Lodi Citizen's Monitoring - Lodi, California
August   2009
Weather: Light breeze, sunny (29.8C/ 85.6F) Last rain: June 4
date Visual Observations: Odor: musky- 7A- all else- no odor;Algae: dense- sites 7, 7A, none elsewhere;
Foam: none;Turbidity: clear-sites 2,7,9. Murky- site 7A; Flow-low except for site 9-high. Oil-none;
Litter- none except for site 9- high.Color-Sites 2,9- no color; sites 7,7A- green.
14-Aug-09 River level up, dam raised, Mokelumne River impounded, Lodi Lake filled-3-17-09
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 14-Aug-09                  
River before City                   no data
Storm System inlets                   available
Site # 2 14-Aug-09   7.8 18.2 C 64.8 F 9.7 70 ntu 44 0 kayaker went by
River   15:52 A A   A D A A
near Casa de Lodi                  
Site # 5 14-Aug-09                 no data available
River at                  
1050 N Lincoln                  
Site # 7 14-Aug-09   6.4 21.7 C 71.1 F 8 1.6 ntu 40 0 pH seems suspect
River, near Gazebo   16:15 C digital digital  Chemet A A A
N/O Lodi Lake       in can in can        
Site # 7A 14-Aug-09   7.4 25.4 C 77.7 F 8 5.0 ntu 50 0 problems with DO meter
East end (S/o SD)   15:50 A digital digital  Chemet A A A
Lodi Lake       in can in can        
Site # 8 14-Aug-09                 no data available
Lodi Lake                  
near Storm Drain                  
Site # 9A 14-Aug-09   8.0 22.2 C 72.0 F 9.2 10 ntu 50 0 kids spear fishing below bridge
River below WID   16:23 A A   A B A A
Dam at Bridge                  
Weather: Clear, Sunny, Calm- temperature 33.8 C (9 Last rain: June 4
Visual observations: Odor-site 1-none; site 9- musky; Algae-none; Foam- none; Turbid-none; F
 Litter- site-1- none; site 9- high; Color of water-none.
28-Aug-09 River level up because of impoundment, dam in place, Lodi Lake filled- 3/17/09
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 28-Aug-09   7.8 18.9 C 66.0 F 10.2 2.8 ntu 50 0  
River before City   16:03 A A   A A A A none
Storm System inlets                    
Site # 2 28-Aug-09                 no data available
River                  
near Casa de Lodi                  
Site # 5 28-Aug-09                 no data available
River at                  
1050 N Lincoln                  
Site # 7 28-Aug-09                 no data available
River, near Gazebo                  
N/O Lodi Lake                  
Site # 7A                   no data available
East end (S/o SD)                  
Lodi Lake                  
Site # 8 28-Aug-09                 no data available
Lodi Lake                  
near Storm Drain                  
Site # 9A 28-Aug-09   7.8 21.3 C 70.3 F 10.2 2.3 ntu 40 0 cleaned smudge on turb. vial
River below WID   16:50 A A   A A A A
Dam at Bridge                  
NA = Not Analyzed
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