Lodi Citizen's Monitoring - Lodi, California
May 2008
Weather: Clear, light breeze, temperature 25C (77 F)
date Water had some blue, brown, olive brown and green color reported.
09-May-08 River level up, dam raised end of April, Lodi Lake refilled
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 09-May-08 11:15 7.6 16.5 C 61.7 F 9.7 2.8 ntu 40 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 09-May-08 11:40 7.4 16.3 C 61.3 F 9.2 2.6 ntu 30 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 09-May-08 16:00 7.1 17.2 C 63.0 F 9.4 6.0 ntu 50 0  
River at     A A   A A A A  
1050 N Lincoln                    
Site # 7                    
River, near Gazebo                    
N/O Lodi Lake                    
Site # 7A                    
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 09-May-08 15:40 8.2 17.5 C 63.5 F 9.9 18.0 ntu 40 2  
River below WID     B A   A B   B  
Dam at Bridge                    
Weather: A little overcast, light breeze, temperature 24 C (76 F)
date Water had some olive-brown color and algae reported.
23-May-08 River level up, dam raised end of April, Lodi Lake refilled
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 23-May-08 12:21 7.4 18.1 C 64.6 F 9.2 2.4 ntu 30 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 23-May-08 12:50 7.2 16.2 C 61.2 F 9.0 2.7 ntu 40 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5                    
River at                    
1050 N Lincoln                    
Site # 7                    
River, near Gazebo                    
N/O Lodi Lake                    
Site # 7A                    
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 23-May-08 15:19 8.1 17.9 C 64.2 F 9.2 1.9 ntu 30 0  
River below WID     B A   A A A A  
Dam at Bridge                    
NA = Not Analyzed
Weather: Clear, light breeze, temperature 26 C (79 F)
date Water had some olive-brown color and algae reported.
30-May-08 River level up, dam raised end of April, Lodi Lake refilled
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 30-May-08 12:20 7.7 18.5 C 65.3 F 9.3 3.8 ntu 50 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 30-May-08 12:45 7.6 16.9 C 62.4 F 8.2 2.0 ntu 40 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5                    
River at                    
1050 N Lincoln                    
Site # 7 30-May-08 14:25 7.8 19.6 C   9.1 4.2 ntu 50 na  
River, near Gazebo     A A   A A A A  
N/O Lodi Lake                    
Site # 7A                    
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A                    
River below WID                    
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