Lodi Citizen's Monitoring - Lodi, California
MARCH 2007
Weather: Light breeze, some overcast, temperature 20C (68 F)
date Water had some turbidity and some brown to green color reported.
9-Mar-07 Low flow, river low, 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 9-Mar-07 13:20 7.9 13.3 C 55.9 F 10.2 2.4 ntu 60 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 9-Mar-07 13:50 8.2 12.7 C 54.9 F 10.4 2.7 ntu 40 0  
River     B A   A A A A  
near Casa de Lodi                    
Site # 5 NA 15:30 7.4 13.4 C 56.1 F 9.9 6.4 ntu 30 na  
River at     A A   A A A    
1050 N Lincoln                    
Site # 7 9-Mar-07 15:15 7.6 15.8 C 60.4 F 9.8 6.1 ntu 40 na  
River, near Gazebo     A B   A A A    
N/O Lodi Lake                    
Site # 7 9-Mar-07 15:18 7.0 12.8 C 55.0 F 10.3 1.1 ntu na 0  
River, near Gazebo     A A   A A   A  
N/O Lodi Lake                    
Site # 7A NA                 Not Analyzed,
East end (S/o SD)                   not enough water 
Lodi Lake                   in Lake
Site # 8 NA 15:20 7.6 16.5 C 61.7 F 9.7 1.2 ntu 30 0.8 Taken at Storm drain
Lodi Lake     A A   A A A A very little other water
near Storm Drain                   had a yellow tint
Site # 9 9-Mar-07 15:45 7.4 12.5 C 54.5 F 11.3 3.5 ntu 40 0 30 m upstream
River at     A A   A A A A from WID Dam
WID Dam                    
Weather: Clear, sunny and calm, temperature 23 C (73 F)
date Water a little turbid with some brown and olive-brown color reported.
23-Mar-07 Medium 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 23-Mar-07 13:20 8.1 14.3 C 57.7 F 9.7 2.9 ntu 50 0  
River before City     B A   A A A A  
Storm System inlets                    
Site # 2 23-Mar-07 13:45 8.3 13.0 C 55.4 F 9.3 2.1 ntu 40 0  
River     B A   A A A A  
near Casa de Lodi                    
Site # 5 23-Mar-07 17:00 7.6 15.4 C 59.7 F 9.3 4.0 ntu 50 0  
River at     A A   A A A A  
1050 N Lincoln                    
Site # 7 23-Mar-07 16:00 7.8 16.4 C 61.5 F 8.5 3.5 ntu 50 0  
River, near Gazebo     A A   A A A A  
N/O Lodi Lake                    
Site # 7 23-Mar-07 15:00 6.5 16.6 C 61.9 F na 1.8 ntu 40 0  
River, near Gazebo     B A     A A A  
N/O Lodi Lake                    
Site # 7A 23-Mar-07 16:15 6.4 19.2 C 66.6 F na 1.2 ntu 40 0 Sample with test
East end (S/o SD)     C A     A A A was yellow colored
Lodi Lake                    
Site # 8 23-Mar-07 15:20 6.8 19.1 C 66.4 F 8.8 10 ntu 50 0  
Lodi Lake     B A   A B A A  
near Storm Drain                    
Site # 9 23-Mar-07 15:55 6.9 16.6 C 61.9 F 9.8 3.4 ntu 40 0 30 m upstream
River at     B A   A A A A from WID Dam
WID Dam                    
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