Lodi Citizen's Monitoring - Lodi, California            
MAY 2004                    
                     
Weather: Clear, light breeze, temperature 29 C (84 F)          
  Water had some cloudiness and some green/olive-brown 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 14-May-04 13:15 6.9 15.3 C 59.5 F 8.3 2.7 ntu 40 0  
River before City Grade:   B A   B A A A  
Storm System inlets                    
Site # 2 14-May-04 13:55 7.3 15.7 C 60.3 F 8.4 2.9 ntu 40 0  
River Grade:   A A   B A A A  
near Casa de Lodi                    
Site # 3 14-May-04 15:45 7.7 15.9 C 60.6 F NA 2.7 ntu 30 0 Blossoms floating
River at Grade:   A A   meter A A A on surface.
Mokelumne River Dr.           out       DO Chemnet: 7mg/L
Site # 4 14-May-04 16:14 8.1 17.2 C 63.0 F NA 3.4 ntu 30 0 Shopping Cart sub-
River at "Scenic Grade:   B A   meter A A A merged. Speedboat made
Overlook" Awani Dr.           out       foam. DO Chem.: 8mg/L
Site # 5 14-May-04 16:46 7.8 16.7 C 62.1 F 9.3 1.2 ntu 40 0 Lot of cottonwood
River, Glen Beach Grade:   A A   A A A A seeds on water.
Edgewood Dr.                    
Site # 6 14-May-04 16:02 7.5 18.2 C 64.8 F 9.1 9.2 ntu 40 0 Speedboat went by 2X
River, N/O Grade:   A A   A B A A Lot of cottonwood
Pigs Lake                   seeds on water.
Site # 7 14-May-04 16:10 6.2 18.2 C 64.8 F 9.5 3.1 ntu 50 NA  
River, near Gazebo Grade:   C A   A A A    
N/O Lodi Lake                    
Site # 7A 14-May-04 16:00 6.0 21.6 70.9 F 8.2 6.1 ntu 70 NA Lake with water for
East end (S/o SD) Grade:   C A   A B A   first time this season
Lodi Lake                    
Site # 8 14-May-04 15:45 7.0 20.6 C 69.1 F 7.4 8.5 ntu 50 0 Lake filled for first
Lodi Lake above Grade:   A A   B B A A time this season
last Storm Drain                    
Site # 9 14-May-04 16:05 7.0 18.4 C 65.1 F 7.6 3.3 ntu 40 0 Construction at
River at Grade:   A A   B A A A dam site.
WID Dam                    
NA = Not Analyzed (equipment problems)              
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