Lodi Citizen's Monitoring - Lodi, California
November 2008
Weather: Clear, Windy, temperature 19 C (68 F)
date Water had some olive-brown & green color, and algae reported.
07-Nov-08 River level down, dam lowered, 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 07-Nov-08 16:10 6.2* 14.5 C 58.1 F 12.1 3.0 ntu 60 na *pH meter (see below)
River before City       A   A A A   "Purple muck - foam" 
Storm System inlets                   all over beach area
Site # 2 07-Nov-08 17:05 5.9* 14.5 C 58.1 F 11.9 10.8 ntu 50 na *pH meter may be
River       A   A B A   incorreect, all low reads
near Casa de Lodi                   were with same meter
Site # 5 07-Nov-08 15:08 5.6* 14.7 C 58.5 F 9.4 5.1 ntu 50 na *pH meter may be
River at       A   A A A   incorreect, all low reads
1050 N Lincoln                   were with same meter
Site # 7 07-Nov-08 15:40 7.6 15.4 C 59.7 F 9.6 3.7 ntu 60 0  
River, near Gazebo     A A   A A A    
N/O Lodi Lake                    
Site # 7A                   No Water in Lake
East end (S/o SD)                    
Lodi Lake                    
Site # 8                    
Lodi Lake                    
near Storm Drain                    
Site # 9A 07-Nov-08 15:24 5.6* 15.0 C 59.0 F 9.5 10.9 ntu 50 na *pH meter may be
River below WID       A   A B A   incorreect, all low reads
Dam at Bridge                   were with same meter
Weather: Clear, calm, temperature 18 C (64 F)
date Water had some olive-brown color, and algae reported.
21-Nov-08 River level down, dam lowered, 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 21-Nov-08 13:00 8.2 14.4 C 57.9 F 10.2 2.6 ntu 50 0  
River before City     B A   A A A A  
Storm System inlets                    
Site # 2 21-Nov-08 13:27 8.1 13.9 C 57.0 F 10.1 2.1 ntu 50 0 Two Salmon
River     B A   A A A A observed
near Casa de Lodi                    
Site # 5 21-Nov-08 15:30 7.5 13.3 C 55.9 F 10.6 10.1 ntu 50 na  
River at     A A   A   A    
1050 N Lincoln                    
Site # 7 21-Nov-08 15:32 7.8 14.3 C 57.7 F 10.2 2.1 ntu 30 0  
River, near Gazebo     A A   A   A A  
N/O Lodi Lake                    
Site # 7A                 No Water in Lake
East end (S/o SD)                    
Lodi Lake                    
Site # 8 21-Nov-08 16:17 7.8 19.0 C 66.2 F na 2.1 ntu 200 0.6, 0.33 No River Water in Lake
Lodi Lake     A A     A   A Storm Runoff Only
near Storm Drain                    
Site # 9A 21-Nov-08 16:11 7.8 13.2 C 55.8 F 10.5 7.7 ntu 50 na  
River below WID     A A   A B 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