Clean Lakes Program: Heaton - Elkhart County

 

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Indiana Clean Lakes Program Lake Report

Heaton

  

Elkhart County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-08-01
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
1989
6.7
1.6
22
10
84
8.2
7.4
1100
800
203
236
0.01
0.01
0.02
0.046
0.46
0.472
0.023
1.071
0.652
2.028
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)
23.9
23.5
21
17
14
13
DO (mg/L)
7.9
6.3
2.6
0.2
0.2
0.1
                                                                           
% Water Column Oxic: 83.3
  
Blue-Green Dominance (% of NU): 60
  
          Carlson TSI: 50
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 201   Greens (#/L): 59   Diatoms (#/L): 0   Other Algae (#/L): 12   Rotifers (#/L): 61   Zooplankton (#/L): 0
 
 

1995

          
Sample Location: Deep Hole
Sample Date: 1995-07-05
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
1995
6.7
1.6
37
13
107
7.9
7.1
380
382
199
237
0.01
0.01
0.021
0.056
7.77
0.022
0.022
0.018
0.25
0.587
0.816
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)
26.1
26
25.8
25.2
24
20
18
16.1
0
DO (mg/L)
8.4
8.6
8.7
8.7
8
1.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 67
  
Blue-Green Dominance (% of NU): 60
  
          Carlson TSI: 51
                    Indiana TSI: 20
                                                                           
Blue-Greens (#/L): 17541   Greens (#/L): 2799   Diatoms (#/L): 4329   Other Algae (#/L): 4479   Rotifers (#/L): 224   Zooplankton (#/L): 14.8
 
 

2000

          
Sample Location: Deep Hole
Sample Date: 2000-07-25
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
1.8
24
12
96.8
8.15
7.6
398.5
376.5
163
183
0.01
0.011
0.042
0.068
2.17
0.026
0.022
0.071
0.457
0.988
1.368
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)
24.1
24.1
23.9
23.9
23.1
20.6
16.9
15.4
15
DO (mg/L)
8.2
8.2
8.2
7.9
4.3
0.3
0.2
0.1
0.1
                                                                           
% Water Column Oxic: 57
  
Blue-Green Dominance (% of NU): 6
  
          Carlson TSI: 49
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 4012   Greens (#/L): 876   Diatoms (#/L): 3689   Other Algae (#/L): 55527   Rotifers (#/L): 184   Zooplankton (#/L): 42
 
 

2003

          
Sample Location: Deep Hole
Sample Date: 2003-07-15
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
6.4
1.5
25
12
105
8.6
7.7
354.4
348.8
152
192
0.01
0.011
0.02
0.04
2.82
0.013
0.013
0.019
0.082
1.154
1.312
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
25.7
25.6
25.5
23.5
20.5
16.8
DO (mg/L)
8.8
8.6
8.6
8.5
5
3.6
0.2
                                                                           
% Water Column Oxic: 62.5
  
Blue-Green Dominance (% of NU): 43
  
          Carlson TSI: 47
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 4863   Greens (#/L): 702   Diatoms (#/L): 3484   Other Algae (#/L): 2131   Rotifers (#/L): 175   Zooplankton (#/L): 21.7
 
 

2009

          
Sample Location: Deep Hole
Sample Date: 2009-07-13
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
2009
6.7
1.8
12.38
12
102.7
8.2
7.5
366.5
323
176
181
0.01
0.01
0.018
0.063
2.07
0.015
0.014
0.018
0.018
0.935
1.285
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)
25.6
25.5
25.4
25.2
21.6
17
14.3
13.1
DO (mg/L)
8.4
8.4
8.4
7.9
3.7
0.02
0
0
                                                                           
% Water Column Oxic: 44.77
  
Blue-Green Dominance (% of NU): 85.2
  
          Carlson TSI: 45
                    Indiana TSI: 27
                                                                           
Blue-Greens (#/L): 41319   Greens (#/L): 298   Diatoms (#/L): 3241   Other Algae (#/L): 3316   Rotifers (#/L): 261   Zooplankton (#/L): 53
 
 

 

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)