Lodi Citizen's Monitoring - Lodi, California          
March, 2001                  
                   
Weather: Light Breeze and Overcast, Approximately 15 oC, 60 oF    
                   
                (TDS)  
        DO Turbidity Water Conduct.  
Test Site Date Time  pH mg/L NTU Temperature uS Remarks
Site #1 1-Mar-01 15:45 6.7 10.8 NA 10.9 C 51.6 F 40  
river above storm   GRADE: B B   A   A  
Site #2 1-Mar-01 NR 6.5 8.22 NA 12.4 C 54.3 F 180 Stormdrain
City stormdrain no.1   GRADE: B C   A   B  
Site #2 1-Mar-01 NR 6.7 11.3 NA 11.0 C 51.8 F 40 River
River   GRADE: B A   A   A  
Site #3 1-Mar-01 16:40 6.5 8.13 NA 12.9 C 55.2 F 240 Stormdrain
317 Mokelumne   GRADE: B C   A   B  
Site #3 1-Mar-01 NR 6.5 11.08 NA 10.9 C 51.6 F 40 River
River   GRADE: B A   A   A  
Site #4 1-Mar-01 NR 7.1 10.1 NA 12.5 C 54.5 F 190 Stormdrain
Stormdrain - Awani Dr.   GRADE: A B   A   B  
Site #4 1-Mar-01 NR 6.9 11.37 NA 10.9 C 51.6 F 40 River
River   GRADE: A A   A   A  
Site #5 1-Mar-01 17:25 6.9 11.29 NA 10.8 C 51.4 F 40 River
1202 Rivergate    GRADE: B A   A   A  
Site #5b 1-Mar-01 NR 7.0 8.6 NA 10.9 C 51.6 F 280 Stormdrain
City stormdrain no.5   GRADE: A C   A   B  
Site #6 1-Mar-01 15:55 6.7 11.59 3.7 ntu 11.3 C 52.3 F 40  
1050 N. Lincoln   GRADE: B A A A   A  
Site #7 1-Mar-01 15:23 6.6 11.46 5.5 ntu 12.3 C 54.1 F 40  
Lake Nature Area   GRADE: B A B A   A  
Site #8 1-Mar-01 16:40 8.0 8.05 9.3 ntu 11.7 C 53.1 F 240 At City 
      A C B A   B stormdrain no. 16
Site #9 1-Mar-01 15:55 7.6 14.39 4.0 ntu 10.8 C 51.4 F 40  
River near dam    GRADE: A A A A   A  
NA = Not Analyzed   NR = Not Recorded          

GRADE:

pH D.O. Turbidity Temp TDS  
A 7.0 - 8.0 > 85% Saturation < 5 Weather < 150  
B 6.5-6.9, 8.1-8.5 75-84% Sat. 5 - 20 and 151 - 300  
C 6.0-6.4, 8.6-9.0 65-74% Sat. 21 - 50 condition 301 - 500  
D 5.5-5.9, 9.1-9.5 55-64% Sat. 50 - 150 dependent 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