Clean Lakes Program: Royer - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Royer

 

Lagrange County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-26
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
0.8
13
8
185
8.8
7.3
470
450
175
262
0.01
0.32
0.038
0.34
2.047
0.239
0.047
3.478
1.572
5.051
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)
27.5
24
21.5
16
11.5
9
8
7
6.5
6
6
6
5.5
5.5
5.5
5.5
DO (mg/L)
15
15
3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 19
 
Blue-Green Dominance (% of NU): 37
 
          Carlson TSI: 60
                    Indiana TSI: 36
                                                                           
Blue-Greens (#/L): 2425   Greens (#/L): 492   Diatoms (#/L): 2390   Other Algae (#/L): 0   Rotifers (#/L): 1334   Zooplankton (#/L): 0
 
 

1993

         
Sample Location: Deep Hole
Sample Date: 1993-07-13
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
17.1
1.4
28
11
117
8.3
7.4
480
412
180
246
0.01
0.254
0.045
0.302
5.74
0.994
0.06
0.067
1.57
0.433
0.718
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
27.9
26.6
26
20.5
15.2
12
8.1
6.9
6
5.3
5
4.8
4.2
4
4
4
DO (mg/L)
9.3
9.5
9.7
9.1
4.8
0.2
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: 25.3
 
Blue-Green Dominance (% of NU): 37
 
          Carlson TSI: 54
                    Indiana TSI: 30
                                                                           
Blue-Greens (#/L): 10917   Greens (#/L): 569   Diatoms (#/L): 487   Other Algae (#/L): 16477   Rotifers (#/L): 736   Zooplankton (#/L): 0
 
 

2000

         
Sample Location: Deep Hole
Sample Date: 2000-07-10
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
17.1
0.8
14
8
102.3
8.55
7.7
429
134
189
0.012
0.01
0.04
0.051
8.41
0.837
0.41
0.055
0.343
0.848
1.779
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)
24.5
25.4
25.3
25.2
23.1
18.2
13.6
11.1
8.6
7.9
7.3
7.1
6.8
6.6
6.4
6.4
6.3
6.3
6.3
DO (mg/L)
8.21
8.77
8.8
8.91
4.2
0.44
0.45
0.46
0.47
0.5
0.5
0.5
0.51
0.51
0.51
0.51
0.51
0.51
0.51
                                                                           
% Water Column Oxic: 17
 
Blue-Green Dominance (% of NU): 96
 
          Carlson TSI: 57
                    Indiana TSI: 41
                                                                           
Blue-Greens (#/L): 70007   Greens (#/L): 76   Diatoms (#/L): 379   Other Algae (#/L): 2617   Rotifers (#/L): 76   Zooplankton (#/L): 104.4
 
 

2003

         
Sample Location: Deep Hole
Sample Date: 2003-07-01
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
14.9
3.1
62
3.1
108.8
8.4
7.5
477.1
346.7
148
207
0.011
0.169
0.013
0.183
1.25
0.612
0.013
0.107
1.621
1.079
2.412
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)
27.7
25.8
24.8
24.5
21.4
15.3
12.4
9.9
8
7.3
6.7
6.3
6.3
6.1
5.9
DO (mg/L)
8.9
9
9
8.9
5.2
0.5
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 20.1
 
Blue-Green Dominance (% of NU): 96
 
          Carlson TSI: 39
                    Indiana TSI: 43
                                                                           
Blue-Greens (#/L): 95971   Greens (#/L): 1467   Diatoms (#/L): 1676   Other Algae (#/L): 838   Rotifers (#/L): 105   Zooplankton (#/L): 49.5
 
 

2015

         
Sample Location: deep hole
Sample Date: 2015-07-06
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
2015
17.7
0.8
8.59
8.528
8.5
7.4
454
567
169
206
0.01
0.173
0.031
0.207
23.62
0.626
0.027
0.019
1.872
1.22
2.931
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)
24.85
24.61
21.93
20.93
20.56
14.31
9.85
7.61
6.68
6.16
5.98
5.66
5.39
5.25
5.19
5.16
5.11
5.07
DO (mg/L)
12.06
12.82
10.63
5.85
0.4
0.22
0.18
0.21
0.19
0.18
0.17
0.21
0.18
0.18
0.15
0.17
0.15
0.12
                                                                           
% Water Column Oxic: 16.95
 
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 66
                   
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L):   Other Algae (#/L):   Rotifers (#/L):   Zooplankton (#/L):
Blue-Greens (cells/L):   Greens (cells/L):   Diatoms (cells/L):   Other Algae (cells/L):   Rotifers (cells/L):   Zooplankton (cells/L):
 
 

 

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)