Lodi Citizen's Monitoring - Lodi, California          
September   2009
 
Weather: Calm, sunny (34.8C/ 94.6F) Last rain: June 4
date Visual Observations: Odor- none; Algae- site 7 none, site 1 light, site  9A high;
  Foam- sites 1, 7 none, site 9 separated bubbles; Turbidity- sites 1, 9 clear, site 7 murky;
  Flow- site 7A none, sites 1, 7 low, site 9A high; Oil-site 1 none, sites 7, 9A light sheen;
  Litter- site 7 none, site 1 light, site 9A moderate; Color- sites 7, 7A no color; sites 1, 9A olive brown.
11-Sep-09 River level up, dam raised, Mokelumne River impounded, Lodi Lake filled-3-17-09
 
 
 
 
Calibration: Brian Bock on site to help students
            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-Sep-09 17:00 7.0 17.9 C 64 F 10.7 .8 ntu 30 0 DO supersaturated?
River before     A A   A A A A
Storm Syste                  
Site # 2 11-Sep-09                 No data available
River                  
near Casa d                  
Site # 5 11-Sep-09                 no data available
River at                  
1050 N Linco                  
Site # 7 11-Sep-09   7.0 19.6 C 67.3 F 9.7 3.9 ntu 30 0 DO supersaturated?
River, near G   16:25 A A   A A A A
N/O Lodi Lak                  
Site # 7A 11-Sep-09   6.5 27.1 C 80.8 F 10.5 1.5 ntu 40 0 DO supersaturated?
East end (S/   16:00 B A   A A A A
Lodi Lake                  
Site # 8 11-Sep-09                 no data available
Lodi Lake                  
near Storm D                  
Site # 9A 11-Sep-09   6.9 19.5 C 67.1 F 10.4 1.8 ntu 30 0 DO supersaturated?
River below   16:20 B A   A A A A
Dam at Bridg                  
 
Weather: Clear, Sunny, Calm- Breezy at site # 1- temperat Last rain: September 14, 2009. 42 inches
  Visual observations: Odor- none; Algae- all sites light; Foam- all sites none; Turbid- all sites none;
  Oil- all sites none; Flow- site 7 none, sites 1, 2 low, site 9A medium; 
  Litter- sites 1, 2, 7 none, site 9A light; Color- sites 7, 9A none, sites 1, 2 green.
 
25-Sep-09 River level up because of impoundment, dam in place, Lodi Lake filled- 3/17/09
Monitorers: Team # 1- Sites # 1, 2 - Ms. Hall- Lodi Academy-D. Rodriquez, S. Emmett, L. Lucero, D. Leach.  
  Team # 2: Sites # 7, 9-A- Tokay High- Mrs. Starr- Jenna Kanegawa, Gordon Wong. 
Calibration:  Furlough Friday- Brain Bock not on site.  Teams calibrated on own.
            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-Sep-09   7.9 16.9 C 62.4 F 9.8 .8 ntu 0 0  
River before   15:58 A A   A A A A none
Storm Syste                    
Site # 2 25-Sep-09   7.9 16.7 C 62.1 F 7.0 .8 ntu 0 0 DO meter suspect
River   16:20 A C   ChemMet A A A
near Casa d           C      
Site # 5 25-Sep-09                 no data available
River at                  
1050 N Linco                  
Site # 7 25-Sep-09   7.8 23.1 C 73.6 F 8.5 3.2 ntu 40 0 DO Meter reads "Error 4"
River, near G   15:15 A digital   ChemMet A A A
N/O Lodi Lak       A   A      
Site # 7A                   no data available
East end (S/                  
Lodi Lake                  
Site # 8 25-Sep-09                 no data available
Lodi Lake                  
near Storm D                  
Site # 9A 25-Sep-09   7.8 19.8 C 67.6 F 9.0 3.5 ntu 40 0 DO Meter reads "Error 4"
River below   15:51 A digital   ChemMet A A A
Dam at Bridg       A   A      
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