Lodi Citizen's Monitoring - Lodi, California            
APRIL 2004                    
                     
Weather: Clear, light breeze, temperature 29 C (84 F)          
  Water had some cloudiness and some brown/olive color reported.    
  Boards out of Woodbridge Dam, lake drained, river low.        
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 9-Apr-04 13:15 6.8 18.1 C 64.6 F 9.6 3.1 ntu 50 0  
River before City Grade:   B A   A A A A  
Storm System inlets                    
Site # 2 9-Apr-04 13:53 6.8 16.5 C 61.7 F 9.0 3.6 ntu 40 0  
River Grade:   B A   A A A A  
near Casa de Lodi                    
Site # 3 9-Apr-04 15:35 7.9 17.5 C 63.5 F 10.2 3.1 ntu 40 0 2 Canada Geese
River at Grade:   A A   A A A A 10 yards upstream
Mokelumne River Dr.                   from test site
Site # 4 9-Apr-04 16:05 7.9 19.4 C 66.9 F 9.4 6.8 ntu 40 NA Shopping cart and 
River at "Scenic Grade:   A A   A B A   blue barrels
Overlook" Awani Dr.                   on North Bank
Site # 5 9-Apr-04 15:30 7.8 18.2 C 64.8 F 9.8 4.6 ntu 40 0  
River, Glen Beach Grade:   A A   A A A A  
Edgewood Dr.                    
Site # 6 9-Apr-04 16:08 8.0 18.2 C 64.8 F 9.6 4.7 ntu 40 0 Cow across river
River, N/O Grade:   A A   A A A A downstream from 
Pigs Lake                   test site
Site # 7 9-Apr-04 15:34 6.9 17.8 C 64.0 F 9.2 9.8 ntu 40 NA  
River, near Gazebo Grade:   B A   A B A    
N/O Lodi Lake                    
Site # 7A         32.0 F         No Water
East end (S/o SD) Grade:                 in Lake
Lodi Lake                    
Site # 8 9-Apr-04 15:35 8.4 20.0 C 68.0 F 10.5 5.2 ntu 290 0.06 Only storm drain
Lodi Lake above Grade:   B A   A B B A water sampled
last Storm Drain                    
Site # 9 9-Apr-04 16:04 7.4 17.9 C 64.2 F 8.5 5.1 ntu 40 0 35 meters upstream
River at Grade:   A A   A B A A from Woodbridge Dam
WID Dam                    
NA = Not Analyzed (equipment problems)                
GRADE: pH Temp   D.O.     Turbidity TDS Nitrates
A 7.0 - 8.0 Weather and

condition

dependent

> 85% Saturation   < 5 < 150 < 1
B 6.5-6.9, 8.1-8.5 75-84% Sat.   5 - 20 151 - 300 2  -  3
C 6.0-6.4, 8.6-9.0 65-74% Sat.   21 - 50 301 - 500 4  -  5
D 5.5-5.9, 9.1-9.5 55-64% Sat.   50 - 150 501 -1000 6  -  10 
F <5.5, >9.5 < 55%Sat.,<5.0mg/L   > 150 > 1000 > 10