Lodi Citizen's Monitoring - Lodi, California

April 2010

Weather:

Clear, sunny, calm. Some light breezes. (20.4/ 68.7F)

Last rain: 4- 01-10

Season total: 16.19"

date

Visual Observations: Odor- All sites- none. Algae- Site # 1, 2- light. Sites- # 7, 8, 9-A- None.

09-Apr-10

Foam- 1,2, 7,8 - none.  9-A- separated bubbles. Turbidity- Sites- 1, 2, 7,  8, 9A - clear

Flow- Sites # 1, 2, 7, 9A- low. Site # 8- high. Oil- All sites- none.

Litter- Sites- 1,2, 7, 9A- none. Sites- 8- light- < 5 pieces. 

Color- Site # 1- Brown. Site- 2, 7- Olive Brown. Site #8- none.  Site # 9A- Blue.

River Water Level- River level up, dam closed, Mokelumne River impounded, Lodi Lake filled- 03-01-10.

Monitorers:

Sites # 1 Vacrezza Private Property; Site # 2- Casa de Lodi- Lodi Academy (Teacher- Caren Hall) 

Sites # 7- Lodi Lake Park- near gazebo- river. Lodi High School- (Teacher- Melissa Turner)- Morgan West

Site # 8- West side Lodi Lake, near outfall. Lodi High School- (Teacher- Melissa Turner)- Elise and Adam Robinson, Christina Pohl.

Dissolved

(TDS)

Nitrate,

Water

Oxygen

Turbidity

Conduct.

as mg/L

Test Site

Date

Time 

pH

Temperature

mg/L

NTU

uS

Nitrogen

Remarks

Site #1

09-Apr-10

13:30

7.5

10.3 C

50.5 F

10.4

20.0 ntu

40

0

weather calm

River before City

A

A

A

B

A

A

Storm System inlets

Site # 2

13:51

7.4

10.3 C

50.5 F

10.4

20.0 ntu

40

0

River

A

A

A

B

A

A

near Casa de Lodi

09-Apr-10

Site # 5

no data available

River at

1050 N Lincoln

Site # 7

09-Apr-10

16:13

7.6

15.7 C

60.3 F

10.4

.5 ntu

40

0

DO seems high- supersaturated

River, near Gazebo

A

A

A

A

A

A

N/O Lodi Lake

Site # 7A

no data available

East end (S/o SD)

Lodi Lake

Site # 8

09-Apr-10

15:40

7.9

16.7 C

62.1 F

9.8

1.9 ntu

40

N/A

pipe under water

Lodi Lake

A

A

A

A

A

Near Storm Drain

Site # 9

not available

River- Upstream

of dam

Site # 9A

09-Apr-10

13:15

6.8

15.5 C

59.9 F

9.2

5.1 ntu

40

ND

River below WID

B

A

A

B

A

Dam, under bridge

Weather:

Light breeze, clear and sunny. (20.9 C/69.6F)

Last rain: 2-26-10

21-Apr-10

Season total: 18.63"

date

Visual observations: Odor- None. Algae- All sites- None. Foam- All sites- None.

23-Apr-10

Turbidity- All sites- None. 

Oil- All sites- none. Flow- Sites- #1, 9A- Medium. Site # 8-None.

Litter- Sites # 1, 9A- None.  Site #- 8- Light (< 5 pieces)

Color- Site # 1- Brown. Site # 8, 9-A- None.

River Water Level- River level up, dam closed, Mokelumne River impounded, Lodi Lake filled- 03-01-10. 

Monitorers:

Team # 1- Sites # 1, 9A - Ms. Hall- Lodi Academy

Team # 2- Sites # 7, 8- Tokay High- (Mrs. Starr)- Ashley Fogola, Bre Sarmento, Alan Rodriquez

Dissolved

(TDS)

Nitrate,

Water

Oxygen

Turbidity

Conduct.

as mg/L

Test Site

Date

Time 

pH

Temperature

mg/L

NTU

uS

Nitrogen

Remarks

Site #1

23-Apr-10

16:53

8.0

11.1 C

52.0 F

9.5

2.5 ntu

40

0

sunny and clear

River before City

A

A

A

A

A

A

Storm System inlets

Site # 2

Data not available.

River

near Casa de Lodi

Site # 5

Data not available.

River at

1050 N Lincoln

Site # 7

Data not available.

River, near Gazebo

N/O Lodi Lake

Site # 7A

Data not available.

East end (S/o SD)

Lodi Lake

Site # 8

23-Apr-10

15:28

7.7

19.1 C

66.4 F

8.6

8.7 ntu

40

0

pipe under water

Lodi Lake

A

A

A

B

A

A

near Storm Drain

Site # 9A

23-Apr-10

17:36

6.9

11.9 C

53.4 F

9.5

6.0 ntu

40

0

DO seems supersaturated

River below WID

B

A

A

B

A

A

Dam at Bridge

NA = Not Analyzed

ND= None Detected

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