Lodi Citizen's Monitoring - Lodi, California
April 2008
Weather: Clear, light breeeze , temperature 29C (84 F)
date Water had some olive brown color reported.
11-Apr-08 River level down, dam lowered 10/1/07, Lodi Lake drained
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 11-Apr-08 9:04 7.6 12.6 C 54.7 10.8 2.3 ntu 50 0  
River before City     A A F A A A A  
Storm System inlets                    
Site # 2 11-Apr-08 9:20 7.4 12.7 C 54.9 10.0 2.9 ntu 50 0  
River     A A F A A A A  
near Casa de Lodi                    
Site # 5 11-Apr-08 15:50 7.8 18.0 C 64.4 7.6 3.4 ntu 30 0  
River at     A B F B A A A  
1050 N Lincoln                    
Site # 7                    
River, near Gazebo                    
N/O Lodi Lake                    
Site # 7A                    
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 11-Apr-08 15:01 8.0 17.2 C 63.0 na na na 0 D.O., Turbidity, and TDS meters not working
River below WID     A A F       A  
Dam at Bridge                    
Weather: Clear, calm, temperature 26 C (78 F)
date Water had some olive-brown & green color reported.
25-Apr-08 River level up, dam raised, Lodi Lake refilling
            Dissolved   (TDS) Nitrate,  
        Water Oxygen Turbidity Conduct. as mg/L  
Test Site Date Time  pH Temperature mg/L NTU uS Nitrogen Remarks
Site #1 25-Apr-08 12:53 7.2 17.2 C 63.0 10.4 2.6 ntu 60 0  
River before City     A B F A A A as mg/L  
Storm System inlets                    
Site # 2 25-Apr-08 13:15 7.2 14.5 C 58.1 10.1 2.7 ntu 60 0  
River     A A F A A A A  
near Casa de Lodi                    
Site # 5 25-Apr-08 15:10 7.0 15.4 C 59.7 9.5 4.5 ntu 50 0  
River at     A A F A A A A  
1050 N Lincoln                    
Site # 7 25-Apr-08 15:24 7.1 14.9 C 58.8 7.7 3.2 ntu 40 0 Ducks & Geese in water
River, near Gazebo     A A F B A A A  
N/O Lodi Lake                    
Site # 7A                    
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 25-Apr-08 15:49 7.6 15.4 C 59.7 10.0 1.8 ntu 30 0 Some litter along bank
River below WID     A A F 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