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Stormwater - Horses and Livestock

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Horses on a farm.Horse and livestock wastes are among the many common stormwater pollutants that can degrade water quality.  Stormwater runoff from livestock waste has 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.  Manure also contains nutrients such as phosphorus and nitrogen, that fertilize aquatic algae blooms and promote bacterial growth which can degrade water quality. 


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 livestock wastes, into the stormwater conveyance system also known as the storm drain system.

Helpful Information and Documents:
Horse and livestock Manure Video
General Stormwater BMP Brochure
Horse and Livestock brochure
CASQA BMP Handbooks
Pollutant Impacts on Water Quality
San Diego County Wastewater Agencies 

Tip: Store manure away from drainage areas.


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