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Stormwater - Zoos and Botanical Gardens

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Plant at a Botanical Garden.Fertilizers, pesticides, and organic wastes are among the many common stormwater pollutants that can degrade water quality.  Stormwater runoff from botanical gardens and zoos have been found to contain high concentrations of organic wastes, fertilizers, pesticides, and soil.  When these materials wash into local waters they poison fish and contaminate the water.  Soil and dirt washed from the grounds can also harm aquatic life by clogging the gills of fish, blocking light transmission, lowering water temperatures, and inhibiting photosynthesis.  In addition, zoos create substantial quantities of animal wastes which have been found to contain high concentrations of pathogens such as bacteria, parasites, and viruses.  When they wash into our recreational waters they can make people sick with sore throats, intestinal problems, rashes, nausea, and eye and ear infections. 


Your Regulatory Requirements - County of San Diego, Stormwater Ordinance


What can I do?
Use Best Management Practices (BMPs)! 
BMPs are techniques or controls used to prevent or reduce the discharge of pollutants, such as fertilizers, pesticides, and organic wastes, into the stormwater conveyance system also known as the storm drain system.

Helpful Information and Documents:
General Stormwater BMP Brochure
CASQA BMP Handbooks
Pollutant Impacts on Water Quality
San Diego County Wastewater Agencies 

Tips: Avoid over watering after fertilizer application.
          Use less-toxic alternatives.


Back to Main Watersheds Topics and Activities Home Page

If you have questions or would like additional information, 
call the County Stormwater hotline at 1(888) 846-0800
or e-mail us at watersheds@sdcounty.ca.gov

Report a Stormwater Violation On-Line
 
COUNTY OF SAN DIEGO
Department of Public Works
Watershed Protection Program
 
5510 Overland Ave., Suite 410, MS O326
San Diego,  CA  92123,  USA
(858) 495-5318           Fax: (858) 495-5263