Lodi Citizen's Monitoring - Lodi, California
MAY 2007
Weather: Light breeze, Clear, temperature 26C (79 F)
date Water had some turbidity and some olive brown color reported.
11-May-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 11-May-07 13:05 7.8 16.5 C 61.7 F 9.6 2.7 ntu 40 0  
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 11-May-07 13:20 7.1 16.9 C 62.4 F 9.5 2.4 ntu 40 0  
River     A A   A A A A  
near Casa de Lodi                    
Site # 5 na 15:20 7.0 17.9 C 64.2 F 7.4 3.1 ntu 40 0  
River at     A A   A A A A  
1050 N Lincoln                    
Site # 7 11-May-07 15:10 7.4 19.3 C 66.7 F 8.5 6.8 ntu 30 0  
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7 11-May-07 15:08 7.3 19.3 C 66.7 F 8.8 .9 ntu 40 0  
River, near Gazebo     A A   A A A A  
N/O Lodi Lake                    
Site # 7A 11-May-07 15:30 7.8 22.7 C 72.9 F 8.6 2.1 ntu 40 0  
East end (S/o SD)     A A   A A A A  
Lodi Lake                    
Site # 8 11-May-07 15:15 7.8 21.6 C 70.9 F 9.1 2.5 ntu 40 0  
Lodi Lake     A A   A A A A  
near Storm Drain                    
Site # 9 11-May-07 15:40 7.4 20.2 C 68.4 F 8.8 3.5 ntu 40 0  
River at     A A   A A A A  
WID Dam                    
Weather: Some overcast, sunny and light breeze, temperature 31 C (87 F)
date Water a little turbid with some olive-brown and green color reported.
25-May-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 25-May-07 12:22 8.2 17.8 C 64.0 F 9.2 2.6 ntu 40 0  
River before City     B A   A A A    
Storm System inlets                    
Site # 2 25-May-07 12:30 8.0 16.7 C 62.1 F 9.1 2.8 ntu 30 0  
River     A A   A A A    
near Casa de Lodi                    
Site # 5 25-May-07 15:25 7.3 19.7 C 67.5 F 8.7 3.7 ntu 40 0  
River at     A A   A A A    
1050 N Lincoln                    
Site # 7 25-May-07 15:00 7.5 19.8 C 67.6 F 7.8 2.0 ntu 40 0  
River, near Gazebo     A A   B A A    
N/O Lodi Lake                    
Site # 7 25-May-07 16:00 7.5 19.8 C 67.6 F 8.4 .2 ntu 80 0  
River, near Gazebo     A A   A A A    
N/O Lodi Lake                    
Site # 7A 25-May-07 16:30 8.9 25.5 C 77.9 F 9.3 .1 ntu 50 0  
East end (S/o SD)     C A   A A A    
Lodi Lake                    
Site # 8 25-May-07 15:15 8.6 23.0 C 73.4 F 10.5 8 ntu 40 0 Substantial algae
Lodi Lake     C A   A B A    
near Storm Drain                    
Site # 9 25-May-07 15:45 7.7 21.4 C 70.5 F 10.4 3.5 ntu 40 na  
River at     A A   A A A    
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