1. Sources Pathways and Loadings Workgroup
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Zone 4 Line A
Sources Pathways and Loadings Workgroup
December 12, 2007
Rand Eads
RiverMetrics LLC

2. Location – Cabot Blvd, Hayward
Item #3a

3. Zone 4 Line A Instrumentation Boom Stage Sensor Housing
Campbell
Data logger
TTS Software
Rain Gage
Solar Panel
ISCO Pumping
Sampler
Boom
Stage
Sensor
Housing
Turbidity Sensor

4. Sampling Summary HY07 11/10/06 – 02/06/07 10-min. records
Item #3a
Sampling Summary HY07
11/10/06 – 02/06/07 10-min. records
02/06/07 – 04/30/07 5-min. records
Season rainfall inches
Max stage 3.02 ft., Max Q 308 cfs
21 storms identified
120 SSC samples collected, 84 analyzed
Highest est. SSC = 3,463 mg/L, highest measured SSC = 2,744 mg/L

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Storm 4

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Storm 4

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Storm 20

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Storm 20

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