Lodi Citizen's Monitoring - Lodi, California
October 2008
Weather: Clear, Windy, temperature 19 C (68 F)
date Water had some olive-brown & green color, and algae reported.
10-Oct-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 10-Oct-08 12:29 8.0 14.4 C 57.9 F 9.9 2.5 ntu 40 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 10-Oct-08 12:44 7.7 14.5 C 58.1 F 8.5 2.5 ntu 30 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 10-Oct-08                 Too windy to
River at                   sample safely
1050 N Lincoln                    
Site # 7 10-Oct-08                 Too windy to
River, near Gazebo                   sample safely
N/O Lodi Lake                    
Site # 7A                    
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 10-Oct-08 15:28 8.3 17.0 C 62.6 F 10.0 na 50 na  
River below WID     B A   A   A    
Dam at Bridge                    
Weather: Clear, calm, temperature 29 C (84 F)
date Water had some green and olive-brown color, and algae reported.
24-Oct-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 24-Oct-08 12:18 7.6 15.5 C 59.9 F 9.8 1.7 ntu 50 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 24-Oct-08 15:51 7.5 15.8 C 60.4 F 8.5 2.4 ntu 50 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 24-Oct-08 15:35 7.9 17.4 C 63.3 F 10.3 11.5 ntu 50 na  
River at     A A   A B A    
1050 N Lincoln                    
Site # 7 24-Oct-08 15:25 7.1 18.6 C 65.5 F 11.2 2.6 ntu 40 0 Some problems with
River, near Gazebo     A A     A A A D.O. meter, may be
N/O Lodi Lake                   reading high
Site # 7A 24-Oct-08 15:50 7.8 20.9 C 69.6 F 11.2 5.2 ntu 40 0 Some problems with
East end (S/o SD)     A A     B A A D.O. meter, may be
Lodi Lake                   reading high
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 24-Oct-08 16:00 8.0 19.3 C 66.7 F 9.5 3.4 ntu 50 na  
River below WID     A A   A A 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