Lodi Citizen's Monitoring - Lodi, California          
APRIL 2005                    
                     
Weather: Light rain, light breeze, temperature 12 C (54 F)  (Heavy rain earlier in day)
  Water had some cloudiness and some, olive-brown, green color reported.  
  Woodbridge Dam boards pulled 11/1/04, River level down, but higher than winter, Lodi Lake drained.
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 8-Apr-05 12:55 7.0 10.6 C 51.1 F 10.4 2.8 ntu 40 0  
River before City Grade:   A A   A A A A  
Storm System inlets                    
Site # 2 8-Apr-05 13:22 6.9 10.2 C 50.4 F 10.5 3.2 ntu 40 0  
River Grade:   B A   A A A A  
near Casa de Lodi                    
Site # 3 8-Apr-05 15:22 6.5 10.3 C 50.5 F 10.4 3.0 ntu 40 NA  
River at Grade:   B A   A A A    
Mokelumne River Dr.                    
Site # 4 NA NA NA NA NA NA NA NA NA Key would not 
River at "Scenic Grade:                 unlock gate.
Overlook" Awani Dr.                    
Site # 5 8-Apr-05 15:58 7.5 10.8 C 51.4 F 8.2 6.5 ntu 50 NA  
River, Glen Beach Grade:   A A   C B A    
Edgewood Dr.                    
Site # 6 8-Apr-05 15:38 7.5 10.9 C 51.6 F 8.1 5.4 ntu 50 NA  
River, N/O Grade:   A A   C B A    
Pigs Lake                    
Site # 7 8-Apr-05 15:45 7.8 11.5 C 52.7 F 9.6 18.8 ntu 40 NA  
River, near Gazebo Grade:   A A   A B A    
N/O Lodi Lake                    
Site # 7A NA NA NA NA NA NA NA NA NA No Water in lake
East end (S/o SD) Grade:                  
Lodi Lake                    
Site # 8 8-Apr-05 15:45 7.1 12.5 C 54.5 F 10.4 17.2 ntu 50 0 No Water in Lake
Lodi Lake above Grade:   A A   A B A A Storm Drain Water
last Storm Drain                   only.
Site # 9A 8-Apr-05 16:07 6.6 10.5 C 50.9 F 10.7 8.2 ntu 40 0  
River below Grade:   B A   A B A A  
WID Dam                    
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