Lodi Citizen's Monitoring - Lodi, California        
March, 2002                  
Weather: Sunny, Clear, Light Breeze, 55 oF (13 oC)        
            Dissolved   (TDS)  
        Water Oxygen Turbidity Conduct.  
Test Site Date Time  pH Temperature mg/L NTU uS Remarks
Site #1 8-Mar-02 15:45 7.6 12.3 C 54.1 F 11.8 5.5 ntu 50 Fishy odor
River before City     A A   A B A  
Storm System inlets                  
Site # 2 8-Mar-02 16:10 7.4 11.8 C 53.2 F 11.0 4.9 ntu 50 Animal (dog?)
River     A A   A A A feces on bank
near Casa de Lodi                  
Site # 3 8-Mar-02 16:05 7.4 11.8 C 53.2 F 11.7 5.6 ntu 70  
River at     A A   A B A  
Mokelumne River Dr.                  
Site # 4 8-Mar-02 16:32 7.5 11.2 C 52.2 F 10.9 4.0 ntu 50  
River at "Scenic     A A   A A A  
Overlook" Awani Dr.                  
Site # 5 8-Mar-02 16:00 6.9 11.3 C 52.3 F 10.8 3.9 ntu 50  
River, Glen Beach     B A   A A A  
Edgewood Dr.                  
Site # 6 8-Mar-02 15:30 7.8 11.3 C 52.3 F 10.7 4.5 ntu 50 light manure
River, N/O     A A   A A A odor
Pigs Lake                  
Site # 7 8-Mar-02 13:09 7.1 11.5 C 52.7 F 9.3 4.9 ntu 30  
River, near Gazebo     A A   B A A  
N/O Lodi Lake                  
Site # 8 8-Mar-02 13:26 7.1 17.8 C 64.0 F 8.4 16.4 ntu 80 Storm Drain
Lodi Lake above     A B   A B A only
last Storm Drain                  
Site # 9 8-Mar-02 13:46 7.0 11.5 C 52.7 F 8.9 4.1 ntu 30  
River at     A A   B A A  
WID Dam                  
                 
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