Lodi Citizen's Monitoring - Lodi, California          
JANUARY 2003                    
                     
Weather: Some drizzling rain, some wind, temperature: 13 C (55 F)    
  Water had some turbidity with some blue/green/olive color reported.    
                     
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 10-Jan-03 15:21 6.1? 11.0 C 51.8 F 10.3 5.4 ntu 50 0 pH meter readings
River before City     ? A   A B A A questioned, pH paper
Storm System inlets                   readings higher.
Site # 2 10-Jan-03 15:44 5.8? 10.9 C 51.6 F 10.1 3.7 ntu 50 0 pH meter readings
River     ? A   A A A A questioned, pH paper
near Casa de Lodi                   readings higher.
Site # 3 10-Jan-03 15:30 7.5 11.3 C 52.3 F 10.5 5.3 ntu 40 0  
River at     A A   A B A A  
Mokelumne River Dr.                    
Site # 4 10-Jan-03 15:45 7.6 11.6 C 52.9 F 8.9 17.4 ntu 40 0  
River at "Scenic     A A   A B A A  
Overlook" Awani Dr.                    
Site # 5 10-Jan-03 15:46 na 10.7 C 51.3 F 9.7 4.3 ntu 50 0 Water flowing from
River, Glen Beach       A   A A A A storm drain,
Edgewood Dr.                   pH meter malfunction
Site # 6 10-Jan-03 15:20 7.8 10.7 C 51.3 F 9.6 10.5 ntu 40 0  
River, N/O     A A   A B A A  
Pigs Lake                    
Site # 7 10-Jan-03 15:24 7.2 11.3 C 52.3 F 10.7 4.2 ntu 40 0  
River, near Gazebo     A A   A A A A  
N/O Lodi Lake                    
Site # 7A 10-Jan-03 15:47 7.2 13.8 C 56.8 F 11.75 30.7 ntu 60 0 Lake area, ponding 
East end (S/o SD)     A A   A C A A from rain only
Lodi Lake                    
Site # 8 10-Jan-03 13:20 7.4 12.4 C 54.3 F 9.0 30.2 ntu 90 0 Lake area, ponding
Lodi Lake above     A A   A C A A from storm drain
last Storm Drain                   water only
Site # 9 10-Jan-03 13:50 7.5 10.6 C 51.1 F 9.0 8.7 ntu 50 0  
River at     A A   A B A A  
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