Lodi Citizen's Monitoring - Lodi, California          
MAY 2005                    
                     
Weather: Clear, light breeze, temperature 27 C (80 F)         
  Water had some cloudiness and some, olive-brown, green color reported.  
  Woodbridge Dam in operation, River level up, Lodi Lake with water.      
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 13-May-05 13:12 7.3 15.3 C 59.5 F 8.5 2.0 ntu 40 0  
River before City Grade:   A A   A A A A  
Storm System inlets                    
Site # 2 13-May-05 13:29 7.2 13.7 C 56.7 F 8.9 1.8 ntu 40 0  
River Grade:   A A   A A A A  
near Casa de Lodi                    
Site # 3 13-May-05 15:40 7.2 14.2 C 57.6 F 10.4 3.0 ntu 50 0  
River at Grade:   A A   A A A A  
Mokelumne River Dr.                    
Site # 4 13-May-05 16:00 7.2 15.3 C 59.5 F 10.3 10.0 50 0  
River at "Scenic Grade:   A A   A B A A  
Overlook" Awani Dr.                    
Site # 5 13-May-05 15:40 8 14.7 C 58.5 F 10.1 6.5 ntu 40 NA  
River, Glen Beach Grade:   A A   A B A    
Edgewood Dr.                    
Site # 6 13-May-05 15:30 7.5 15.8 C 60.4 F 9.8 11.5 ntu 40 NA  
River, N/O Grade:   A A   A B A    
Pigs Lake                    
Site # 7 13-May-05 15:00 8.3 15.2 C 59.4 F 9.5 NA 50 0 pH solution  -> 7.0
River, near Gazebo Grade:   B A   A   A A  
N/O Lodi Lake                    
Site # 7A 13-May-05 16:00 8.3 22.1 C 71.8 F 12.8 NA 50 0  
East end (S/o SD) Grade:   B C   A   A A  
Lodi Lake                    
Site # 8 13-May-05 15:40 7.8 15.7 C 60.3 F 9.6 6.0 ntu 40 0 Sea-Doo passed by
Lodi Lake above Grade:   A A   A B A A just before DO sampling
last Storm Drain                   DO meter out of order.
Site # 9A 13-May-05 16:05 7.5 15.3 C 59.5 F 10.1 12.8 ntu 50 0 DO for Sites 8 & 9 were 
River below Grade:   A A   A B A A read later with another
WID Dam                   DO meter.
NA = Not Analyzed (equipment problems)     * High turbidity interfere with D.O. measurement
GRADE: pH Temp D.O.     Turbidity TDS Nitrates
A 7.0 - 8.0 Weather > 85% Saturation   < 5 < 150 < 1
B 6.5-6.9, 8.1-8.5 and   75-84% Sat.   5 - 20 151 - 300 2  -  3
C 6.0-6.4, 8.6-9.0 condition 65-74% Sat.   21 - 50 301 - 500 4  -  5
D 5.5-5.9, 9.1-9.5 dependent 55-64% Sat.   50 - 150 501 -1000 6  -  10 
F <5.5, >9.5     < 55%Sat.,<5.0mg/L > 150 > 1000 > 10