Clean Lakes Program: Lincoln - Spencer County

 

Go back to the Indiana Clean Lakes Website

Go back to the Indiana Map to select another county

Indiana Clean Lakes Program Lake Report

Lincoln

 

Spencer County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-05
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
1989
7.3
3.1
40
16
94
7.3
6.5
195
199
42.3
57
0.027
0.023
0.024
0.045
0.271
2.088
0.034
0.044
0.594
0.739
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
20.5
15.9
13
DO (mg/L)
7.8
7.8
7.3
5.8
0.4
0.2
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 27
 
          Carlson TSI: 47
                    Indiana TSI: 12
                                                                           
Blue-Greens (#/L): 5331   Greens (#/L): 678   Diatoms (#/L): 619   Other Algae (#/L): 12605   Rotifers (#/L): 795   Zooplankton (#/L): 0
 
 

1996

         
Sample Location: Deep Hole
Sample Date: 1996-07-23
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
1996
7.3
4.2
65
19
96.2
7.39
7.01
198
180
19
56.6
0.01
0.01
0.027
0.035
0.77
0.022
0.037
0.018
0.018
0.262
0.339
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
27.5
27.5
27.5
27.5
20.2
16
13.2
DO (mg/L)
7.6
7.6
7.6
7.6
7.6
8.4
5.8
0.5
                                                                           
% Water Column Oxic: 100
 
Blue-Green Dominance (% of NU): 39
 
          Carlson TSI: 40
                    Indiana TSI: 5
                                                                           
Blue-Greens (#/L): 4379   Greens (#/L): 0   Diatoms (#/L): 51   Other Algae (#/L): 6552   Rotifers (#/L): 103   Zooplankton (#/L): 26
 
 

2001

         
Sample Location: Deep Hole
Sample Date: 2001-08-07
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
7.3
2.1
46
11
65.5
8.9
7.2
210
200
55
65
0.01
0.01
0.033
0.079
0.64
0.013
0.013
0.033
0.085
0.594
0.307
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)
32.9
32.7
31.3
31.2
30.3
27.4
22.7
DO (mg/L)
5.1
5.2
4.9
5.2
6.9
0.7
0.3
                                                                           
% Water Column Oxic: 60
 
Blue-Green Dominance (% of NU): 90
 
          Carlson TSI: 43
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 10412   Greens (#/L): 281   Diatoms (#/L): 748   Other Algae (#/L): 47   Rotifers (#/L): 47   Zooplankton (#/L): 41.2
 
 

2014

         
Sample Location: Deep Hole
Sample Date: 2014-07-14
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
2014
6.4
2
50.18
14.76
6.7
6.5
162
233
38
55
0.01
0.01
0.028
0.052
7.75
0.026
0.018
0.33
0.491
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)
29.72
29.51
29.07
27.58
20.92
14.35
DO (mg/L)
7.66
7.62
7.23
4.88
1.64
0.16
                                                                           
% Water Column Oxic:
 
Blue-Green Dominance (% of NU): 29.9
 
Blue-Green Dominance (% of cells): 10.8
          Carlson TSI: 53
                   
                                                                           
Blue-Greens (#/L): 1747   Greens (#/L): 13646   Diatoms (#/L): 79   Other Algae (#/L): 295   Rotifers (#/L): 366   Zooplankton (#/L): 110
Blue-Greens (cells/L): 49   Greens (cells/L): 115   Diatoms (cells/L): 0   Other Algae (cells/L): 0   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)