Lodi Citizen's Monitoring - Lodi, California        
December, 2001                  
Weather: Sunny, Clear, Windy, 52 oF (11 oC), Rained evening before sampling.  
                (TDS)  
        Water DO Turbidity Conduct.  
Test Site Date Time  pH Temperature mg/L NTU uS Remarks
Site #1 14-Dec-01 15:33 7.4 10.4 C 50.7 F 11.0 NA 50  
River before City   Grade: A A   A   A  
Storm System inlets                  
Site # 2 14-Dec-01 16:05 7.1 10.1 C 50.2 F 10.8 NA 50  
River   Grade: A A   A   A  
near Casa de Lodi                  
Site # 3 14-Dec-01 15:38 8.2 10.7 C 51.3 F 8.34 3.9 ntu 50  
River at   Grade: B A   B A A  
Mokelumne River Dr.                  
Site # 4 14-Dec-01 15:50 7.7 10.7 C 51.3 F 11.3 5.2 ntu 50  
River at "Scenic   Grade: A A   A B A  
Overlook" Awani Dr.                  
Site # 5 14-Dec-01 15:30 6.3 10.1 C 50.2 F 10.4 5.9 ntu 40  
River, Glen Beach   Grade: C A   A B A  
Edgewood Dr.                  
Site # 6 14-Dec-01 15:59 6.4 10.1 C 50.2 F 10.1 6.1 ntu 50  
River, N/O   Grade: C A   A B A  
Pigs Lake                  
Site # 7 14-Dec-01 13:30 8.1 10.6 C 51.1 F 10.5 10.8 ntu 40  
River, near Gazebo   Grade: B A   A B A  
N/O Lodi Lake                  
Site # 8 14-Dec-01 13:48 7.1 10.7 C 51.3 F 9.27 42.9 ntu 50 No lake, ponding
in Lodi Lake at   Grade: A A   B C A from storm drain
last Storm Drain                 water only
Site # 9 14-Dec-01 14:15 8.1 10.5 C 50.9 F 10.24 15.9 ntu 50  
River at   Grade: B A   A 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