Lodi Citizen's Monitoring - Lodi, California
August 2008
Weather: Clear, light breeze, temperature 30 C (86 F)
date Water had some olive-brown color, and algae reported.
08-Aug-08 River level up, dam raised end of April, Lodi Lake filled
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 08-Aug-08 16:41 8.5 20.8 C 69.4 F 8.6 na 30 0 Turbidity meter
River before City     B A   A   A A not working
Storm System inlets                    
Site # 2                    
River                    
near Casa de Lodi                    
Site # 5                    
River at                    
1050 N Lincoln                    
Site # 7 08-Aug-08 16:47 7.5 24.4 C 75.9 F 6.8 2.3 ntu 60 na  
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7A 08-Aug-08 16:24 7.4 28.5 C 83.3 F 6.7 5.3 ntu 60 na  
East end (S/o SD)     A A   A B A A  
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 08-Aug-08 17:17 8.5 24.1 C 75.4 F 7.8 na 30 0 Turbidity meter
River below WID     B A   A   A A not working
Dam at Bridge                    
Weather: Clear, light breeze, temperature 32 C (90 F)
date Water had some green and olive-brown color, and algae reported.
22-Aug-08 River level up, dam raised end of April, Lodi Lake filled
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 22-Aug-08 12:05 7.7 21.1 C 70.0 F 8.9 4.3 ntu 50 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 22-Aug-08 12:30 7.2 20.5 C 68.9 F 8.2 4.6 ntu 50 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 22-Aug-08 15:15 7.6 22.0 C 71.6 F 7.0 9.6 ntu 50 na  
River at     A A   B B A    
1050 N Lincoln                    
Site # 7 22-Aug-08 15:24 8.3 24.9 C 76.8 F 8.0 2.5 ntu 30 0  
River, near Gazebo     B A   A A A A  
N/O Lodi Lake                    
Site # 7A                  
East end (S/o SD)                    
Lodi Lake                    
Site # 8 22-Aug-08 15:15 8.6 27.3 C 81.1 F 8.2 4.0 ntu 40 0  
Lodi Lake     C B   A A A A  
near Storm Drain                    
Site # 9A 22-Aug-08 15:30 7.6 23.6 C 74.5 F 6.8 9.1 ntu 48 na  
River below WID     A A   B B A    
Dam at Bridge                    
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