Lodi Citizen's Monitoring - Lodi, California
OCTOBER 2007
Weather: Light breeze, Drizzle , temperature 16C (61 F)
date Water had some brown and green color reported.
12-Oct-07 River level down, dam lowered 10/1/07, Lodi Lake drained
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 12-Oct-07 11:35 7.3 15.8 C 60.4 F * 2.3 ntu 40 0 * D.O. meter not
River before City     A A     A A A working properly
Storm System inlets                    
Site # 2 12-Oct-07 11:55 7.1 15.4 C 59.7 F * 4.1 ntu 40 0 * D.O. meter not
River     A A     A A A working properly
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 19-Oct-07 15:00 8.2 17.4 C 63.3 F 9.7 NA 50 0 Turbidity Meter
River below WID     B A   A   A A not functioning
Dam at Bridge                    
Weather: Light breeze, partly cloudy, temperature 24 C (75 F) (foggy and cool in morning)
date Water had some olive-brown and algae reported.
26-Oct-07 River level down, dam lowered 10/1/07, Lodi Lake drained
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 26-Oct-07 9:40 7.0 14.1 C 57.4 F * 2.2 ntu 30 0 * D.O. meter not
River before City     A A     A A A working properly
Storm System inlets                    
Site # 2 26-Oct-07 10:05 7.3 13.9 C 57.0 F * 2.1 ntu 30 NA * D.O. meter not
River     A A     A A   working properly
near Casa de Lodi                    
Site # 5                    
River at                    
1050 N Lincoln                    
Site # 7 26-Oct-07 15:05 7.7 21.7 C 71.1 F 7.8 4.7 ntu 90 NA  
River, near Gazebo     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 26-Oct-07 15:00 7.8 16.2 C 61.2 F 9.9 3.2 ntu 50 0  
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