Lodi Citizen's Monitoring - Lodi, California        
January, 2002                  
Weather: Foggy, Calm, 46 oF (7.8 oC)          
            Dissolved   (TDS)  
        Water Oxygen Turbidity Conduct.  
Test Site Date Time  pH Temperature mg/L NTU uS Remarks
Site #1 11-Jan-02 16:00 7.8 10.0 C 50.0 F 11.8 8.3 ntu 50  
River before City     A A   A B A  
Storm System inlets                  
Site # 2 11-Jan-02 16:30 7.6 9.9 C 49.8 F 11.7 4.0 ntu 50  
River     A A   A A A  
near Casa de Lodi                  
Site # 3 11-Jan-02 15:30 7.4 9.9 C 49.8 F 12.8 NA 50  
River at     A A   A   A  
Mokelumne River Dr.                  
Site # 4 11-Jan-02 15:56 7.3 10.3 C 50.5 F 12.0 NA 50  
River at "Scenic     A A   A   A  
Overlook" Awani Dr.                  
Site # 5 11-Jan-02 15:45 7.4 9.8 C 49.6 F 10.7 7.0 ntu 50  
River, Glen Beach     A A   A B A  
Edgewood Dr.                  
Site # 6 11-Jan-02 16:11 7.2 9.7 C 49.5 F 10.7 10.1 ntu 50  
River, N/O     A A   A B A  
Pigs Lake                  
Site # 7 11-Jan-02 13:22 7.5 9.9 C 49.8 F 10.7 14.9 ntu 90  
River, near Gazebo     A A   A B A  
N/O Lodi Lake                  
Site # 8 11-Jan-02 13:43 7.4 13.2 C 55.8 F 9.7 7.8 ntu 340 Storm Drain
Lodi Lake above     A B   A B C only
last Storm Drain                  
Site # 9 11-Jan-02 14:05 8.3 9.9 C 49.8 F 11.1 NA 60  
River at     B A   A   A  
WID Dam                  
NA = Not Analyzed (equipment problems)            
GRADE: pH Temp D.O.     Turbidity TDS
A 7.0 - 8.0 Weather > 85% Saturation   < 5 < 150
B 6.5-6.9, 8.1-8.5 and   75-84% Sat.   5 - 20 151 - 300
C 6.0-6.4, 8.6-9.0 condition 65-74% Sat.   21 - 50 301 - 500
D 5.5-5.9, 9.1-9.5 dependent 55-64% Sat.   50 - 150 501 -1000
F <5.5, >9.5     < 55%Sat.,<5.0mg/L   > 150 > 1000

Sample Location Key

(All in Mokelumne River Except Site 8.)

1: Cluff Ave. Near the Solid Waste Transfer Station, 50' above first City of Lodi Storm Drain.

2: Near Casa de Lodi, 50' above City Storm Drain #3

3: Mokelumne River Dr. at Awani, above City Storm Drain #4

4: "Scenic Overlook" Beach, 50' above City Storm Drain #6

5: Willow Glenn Beach, 50' below City Storm Drain #8, 100' above Drain #10.

6: Pig's Lake Beach, 50' below City Storm Drain #10

7: Mokelumne River north of Lodi Lake Gazebo area, 50' above City Storm Drain #11

7A: Lodi Lake, SE End of Lake

8: In Lodi Lake at City Storm Drain #16

9: Mokelumne River, 50' above Woodbridge (WID) Dam