Lodi Citizen's Monitoring - Lodi, California
JANUARY 2007
Weather: Windy, some overcast, temperature 8C (46 F)
date Water had some turbidity and some olive-brown color reported.
12-Jan-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 12-Jan-07 13:20 8.1 8.1 C 46.6 F 8.1 4.2 ntu 30 0  
River before City     B A   C A A A  
Storm System inlets                    
Site # 2 12-Jan-07 13:31 7.7 7.5 C 45.5 F 8.1 3.8 ntu 30 0  
River     A A   C A A A  
near Casa de Lodi                    
Site # 5 NA       32.0 F          
River at                    
1050 N Lincoln                    
Site # 7 12-Jan-07 15:35 - 6.3 C 43.3 F 10.3 2.8 ntu 40 0 pH reading in error
River, near Gazebo       A   B 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                 Not Analyzed,
Lodi Lake                   not enough water 
near Storm Drain                   in Lake
Site # 9 12-Jan-07 15:32 7.6 7.6 C 45.7 F 10.9 3.0 ntu 30 NA  
River at     A A   A A A    
WID Dam                    
Weather: Clear, sunny and calm, temperature 18 C (64 F)
date Water a little turbid with some olive-brown color reported.
26-Jan-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 26-Jan-07 12:54 7.8 9.7 C 49.5 F 8.1 3.7 ntu 30 0  
River before City     A A   C A A A  
Storm System inlets                    
Site # 2 26-Jan-07 13:07 7.3 9.2 C 48.6 F 8.2 3.2 ntu 30 0  
River     A A   C A A A  
near Casa de Lodi                    
Site # 5 26-Jan-07 NR 6.9 10.3 C 50.5 F 8.1 7.9 ntu 20 NR  
River at     B A   C B A    
1050 N Lincoln                    
Site # 7 26-Jan-07 NR 7.4 10.8 C 51.4 F 8.8 11.7 ntu 20 NR  
River, near Gazebo     A A   B B A    
N/O Lodi Lake                    
Site # 7 26-Jan-07 15:42 8.5 9.5 C 49.1 F 10.8 11.7 ntu 30 0  
River, near Gazebo     B A   A B A A  
N/O Lodi Lake                    
Site # 7A                   Not Analyzed,
East end (S/o SD)                   not enough water 
Lodi Lake                   in Lake
Site # 8 26-Jan-07 15:06 8.2 13.6 C 56.5 F 10.4 2 ntu 330 0.5 All water from Storm
Lodi Lake     B B   A A C A Drain (Lake empty)
near Storm Drain                   Too Shallow - DO?
Site # 9 26-Jan-07 15:37 8.2 9.2 C 48.6 F 10.2 4.0 ntu 30 0 20 - 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