Lodi Citizen's Monitoring - Lodi, California          
May, 2001                  
                   
Weather: Clear, moderate wind, approximately 27oC, 81o      
                   
        Dissolved       (TDS)  
        Oxygen Turbidity Water Conduct.  
Test Site Date Time  pH mg/L NTU Temperature uS Remarks
Site #1 3-May-01 15:30 7.9 9.44 NA 15.2 C 59.4 F 40 River
river above storm   GRADE: A A       A  
Site #2 3-May-01 15:45 8.0 9.65 NA 15.9 C 60.6 F 50 River
City stormdrain no.1   GRADE: A A       A  
Site #3 3-May-01 16:45 7.8 10.6 2.5 ntu 16.9 C 62.4 F 40 River
317 Mokelumne   GRADE: A A A     A  
Site #4 3-May-01 16:05 7.4 10.65 2.5 ntu 15.6 C 60.1 F 40 River near
River at Stormdrain   GRADE: A A A     A stormdrain
Site #4b 3-May-01 15:45 7.6 10.43 3.1 ntu 16.7 C 62.1 F 40 River upstream
River   GRADE: A A A     A of stormdrain
Site #5 3-May-01 16:03 6.7 10.87 0.6 ntu 15.4 C 59.7 F 40 River 10 ft down-
1202 Rivergate    GRADE: B A A     A stream from SD
Site #6 3-May-01 15:45 6.6 10.81 1.9 ntu 15.3 C 59.5 F 40 River 20 ft down-
1050 N. Lincoln   GRADE: B A A     A stream from SD
Site #7 3-May-01 15:17 6.5 10.5 1.9 ntu 18.0 C 64.4 F 40 River 10 ft down-
Lake Nature Area   GRADE: B A A     A stream from SD
Site #8 3-May-01 16:00 7.8 8.93 5.7 ntu 18.9 C 66.0 F 40  
Lake at Drain #16   GRADE: A A B     A  
Site #9 3-May-01 15:25 8.0 11.35 3.4 ntu 17.6 C 63.7 F 40  
River near dam    GRADE: 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