.1
1.3
2.3
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 60
 
Blue-Green Dominance (% of NU): 86
 
          Carlson TSI: 54
                    Indiana TSI: 55
                                                                           
Blue-Greens (#/L): 292360   Greens (#/L): 15562   Diatoms (#/L): 27403   Other Algae (#/L): 4060   Rotifers (#/L): 344   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-08-02
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
1993
10.7
4.1
80
23
97
8.4
7.3
380
370
116.5
237.5
0.01
0.513
0.22
0.708
1.86
0.022
0.022
0.018
2.86
0.254
0.658
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)
25.8
25.1
25
24.9
24.5
23
16.5
12.8
9.2
7.3
6.7
6
6
DO (mg/L)
8.2
8.2
8.3
8.4
8.2
8.3
8.9
5.4
0.4
0.1
0.1
0.1
0
                                                                           
% Water Column Oxic: 63.6
 
Blue-Green Dominance (% of NU): 60
 
          Carlson TSI: 53
                    Indiana TSI: 26
                                                                           
Blue-Greens (#/L): 8207   Greens (#/L): 167   Diatoms (#/L): 2638   Other Algae (#/L): 2408   Rotifers (#/L): 279   Zooplankton (#/L): 0
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-18
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
2000
10.7
1.9
44
17
103.3
8.4
7.5
383.9
333.8
147
213
0.01
0.07
0.058
0.129
1.63
0.022
0.022
0.047
1.967
0.56
2.817
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)
25.2
25.2
25.3
25.3
25.1
21.2
15.4
12.6
10.4
9.3
8.5
8.3
DO (mg/L)
9.7
9.6
9.5
9.5
9.3
10.2
2.6
1
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 60
 
Blue-Green Dominance (% of NU): 59
 
          Carlson TSI: 50
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 1937   Greens (#/L): 432   Diatoms (#/L): 225   Other Algae (#/L): 467   Rotifers (#/L): 190   Zooplankton (#/L): 18.1
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-21
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
2003
10.4
1.2
33
14
127
8.5
7.4
451
338.6
179
233
0.01
0.033
0.022
0.109
5.79
0.312
0.029
0.013
2.744
0.72
3.825
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)
27.4
26.9
26.6
26.2
25.3
23.2
18.3
13.2
9.6
7.7
6.4
DO (mg/L)
10
10.1
10.3
10.3
9
13.4
13.9
0.2
0.1
0
                                                                           
% Water Column Oxic: 57.7
 
Blue-Green Dominance (% of NU): 12
 
          Carlson TSI: 51
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 6082   Greens (#/L): 1099   Diatoms (#/L): 38983   Other Algae (#/L): 3664   Rotifers (#/L): 24   Zooplankton (#/L): 35.6
 
 

2010

         
Sample Location: Deep Hole
Sample Date: 2010-07-19
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
2010
10.7
1.1
15.7
13.1
131
8.5
8.5
384
315
177
179
0.01
0.01
0.01
0.016
1.94
0.013
0.013
0.035
0.056
0.777
0.724
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)
29.8
29.1
29
28.6
27.3
20.4
16.5
13
8.7
7.1
6.6
6.2
DO (mg/L)
9.6
10.1
10.1
10.1
11.9
10.8
7
0.3
0.1
0
0
0
                                                                           
% Water Column Oxic: 47
 
Blue-Green Dominance (% of NU): 96.9
 
Blue-Green Dominance (% of cells): 76.9
          Carlson TSI: 44
                    Indiana TSI: 53
                                                                           
Blue-Greens (#/L): 2358262   Greens (#/L): 358322   Diatoms (#/L): 266659   Other Algae (#/L): 83331   Rotifers (#/L):   Zooplankton (#/L): 29.1
Blue-Greens (cells/L): 56040   Greens (cells/L): 1415   Diatoms (cells/L): 267   Other Algae (cells/L): 108   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)