Lodi Citizen's Monitoring - Lodi, California          
DECEMBER 2002                  
                     
Weather:
 
"Stormy", raining, some wind, temperature: 11C (52 F)      
  Water was generally turbid with litter/leaves.        
  Second major storm event of season, rainfall: approximately 0.7" in previous 24 hours.
            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-Dec-02 15:30 7.4 11.9 C 53.4 F 9.3 5.4 ntu 50 0 Leaves on bank
River before City     A A   A B A A and water surface.
Storm System inlets                    
Site # 2 NA                 Not sampled,
River                   unsafe conditions.
near Casa de Lodi                    
Site # 3 13-Dec-02 14:30 7.8 12.0 C 53.6 F 9.9 NA 50 0 Turbidity meter
River at     A A   A   A A not working.
Mokelumne River Dr.                    
Site # 4 13-Dec-02 14:45 7.7 12.1 C 53.8 F 10.9 NA 40 0 Turbidity meter
River at "Scenic     A A   A   A A not working.
Overlook" Awani Dr.                    
Site # 5 13-Dec-02 16:05 7.7 12.4 C 54.3 F 8.9 19.4 ntu 50 0  
River, Glen Beach     A A   B B A A  
Edgewood Dr.                    
Site # 6 13-Dec-02 15:40 8.2 11.5 C 52.7 F 8.9 12 ntu 50 0  
River, N/O     B A   B B A A  
Pigs Lake                    
Site # 7 13-Dec-02 15:27 8.4 12.5 C 54.5 F 10.3 7.1 ntu 50 0  
River, near Gazebo     B A   A B A A  
N/O Lodi Lake                    
Site # 7A NA                 Not Sampled
East end (S/o SD)                    
Lodi Lake                    
Site # 8 13-Dec-02 13:20 7.8 12.3 C 54.1 F 9.2 57.3 ntu 80 0 No lake, ponding
Lodi Lake above     A A   A D A A from storm drain
last Storm Drain                   water only
Site # 9 13-Dec-02 13:45 7.0 11.5 C 52.7 F 8.6 11.9 ntu 50 0  
River at     A A   B B A A  
WID Dam                    
NA = Not Analyzed (equipment problems)              
GRADE: pH Temp D.O.     Turbidity TDS Nitrates
A 7.0 - 8.0 Weather > 85% Saturation   < 5 < 150 < 1
B 6.5-6.9, 8.1-8.5 and   75-84% Sat.   5 - 20 151 - 300 2  -  3
C 6.0-6.4, 8.6-9.0 condition 65-74% Sat.   21 - 50 301 - 500 4  -  5
D 5.5-5.9, 9.1-9.5 dependent 55-64% Sat.   50 - 150 501 -1000 6  -  10 
F <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