Lodi Citizen's Monitoring - Lodi, California          
April, 2001                  
                   
Weather: Clear, sunny, light breeze, approximately 21oC, 70 o    
                   
        Dissolved       (TDS)  
        Oxygen Turbidity Water Conduct.  
Test Site Date Time  pH mg/L NTU Temperature uS Remarks
Site #1 5-Apr-01 15:30 8.2 10.5 NA 13.0 C 55.4 F 40  
river above storm   GRADE: B A       A Stormdrain/River
Site #2 5-Apr-01 15:50 7.9 9.97 NA 14.8 C 58.6 F 90  
City stormdrain no.1   GRADE: A A       A  
Site #3 5-Apr-01 16:45 7.7 11.43 NA 13.3 C 55.9 F 60  
317 Mokelumne   GRADE: A A       A Stormdrain/River
Site #4 5-Apr-01 16:05 8.1 11.35 NA 12.9 C 55.2 F 60  
Stormdrain/River   GRADE: B A       A  
Site #5 5-Apr-01 16:20 7.3 10.35 NA 12.7 C 54.9 F 40  
1202 Rivergate    GRADE: A A       A  
Site #5b 5-Apr-01 16:00 7.7 NA NA 14.8 C 58.6 F 210  
City stormdrain no.5   GRADE: A         B  
Site #6 5-Apr-01 16:00 7.3 10.22 NA 13.1 C 55.6 F 40  
1050 N. Lincoln   GRADE: A A       A  
Site #7 5-Apr-01 15:20 7.6 9.84 NA 16.9 C 62.4 F 40  
Lake Nature Area   GRADE: A A       A  
Site #8 5-Apr-01 17:01 7.6 11.5 NA 17.5 C 63.5 F 40 Stormdrain/River
at Drain #16   GRADE: A A       A  
Site #9 5-Apr-01 15:19 7.8 12.87 NA 15.3 C 59.5 F 50  
River near dam    GRADE: 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