Clean Lakes Program: Harper - Noble County

 

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Indiana Clean Lakes Program Lake Report

Harper

  

Noble County

1991

          
Sample Location: Deep Hole
Sample Date: 1991-07-30
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
1991
7.6
2.3
29.3
16.25
142.8
8.5
7.4
360
474
139.6
255.1
0.01
0.01
0.038
0.13
0.427
0.543
0.038
0.756
0.951
3.003
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
25
21
16.5
11
DO (mg/L)
11.7
11.9
11.8
11.8
11.8
9.4
0.3
0.2
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU): 63
  
          Carlson TSI: 53
                    Indiana TSI: 28
                                                                           
Blue-Greens (#/L): 6609   Greens (#/L): 2091   Diatoms (#/L): 75   Other Algae (#/L): 1344   Rotifers (#/L):   Zooplankton (#/L): 293
 
 

1993

          
Sample Location: Deep Hole
Sample Date: 1993-08-23
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
1993
6.7
3.3
56
15
107
8.3
7.1
440
500
173.5
296.5
0.01
0.044
0.028
0.142
2.94
0.487
0.022
0.02
4.544
0.23
0.81
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)
28.2
25.5
25.2
25.1
24.9
20.2
14
9
7.5
DO (mg/L)
9
9.6
9.2
9.3
10.2
15.7
0.2
0
0
                                                                           
% Water Column Oxic: 68.5
  
Blue-Green Dominance (% of NU): 77
  
          Carlson TSI: 45
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 22058   Greens (#/L): 175   Diatoms (#/L): 233   Other Algae (#/L): 5507   Rotifers (#/L): 651   Zooplankton (#/L): 0
 
 

2000

          
Sample Location: Deep Hole
Sample Date: 2000-08-08
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
2000
6.7
2.3
28
17
114.6
8.52
7.8
440.9
485
147
196
0.01
0.01
0.039
0.05
3.01
0.385
0.065
0.04
0.386
0.836
1.42
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)
26.5
26.5
26.4
26.1
25.5
24.6
21.1
16.3
DO (mg/L)
9.18
9.21
9.28
9.44
9.19
8.74
0.77
0.37
                                                                           
% Water Column Oxic: 83
  
Blue-Green Dominance (% of NU): 90
  
          Carlson TSI: 49
                    Indiana TSI: 25
                                                                           
Blue-Greens (#/L): 37564   Greens (#/L): 34   Diatoms (#/L): 1411   Other Algae (#/L): 2654   Rotifers (#/L): 168   Zooplankton (#/L): 24.8
 
 

2003

          
Sample Location: Deep Hole
Sample Date: 2003-08-12
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
2003
7.01
1.4
35
14
120
8.6
7.4
436.4
458
154
235
0.01
0.01
0.017
0.076
3.78
0.427
0.013
0.035
0.65
0.839
1.979
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
25.8
25.9
25.9
25.4
22.4
18.3
14.1
DO (mg/L)
9.7
9.8
9.6
9.6
6.3
2.3
0
0
                                                                           
% Water Column Oxic: 57.1
  
Blue-Green Dominance (% of NU): 66
  
          Carlson TSI: 48
                    Indiana TSI: 34
                                                                           
Blue-Greens (#/L): 24564   Greens (#/L): 297   Diatoms (#/L): 5998   Other Algae (#/L): 6252   Rotifers (#/L): 360   Zooplankton (#/L): 54.7
 
 

2010

          
Sample Location: Deep Hole
Sample Date: 2010-07-27
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
2010
7.6
3
27.5
14.5
118.1
8.5
7.4
434
416
170
263
0.01
0.01
0.014
0.221
1.45
0.292
0.013
0.12
0.359
1.29
3.127
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)
30.6
29
28.8
28.5
27.1
21
15.2
10.6
DO (mg/L)
9.6
9.7
8.7
8.8
13.3
17.5
1.2
0.2
                                                                           
% Water Column Oxic: 66
  
Blue-Green Dominance (% of NU): 97.6
  
Blue-Green Dominance (% of cells): 92.9
           Carlson TSI: 40
                    Indiana TSI: 47
                                                                           
Blue-Greens (#/L): 1516621   Greens (#/L): 49998   Diatoms (#/L): 0   Other Algae (#/L): 66665   Rotifers (#/L): 0   Zooplankton (#/L): 45.7
Blue-Greens (cells/L): 25333   Greens (cells/L): 483   Diatoms (cells/L): 0   Other Algae (cells/L): 133   Rotifers (cells/L): 0   Zooplankton (cells/L): 0.0457
 
 

 

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)