Lodi Citizen's Monitoring - Lodi, California
February 2008
Weather: Clear, light breeze, temperature 17C (63 F)
date Water had some turbidity, brown, olive brown and green color, and some algae reported.
08-Feb-08 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 08-Feb-08 11:30 7.4 10.0 C 50.0 F 11.5 4.0 ntu 40 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 08-Feb-08 11:55 7.7 9.0 C 48.2 F 11.6 3.7 ntu 40 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 08-Feb-08 15:15 8.5 11.2 C 52.2 F 9.6 13.1 ntu 40 0  
River at     B A   A B A A  
1050 N Lincoln                    
Site # 7 08-Feb-08 15:40 8.0 11.4 C 52.5 F 9.3 16.1 ntu 40 0  
River, near Gazebo     B A   B B A A  
N/O Lodi Lake                    
Site # 7 08-Feb-08 16:05 7.7 10.7 C 51.3 F 11.2 16.0 ntu 30 0  
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7A                   No Water in Lake
East end (S/o SD)                    
Lodi Lake                    
Site # 8                   No Water in Lake
Lodi Lake                    
near Storm Drain                    
Site # 9A 08-Feb-08 15:30 na 10.0 C 50.0 F 11.2 2.9 ntu 40 0 Some litter on banks.
River below WID       A   A A A A pH meter not reading
Dam at Bridge                   correctly? pH 9.1
Weather: 2/22: Breeze, overcast, drizzle, temperature 16 C (60 F)
date Water had some olive-brown & brown color and algae reported.
22-Feb-08 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 22-Feb-08 15:07 7.4 10.7 C 51.3 F 11.1 2.4 ntu 40 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 22-Feb-08 15:25 7.9 10.2 C 50.4 F 10.9 2.8 ntu 40 0  
River     A A     A A A  
near Casa de Lodi                    
Site # 5 22-Feb-08 15:30 7.7 11.6 C 52.9 F 8.6 5.7 ntu 40 0  
River at     A A   A B A A  
1050 N Lincoln                    
Site # 7 22-Feb-08 15:30 8.5 11.1 C 52.0 F 10.7 3.1 ntu 40 0.04  
River, near Gazebo     B A   A A A A  
N/O Lodi Lake                    
Site # 7A                   No Water in Lake
East end (S/o SD)                    
Lodi Lake                    
Site # 8 22-Feb-08 16:03 7.8 13.0 C 55.4 F 9.3 14.0 ntu 80 0.06 Storm runoff only
Lodi Lake     A A   A B A A  
near Storm Drain                    
Site # 9A 22-Feb-08 16:17 na 10.3 C 50.5 F 10.5 2.3 ntu 50 0 Team 5
River below WID       A   A A A A pH meter not reading
Dam at Bridge                   correctly? pH 9.1
Site # 9A 22-Feb-08 16:17 na 10.3 C 50.5 F 10.7 na na 0 Team 7 
River below WID       A   A     A pH and TDS probes
Dam at Bridge                   not working
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