Lodi Citizen's Monitoring - Lodi, California
SEPTEMBER 2007
Weather: Light Breeze, some clouds, temperature 29C (83 F)
date Water had some brown and olive-brown color reported.
14-Sep-07 Slow flow, river level up, March 16, 2007 Lodi Lake started filling.
            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-Sep-07 13:40 7.5 20.1 C 68.2 F 7.3 2.1 ntu 40 0  
River before City     A A   B A A A  
Storm System inlets                    
Site # 2 14-Sep-07 14:00 7.7 18.5 C 65.3 F 8.0 1.5 ntu 30 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5                    
River at                    
1050 N Lincoln                    
Site # 7 14-Sep-07 15:40 7.8 20.8 C 69.4 F NA 2.7 ntu 40 0 D.O. meter battery dead
River, near Gazebo     A A            
N/O Lodi Lake                    
Site # 7A 14-Sep-07 15:25 7.6 23.3 C 73.9 F NA 2.7 ntu 50 0 D.O. meter battery dead
East end (S/o SD)     A A            
Lodi Lake                    
Site # 8 14-Sep-07 16:53 7.5 22.1 C 71.8 F 8.0 1.3 ntu 70 0  
Lodi Lake     A A   A A A A  
near Storm Drain                    
Site # 9A 14-Sep-07 16:24 7.8 20.9 C 69.6 F 8.6 1.5 ntu 50 0 Saw Crayfish and other
River below WID     A A   A A A A invertbrates
Dam at Bridge                    
Weather: Breezy, partly cloudy, temperature 23 C (73 F) (First significant rain of season 9/22/07, 0.25")
date Water had some olive-brown and brown color reported.
28-Sep-07 Low flow, river level up, March 16, 2007 Lodi Lake started filling.
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 28-Sep-07 12:40 7.1 17.5 C 63.5 F 7.5 2.3 ntu 30 0 First significant rain:
River before City     A A   B A A A 9/22/07, 0.25"
Storm System inlets                    
Site # 2 28-Sep-07 13:00 7.1 17.5 C 63.5 F 7.6 3.2 ntu 40 0  
River     A A   B A A A  
near Casa de Lodi                    
Site # 5                    
River at                    
1050 N Lincoln                    
Site # 7 28-Sep-07 15:50 7.5 19.7 C 67.5 F 9.2 4.5 ntu 50 0  
River, near Gazebo     A A   A A A A  
N/O Lodi Lake                    
Site # 7A 28-Sep-07 16:10 7.8 20.2 C 68.4 F 8.6 4.8 ntu 50 0  
East end (S/o SD)     A A   A A A A  
Lodi Lake                    
Site # 8 28-Sep-07 16:17 8.0 19.1 C 66.4 F 6.6 2 ntu 40 0 Litter: plastic, metal,
Lodi Lake     A A   C A A A dead fish, glass
near Storm Drain                    
Site # 9A 28-Sep-07 15:29 7.9 18.4 C 65.1 F 8.1 2.1 ntu 50 0 Litter, aluminum, leaves
River below WID     A 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