Lodi Citizen's Monitoring - Lodi, California          
February, 2002                  
Weather: Sunny, Clear, Breezy, 60 oF (15.5 oC), Rained day before sampling.  
            Dissolved   (TDS)  
        Water Oxygen Turbidity Conduct.  
Test Site Date Time  pH Temperature mg/L NTU uS Remarks
Site #1 8-Feb-02 15:35 7.5 10.7 C 51.3 F 8.8 4.0 ntu 50  
River before City     A A   B A A  
Storm System inlets                  
Site # 2 8-Feb-02 16:05 7.5 10.4 C 50.7 F 8.8 4.8 ntu 40  
River     A A   B A A  
near Casa de Lodi                  
Site # 3 8-Feb-02 16:00 7.8 10.3 C 50.5 F 11.3 NA 60  
River at     A A   A   A  
Mokelumne River Dr.                  
Site # 4 8-Feb-02 16:18 7.5 10.1 C 50.2 F 11.1 NA 50  
River at "Scenic     A A   B   A  
Overlook" Awani Dr.                  
Site # 5 8-Feb-02 16:10 6.9 10.3 C 50.5 F 11.6 5.3 ntu 50  
River, Glen Beach     B A   A B A  
Edgewood Dr.                  
Site # 6 8-Feb-02 15:40 7.1 10.0 C 50.0 F 11.4 4.5 ntu 40  
River, N/O     A A   A A A  
Pigs Lake                  
Site # 7 8-Feb-02 15:20 6.9 10.9 C 51.6 F 7.5 8.5 ntu 30  
River, near Gazebo     B A   C B A  
N/O Lodi Lake                  
Site # 8 8-Feb-02 13:40 7.2 16.3 C 61.3 F 9.6 26.4 ntu 50 Storm Drain
Lodi Lake above     A C   B C A only
last Storm Drain                  
Site # 9 8-Feb-02 14:10 6.9 10.7 C 51.3 F 8.7 8.7 ntu 30  
River at     B A   B B 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