Regulatory Compliance
Western is committed to complying with all applicable regulations to ensure that:

• Safe drinking water is supplied to our customers
• Wastewater is treated and/or recycled appropriately
• Construction and operations do not impact the environment

Western Engineering and Operations staff dedicates hundreds of hours and take thousands of water and wastewater samples per year to guarantee this compliance.

Regulators
Western Municipal Water District is regulated by a number of state, federal and local regulatory agencies including:

• California Department of Public Health (drinking water and recycled water)
• Riverside County Department of Environmental Health
• San Diego Regional Water Quality Control Board
• Santa Ana Regional Water Quality Control Board (wastewater and recycled water)
• South Coast Air Quality Management District
• California Department of Industrial Relations - Learn about Registration Requirements for all Public Work Contractors/Subcontractors

Other Critical Regulatory Agencies

• Air Resources Board
• United States Environmental Protection Agency
• California State Water Resources Control Board

Additional Resources

• Learn more about drinking water quality
• Learn more about recycled water uses and quality
• Learn more about wastewater
• Learn more about Private Water Wells