Twin River Public School

Instructor: Richard Smith, rrsmith@esu7.org

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tn-sampling_Nov_2002.JPG (8292 bytes) tn-testing_N0v_2002.JPG (10187 bytes) tn-testing2_Nov_2002.JPG (10969 bytes)

Sampling and testing September of 2002
   

   Life at the Bottom!

tn-paths_Nov_2002.JPG (6654 bytes) tn-paths2_Nov_2002.JPG (9462 bytes)

Note paths made in bucket of river water.

 

tn-Secchi_depth.JPG (10335 bytes) tn-pH.JPG (8438 bytes) tn-GPS.JPG (9053 bytes)
Twin_River_Beaver_Creek_chart.jpg (38426 bytes)      Beaver Creek
at Genoa, Elevation: 1570 ft altitude,
Location: 41 degrees 24.25 minutes North, 97 degrees 42.52 minutes West or 4.2 mi. upstream from mouth.
 
Date:  Sept. 2002         
Site:  Genoa        
       
Test  Actual Result Q-Value Weighting Factor Total
Dissolved Oxygen mg/L 9.8 92 0.17 15.64
% saturation 104%      
Fecal Coliform Col/100 ml 688 23.9 0.16 3.824
pH 8.3 74 0.11 8.14
B.O.D. - mg/L 9.8 34 0.11 3.74
Temp. Change ºC 0.6 91.5 0.1 9.15
Total Phosphates mg/L 0.46 34 0.1 3.4
Nitrates mg/L 2.07 53.8 0.1 5.38
Turbidity inches 16 cm 40 0.08 3.2
Total Solids mg/L 497 32 0.07 2.24
Water quality index      
90-100 excellent      
Total 70-90 good    

54.714
50-70 medium      
25-50 bad      
0-25 bad      
Stream Speed m/s 0.71      
Comments        
 
Date: November, 2002       
Site: Beaver Creek      
       
Test  Actual Result Q-Value Weighting Factor Total
Dissolved Oxygen mg/L 10.6 97.8 0.17 16.626
% saturation 93%      
Fecal Coliform Col/100 ml 0 100 0.16 16
pH 8 85 0.11 9.35
B.O.D. - mg/L 5.7 51.5 0.11 5.665
Temp. Change ºC 0.61 91.5 0.1 9.15
Total Phosphates mg/L 1.85 29 0.1 2.9
Nitrates mg/L 0.83 77.5 0.1 7.75
Turbidity inches 21 cm 41 0.08 3.28
Total Solids mg/L 380 49 0.07 3.43
Water quality index      
90-100 excellent      
Total 70-90 good    

74.151
50-70 medium      
25-50 bad      
0-25 bad      
Stream Speed m/s 0.64      
Comments        
   
 

Ground Water,     April, 2002

Test

School tap water

South Park

 hand pump well

Cemetery irrigation well

Temperature

13°C

12°C

12°C

pH

7.0

7.6

7.5

NO3-N

3.9 mg/L

0.25 mg/L

9.7 mg/L

GPS/GIS

N41.44887° W97.73572°

N/A

N41.43131° W97.73219