Lodi Citizen's Monitoring - Lodi, California          
September 2002                    
Weather: Clear, sunny, very light breeze, 31.5 C, 89F
                     
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 13-Sep-02 15:45 7.0 18.2 C 64.8 F 13.1 3.7 ntu 50 ND 40 ft from lagoon
River before City     A A   A A A A  
Storm System inlets                    
Site # 2 13-Sep-02 16:20 6.7 18.3 C 64.9 F 13.1 1.8 ntu 60 ND boat passing by
River     B A   A A A A  
near Casa de Lodi                    
Site # 3 13-Sep-02 15:40 6.9 18.7 C 65.7 F 9.1 3.5 ntu 60 ND tested along fence on right
River at     B A   A A A A  
Mokelumne River Dr.                    
Site # 4 13-Sep-02 17:05 6.5 19.7 C 67.5 F 8.8 3.2 ntu 40 ND  
River at "Scenic     B A   A A A A  
Overlook" Awani Dr.                    
Site # 5 13-Sep-02 16:15 7.0 19.2 C 66.6 F 8.4 3.3 ntu 50 ND pH meter questionable 
River, Glen Beach     A A   A A A A paper = 6.5
Edgewood Dr.                   at property fence
Site # 6 13-Sep-02 15:40 7.0 22.3 C 72.1 F 7.9 7.2 ntu 50 ND pH meter questionable 
River, N/O     A A   A B A A paper = 6.5
Pigs Lake                   open site E/O Pigs aLake
Site # 7 13-Sep-02 15:44 7.6 21.9 C 71.4 F 7.3 3.0 ntu 50 NA Tested by two teams
River, near Gazebo   16:30 na 21.2 C 70.2 F 8.1 4.0 ntu 50 ND  
N/O Lodi Lake     A A   A A A A  
Site # 7A 13-Sep-02 15:54 na 25.3 C 77.5 F 8.2 3.3 ntu 50 ND new site, first test
East end (S/o SD)       A   A A A A  
Lodi Lake                    
Site # 8 13-Sep-02 8:38 8.0 23.9 C 75.0 F 8.3 5.7 ntu 70 NA  
Lodi Lake above     A A   A B A    
last Storm Drain                    
Site # 9 13-Sep-02 17:00 7.8 20.7 C 69.3 F 7.3 3.4 ntu 50 NA  
River at     A A   B A A    
WID Dam                    
NA = Not Analyzed (equipment problems)         ND = None Detected at instruments detection level
GRADE: pH Temp D.O.     Turbidity TDS Nitrates
7.0 - 8.0 Weather > 85% Saturation   < 5 < 150 < 1
6.5-6.9, 8.1-8.5 and   75-84% Sat.   5 - 20 151 - 300 2  -  3
6.0-6.4, 8.6-9.0 condition 65-74% Sat.   21 - 50 301 - 500 4  -  5
5.5-5.9, 9.1-9.5 dependent 55-64% Sat.   50 - 150 501 -1000 6  -  10 
<5.5, >9.5     < 55%Sat.,<5.0mg/L   > 150 > 1000 > 10

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