Lodi Citizen's Monitoring - Lodi, California          
January, 2001                  
                   
Weather: 1/4/01 - Clear with fog in morning, 1/10/01 Rain and wind      
                   
                (TDS)  
        DO Turbidity Water Conduct.  
Test Site Date Time  pH mg/L NTU Temperature uS Remarks
Site #1 4-Jan-01 16:00 8.2 10.4 2.2 10.1 C 50.2 F 60 12" depth of measurements
river above storm   GRADE: B A A A   A Weather was sunny and clear. 
                  Last rainfall: 12/14/00, 0.10 inch.
Site #2 4-Jan-01 16:45 8.1 10.9 2.1 9.9 C 49.8 F 40 minimal flow from stormdrain,
City stormdrain no.1   GRADE: B A A A   A sampled just below stormdrain
Site #3 10-Jan-01 16:15 8.4 11.44 59.4 9.4 C 48.9 F 20 Sample done a week later than others.
317 Mokelumne   GRADE: B A D A   A Pouring rain and wind.
City stormdrain no.3                 Heavy flow from stormdrain.
Site #4 10-Jan-01               Storm conditions prevented sampling
River - Awani Dr.                  
Site #5 10-Jan-01 16:45 8.6 11.25 59.4 9.7 C 49.5 F 20 Heavy rain and wind reported.
1202 Rivergate    GRADE: B A D A   A Heavy flow from stormdrain.
City stormdrain no.5                  
Site #6 4-Jan-01 16:12 7.2 11.7 2.7 9.7 C 49.5 F 40 river sample taken from 7 ft off bank,
1050 N. Lincoln   GRADE: A A A A   A above active low flow storm drain,
City stormdrain no.8,                  
Site #7 4-Jan-01 15:30 7.4 9.0 2.6 9.4 C 48.9 F 2.6 storm drain is partially submerged.
Lake Nature Area   GRADE: A A A A   A Sampled 5 ft off bank, 
River by stormdrain                 12" below surface.
Site #8 4-Jan-01 15:47 7.6 11.45 6.4 14.6 C 58.3 F 540 no remarks 
Lodi Lake at   GRADE: A A B A   D  
City stormdrain no.16                  
stormdrain at #8 4-Jan-01 na 7.8 na na na na 300 (B) low flow, perhaps 1 cup per minute.
Site #9 4-Jan-01 NR 7.4 15.05 3.5 9.5 C 49.1 F 40 no remarks
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