Lodi Citizen's Monitoring - Lodi, California          
JULY 2004                    
Limited monitoring by two student monitoring groups.          
Weather: Clear, light breeze, temperature 26 C (78 F)        
  Water had some cloudiness and some green & olive/brown color reported.  
  Woodbridge Dam in operation, River level up, Lodi Lake with water.    
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 9-Jul-04 13:15 7.2 18.1 C 64.6 F 7.4 3.1 ntu 50 0  
River before City Grade:   A A   A A A A  
Storm System inlets                    
                    Not monitored
                     
                     
                    Not monitored
                     
                     
                    Not monitored
                     
                     
                    Not monitored
                     
                     
                    Not monitored
                     
                     
Site # 7 9-Jul-04 15:15 7.5 21.6 C 70.9 F 8.0 3.0 ntu 45 NA  
River, near Gazebo Grade:   A A   A A A    
N/O Lodi Lake                    
Site # 7A 9-Jul-04 16:00 7.8 25.0 77.0 F 7.5 NA 50 NA  
East end (S/o SD) Grade:   A A   A   A    
Lodi Lake                    
                    Not monitored
                     
                     
Site # 9 9-Jul-04 13:45 7.1 22.8 C 73.0 F 6.9 3.4 ntu 40 0 Dam Construction
River at Grade:   A A   B A 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