Water Quality Monitoring

 Water Quality Monitoring: From 2007-2009, Coastkeeper conducted two seasons of dry and wet season monitoring of wholesale nursery runoff. Water quality monitoring initially began with 112 wholesale nursery locations operated by 91 nurseries, however by the end of the project three nurseries closed, Nursery Water Quality Improvement Projec

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  id pesticides.  
• The Result? Most parameters exceeded their project action limits throughout the project (based on Basin Plan standards or EPA guidelines). Dry season monitoring of enrolled nurseries saw reductions in the following pollutant concentration: TSS, ammonia-nitrogen, orthophosphate, E. coli bacteria, and pesticide chlorphyrifos. During wet season monitoring, both enrolled and non-enrolled nurseries saw reductions in ammonia and nitrate loads, and increases in pesticides malathion, bifenthrin, and permethrin as well as total coliform and enterococcus bacte