Lodi Citizen's Monitoring - Lodi, California            
APRIL 2006                    
                     
Weather: Windy, light overcast, temperature 22C (71 F)        
date Water very turbid with some olive-brown color reported.        
14-Apr-06 High flow, water in Lodi Lake            
            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-Apr-06 13:10 7.1 11.4 C 52.5 F NA 15.4 ntu 40 0 DO Meter -low
River before City     A A     B A A battery
Storm System inlets                   River Otter sighted
Site # 2 14-Apr-06 13:40 6.9 12.7 C 54.9 F NA 11.2 ntu 40 0 High water,
River     B A     B A A sampled at base
near Casa de Lodi                   of ramp
Site # 5 14-Apr-06 15:38 6.6 12.0 C 53.6 F 9.5 14.3 ntu 50 0  
River at     B A   A B A A  
1050 N Lincoln                    
Site # 7 14-Apr-06 15:05 7.2 11.8 C 53.2 F 9.6 13.1 ntu 40 0  
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7 14-Apr-06 15:30 8.0 11.1 C 52.0 F 11.9 NA 40 0  
River, near Gazebo     A A   A   A A  
N/O Lodi Lake                    
Site # 7A 14-Apr-06 15:08 7.5 15.5 C 59.9 F 11.8 NA 40 0  
East end (S/o SD)     A B   A   A A  
Lodi Lake                    
Site # 8 14-Apr-06 15:23 7.8 13.2 C 55.8 F 10.6 9.8 ntu 40 NA About 25m closer to
Lodi Lake     A A   A B A   river than normal
near Storm Drain                    
Site # 9 14-Apr-06 15:38 7.6 11.7 C 53.1 F 10.1 14.0 ntu 40 NA  
River at     A       B A    
WID Dam                    
Weather: Clear, calm, temperature 27C (80 F)          
date Water was very turbid and some olive-brown color reported.      
28-Apr-06 Very high flow (Max controlled release), Lodi Lake level high      
Site #1 28-Apr-06 12:05 7.4 14.6 C 58.3 F NA 9.3 ntu 40 0 DO meter not
River before City     A A     B A A working
Storm System inlets                    
Site # 2 28-Apr-06 12:20 7.2 15.1 C 59.2 F NA 5.6 NA 0 Water 3' deep in
River     A A     B   A park, warmer than river
near Casa de Lodi                    
Site # 5 NA                  
River at                    
1050 N Lincoln                    
Site # 7 28-Apr-06 15:15 7.8 12.5 C 54.5 F 11.0 8.0 ntu 40 0  
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7A NA                  
East end (S/o SD)                    
Lodi Lake                    
Site # 8 28-Apr-06 15:35 7.1 14.1 C 57.4 F 10.9 8.8 ntu 40 0  
Lodi Lake     A A   A B A A  
near Storm Drain                    
Site # 9 28-Apr-06 16:00 7.1 12.9 C 55.2 F 10.8 11.1 ntu 40 0  
River at     A A   A B A A  
WID Dam                    
NA = Not Analyzed                    
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