Environmental Services

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Norwalk is a permittee of the Los Angeles Regional Water Quality Control Board (LARWQCB) Municipal Separate Storm System (MS4) permit, which requires that jurisdictions in Los Angeles County reduce storm water discharges flowing untreated into storm drains and oceans.  The Environmental Services Division oversees compliance to the MS4 permit including the implementation of the City's Green Street Policy, Low Impact Development requirements, and manage business pollutant discharge inspections and related storm water management plan review.  The division also works along with multiple city departments to oversee the City's compliance with air quality and related environmental requirements mandated by the State; and monitors California Environmental Quality Act (CEQA) and National Environmental Policy Act (NEPA) compliance.

For more information, please call (562) 929-5723 or email engineering@norwalkca.gov.

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