Water Quality in San Lorenzo Creek Watershed Diazinon in San Lorenzo Creek — A report from November 2000 posted on the website of the Sacramento River Watershed Program. Critical Coastal Area #95 — San Lorenzo Creek is designated a "critical coastal area" by the California Coastal Commission because of diazinon and runoff from urban development. Copper in Castro Valley Creek (2004) — Study conducted by Donald Yee, San Francisco Estuary Institute, for the Brake Pad Partnership. Urban Runoff Water Quality at Castro Valley Creek (1979) — Study conducted by Metcalf and Eddy, Inc., Palo Alto. Report is available from National Technical Information Service.

[Posted July 17, 2006]