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Water Quality

LA Sanitation (LASAN) staff perform extensive testing and assessments in the following fields:
  • Microbiology
  • Marine biology
  • Toxicity testing
  • Wastewater and marine chemistry
  • Solid waste and air quality monitoring
  • Process control
  • Industrial waste pretreatment analysis

Our goal is to provide quality and cost-effective environmental data, research, and assessment in support of LA Sanitation's operation, compliance, and source control activities to protect public health and the environment
LA River
Is today a good day for recreational activities in the LA River? Find out here!More about Los Angeles River Quality
HTP employees
Learn more about our Water Quality Monitoring processes and guidelines.More about Water Quality Monitoring