Lodi Citizen's Monitoring - Lodi, California
FEBRUARY 2007
Weather: Rain, temperature 14C (57 F)
date Water had some turbidity and some olive-brown color reported.
9-Feb-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-Feb-07 12:05 7.5 10.5 C 50.9 F 10.0 2.3 ntu 30 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 9-Feb-07 12:20 7.5 10.1 C 50.2 F 9.6 5.9 ntu 30 0  
River     A A   A B A A  
near Casa de Lodi                    
Site # 5 9-Feb-07 15:10 7.0 12.0 C 53.6 F 9.5 10.0 ntu 20 na  
River at     A A   A B A    
1050 N Lincoln                    
Site # 7 9-Feb-07 15:00 7.3 11.6 C 52.9 F 10.4 7.0 ntu 20 na  
River, near Gazebo     A A   A B A    
N/O Lodi Lake                    
Site # 7 9-Feb-07 15:34 9.4 10.3 C 50.5 F 10.3 1.9 ntu 40 0  
River, near Gazebo     D 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 15:15 7.5 13.7 C   9.9 41.0 ntu 70 0.6 Raining, heavy storm flow
Lodi Lake     A A   A C A A samples 20m to river
near Storm Drain                   foaming at drain
Site # 9 9-Feb-07 15:40 7.4 10.1 C 50.2 F 11.0 7.5 ntu 40 na 30m upstream of Dam
River at     A A   A A A    
WID Dam                    
Weather: Light breeze and part. cloudy, temperature 13 C (55 F)
date Water a little turbid with some olive-brown color reported.
23-Feb-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 23-Feb-07 13:30 8.3 10.4 C 50.7 F 10.8 1.8 ntu 60 0  
River before City     B A   A A A A  
Storm System inlets                    
Site # 2 23-Feb-07 13:55 8.3 9.9 C 49.8 F 9.3 3.2 ntu 40 0  
River     B A   B A A A  
near Casa de Lodi                    
Site # 5 23-Feb-07 15:35 8.4 11.3 C 52.3 F 8.8 9.1 ntu 40 na  
River at     B A   B A A    
1050 N Lincoln                    
Site # 7 23-Feb-07 15:15 7.4 12.5 C 54.5 F 12.1 5.3 ntu 50 na  
River, near Gazebo     A A   A A A    
N/O Lodi Lake                    
Site # 7 23-Feb-07 15:34 8.2 10.9 C 51.6 F 10.2 .2 ntu 40 0  
River, near Gazebo     B A   A A A A  
N/O Lodi Lake                    
Site # 7A                   Not Analyzed,
East end (S/o SD)                   not enough water 
Lodi Lake                   in Lake
Site # 8 23-Feb-07 15:14 7.6 13.5 C 56.3 F 9.4 6 ntu 140 0.15 All water from Storm
Lodi Lake     A A   A B A A Drain (Lake empty)
near Storm Drain                   Too Shallow - DO?
Site # 9 23-Feb-07 15:45 7.9 10.7 C 51.3 F 11.0 3.6 ntu 30 0 20 - 30 m upstream
River at     A 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