Lodi Citizen's Monitoring - Lodi, California
SEPTEMBER 2006
Weather: Breezy, clear, temperature 25C (77 F)
date Water a little turbid with some olive-brown color reported.
8-Sep-06 Moderate flow, river at normal levels, water in Lodi Lake
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 8-Sep-06 12:30 6.4 18.2 C 64.8 F 9.0 3.2 ntu 30 0 pH meter may
River before City     C A   A A A A be malfunctioning
Storm System inlets                    
Site # 2 8-Sep-06 13:00 6.2 18.6 C 65.5 F 8.6 5.6 ntu 30 0 pH meter may
River     C A   A B A A be malfunctioning
near Casa de Lodi                    
Site # 5 8-Sep-06 16:00 7.6 19.3 C 66.7 F na 5.1 ntu 30 na D.O. meter not working
River at     A A     B A    
1050 N Lincoln                    
Site # 7 8-Sep-06 15:40 7.6 19.8 C 67.6 F na 4.2 ntu 40 0 D.O. meter not working
River, near Gazebo     A A     A A A  
N/O Lodi Lake                    
Site # 7 8-Sep-06 16:00 7.5 20.4 C 68.7 F 9.2 8.7 ntu 30 0 Litter and leaves
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7A 8-Sep-06 16:30 7.5 23.6 C 74.5 F 8.3 7.4 ntu 40 0 Litter, leaves & trash
East end (S/o SD)     A A   A B A A  
Lodi Lake                    
Site # 8 8-Sep-06 15:26 7.3 21.7 C 71.1 F na 3.3 ntu 40 0 D.O. meter not working
Lodi Lake     A A     A A A  
near Storm Drain                    
Site # 9 8-Sep-06 16:04 7.4 20.6 C 69.1 F na 4.6 ntu 30 0 D.O. meter not working
River at     A A     A A A  
WID Dam                    
Weather: Windy, clear, temperature 27C (81 F)
date Water a little turbid with some olive-brown color reported.
22-Sep-06 Moderate flow, river at normal levels, water in Lodi Lake
            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-Sep-06 13:05 6.8 16.2 C 61.2 F 14.9 3.2 ntu 30 0 pH meter may
River before City     B A   A A A A be malfunctioning
Storm System inlets                    
Site # 2 22-Sep-06 13:30 6.5 15.9 C 60.6 F 15.0 2.8 ntu 30 0 pH meter may
River     B A   A A A A be malfunctioning
near Casa de Lodi                    
Site # 5 22-Sep-06 15:45 7.6 16.6 C 61.9 F 8.8 4.8 ntu 60 0  
River at     A A   A A A A  
1050 N Lincoln                    
Site # 7 22-Sep-06 15:30 7.4 17.0 C 62.6 F 9.5 5.5 ntu 40 0  
River, near Gazebo     A A   A B A A  
N/O Lodi Lake                    
Site # 7 22-Sep-06 15:30 6.6 16.7 C 62.1 F 9.2 3.2 ntu 40 0 some litter an
River, near Gazebo     B A   A A A A leaves
N/O Lodi Lake                    
Site # 7A 22-Sep-06 15:55 7.2 20.2 C 68.4 F 8.2 3.5 ntu 30 0 some litter an
East end (S/o SD)     A A   A A A A leaves
Lodi Lake                    
Site # 8 22-Sep-06 15:20 7.4 19.2 C 66.6 F 6.7 4.5 ntu 40 na Problems w/ Nitrate test
Lodi Lake     A A   na A A   D.O. meter giving
near Storm Drain                   incorrect temperature
Site # 9 22-Sep-06 16:06 7.5 18.1 C 64.6 F 6.8 4.1 ntu 30 na D.O. meter giving
River at     A A   na A A   incorrect temperature
WID Dam                   possible bad  D.O. read
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