Related Links

  • The California Stormwater Quality Association (CASQA) is a professional member association dedicated to the advancement of stormwater quality management through collaboration, education, implementation guidance, regulatory review, and scientific assessment. CASQA has been a leader since 1989 when the field of stormwater management was in its infancy. CASQA’s membership is comprised of a diverse range of stormwater quality management organizations and individuals, including cities, counties, special districts, industries, and consulting firms throughout the state. A large part of our mission is to assist California stormwater permittees in developing, implementing, and maintaining effective stormwater quality management programs, and draw upon the collective experiences of its individual members, to share successes and avoid the pitfalls.
  • Environmental Protection Agency - The Federal Environmental Protection Agency’s National Pollutant Discharge Elimination System (NPDES) home page.
  • City of Gilroy - Gilroy’s stormwater management home page.
  • Low Impact Development Center - The Low Impact Development Center is a non-profit organization dedicated to the advancement of Low Impact Development technology. Low Impact Development is a comprehensive land planning and engineering design approach with a goal of maintaining and enhancing the pre-development hydrologic regime of urban and developing watersheds.
  • The Santa Clara County Watershed Protection Division is an association of 13 cities and towns in the Santa Clara Valley, together with Santa Clara County and the Santa Clara Valley Water District. Program participants share a common permit to discharge storm water to South San Francisco Bay, California.
  • Santa Clara Valley Water District (SCVWD) - SCVWD serves as the steward of Santa Clara County streams through a Stream Maintenance Program.
  • Watershed Watch - This campaign is a public education initiative of the Santa Clara Valley Urban Runoff Pollution Prevention Program. It is dedicated to raising awareness of how important it is to all living things that we protect the watershed.
  • Watershed Watch Anti-Litter Campaign - Storm drains are not trash cans. Rain and runoff carry litter into storm drains and out to local creeks and the Bay without any cleaning or filtering. Watch this short video to see the impact that litter has on our watershed. 
  • 85th and 95th Percentile Rainfall Depths - The Central Coast Post-Construction Requirements stipulate that municipalities must require Regulated Projects to use rainfall statistics provided by the Central Coast Water Board or to calculate site-specific rainfall depths determined from local rainfall data using USEPA’s methodology (see Post-Construction Requirements Provision B.4.c). 
  • Watershed Management Zone Map - The urbanized portions of the Central Coast Region are categorized into 10 Watershed Management Zones (WMZs), based on common key watershed processes and receiving water type (creek, marine nearshore waters, lake, etc). Maps in Attachment A illustrate the WMZs for the Central Coast Region’s urbanized areas.

State Water Resources Control Board (SWRCB) 

The following are internet links to the SWRCB NPDES Stormwater program:

Central Coast Regional Water Quality Control Board (RWQCB) 

The following are internet links to the Central Coast RWQCB NPDES Stormwater program: