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About the Department of Environmental Protection

The mission of the Department of Environmental Protection (DEP) is to enhance the quality of life in our community by protecting and improving Montgomery County's air, water and land in a sustainable way while fostering smart growth, a thriving economy and healthy communities.

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Organizational Chart

Org ChartDeputy-Director Wastewater Compliance WMD CIP Solid-Waste

Responsibilities of DEP's Divisions

Office of the Director

Deputy Director

  • Generates the Water Quality Protection Charge revenue and rate.

  • Manages integration of Water Quality Protection Charge funds, Bond issuance funds, and General funds with program and permit requirements.

  • Manages budget, rate setting, and revenue management for solid waste services.

  • Provides IT, procurement, budget, and other management services to implement capital and non-capital programs.

  • Manages strategic initiatives related to procurement, business process improvements and program metrics.



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Water and Wastewater Group

  • Analyze, develop, recommend, and implement water supply and wastewater disposal service policies, in coordination with land use planning and utility services, through the County's comprehensive plan.

  • Analyze, develop, and recommend regional local wastewater and water supply policies at utilities and governing bodies, including WSSC, WASA, MWCOG, and the State of Maryland.



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Watershed Management and Operations

  • Water quality monitoring

  • Assessment of biological community and physical condition of streams

  • Special Protection Area best management practice monitoring

  • Stormwater outfall monitoring

  • Construction, restoration, inspection and maintenance of stormwater facilities

  • Administration of the County's Municipal Separate Storm Sewer Systems (MS4) Permit

  • Watershed restoration grants



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Watershed Restoration Capital Projects

  • Capital Projects - Construction of stormwater management facilities
    • Stream restoration
    • Pond retrofitting
    • Low Impact Development
    • Green Streets
  • Capital Projects - Restoration and maintenance of stormwater management facilities
    • Constructing aquatic habitat or planting native vegetation
    • Repair of structural components
    • Removal of large accumulation of sediments
  • RainScapes
    • Rewards Rebates
    • RainScapes Communities
    • RainScapes Resources


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Environmental Policy and Compliance

  • Analyze, develop, and recommend environmental policies, and implement programs, related to:

    • Energy Efficiency & Renewable Energy
    • Forests & Trees
    • Sustainable Business Practices
    • Air & Water Quality
    • Lawn Care
  • Enforce the County's environmental codes and regulations, including illegal discharges to storm drains and streams

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Solid Waste Services

Northern Operations & Strategic Planning

  • Includes the following programs: Resource Recovery Facility & Related Waste Transfer (RRF), Dickerson Compost Facility, Site 2 Landfill, Waste System Program Development, and Dickerson Master Plan.

  • The RRF serves as the primary disposal facility for non-recycled waste generated in the County. Electricity generated by the combustion of municipal solid waste is sold to Constellation Energy.

  • Dickerson Compost Facility includes all processing, transporting, composting, and marketing of yard trim received by the County.

Central Operations

  • Includes the following programs: Out-of-County Refuse Disposal (OOC), Recycling Center, Solid Waste Transfer Station, Mixed Paper Recycling, Oaks Landfill, Residential Household Hazardous Waste, Satellite Drop-off Sites, Waste Reduction, Gude Landfill, Regulation of Refuse & Recycling Transportation, and Waste Detoxification.

  • OOC provides for rail shipment of ash residue from the RRF and non-processable waste, such as construction materials, from the Transfer Station to a disposal cell in Virginia.

  • The Recycling Center provides for the separation, processing, and marketing of recyclable materials (glass, metal, plastic).

  • The Solid Waste Transfer Station provides a receiving, processing, and shipping facility for municipal solid waste generated within the County.

  • Mixed Paper Recycling provides for the management, processing, and marketing of the County's residential mixed paper, including newspaper, corrugated containers, kraft paper bags, magazines, telephone directories, and unwanted mail.


  • Includes the following programs: Residential Recycling, Refuse Collection, and Housing and Environmental Permit Enforcement.

  • Residential Recycling Collection provides for the administering, monitoring, and enforcing of countywide recycling contracts with private collectors responding to service needs of residents.

  • Refuse Collection secures, administers, monitors and enforces contracts with private collectors for residential refuse collection in Subdistrict A of the Solid Waste Collection and Disposal District.

Waste Reduction & Recycling

  • Includes the following programs: Commercial Recycling and Waste Reduction, Recycling Multi-Family Dwellings, Recycling Outreach & Education, and Support for Recycling Volunteers.

  • Provides technical support, outreach, education, and training to single-family residents, multi-family property owners, managers and residents, and business owners, managers, and employees, as well as commercial property managers, to promote and maximize waste reduction, reuse, and recycling and the purchase of recycled products and materials.

Collections Field Staffer Kelly Boyle observes incoming recyclables

Recycling Center

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DEP's Performance and Results

DEP's Performance Plan lists each of DEP's Headline Performance Measures and identifies how well the Department is achieving results through succinct analysis highlighting contributing factors, limiting factors, and ways DEP aims to improve its performance. It also outlines the Department's operational efficiency.

  1. Amount of Pollutant Removed Through the Watershed Restoration Program

  2. Index of Biological Integrity (IBI) Scores in County Watersheds

  3. Average Number of Days to Resolve Incoming Environmental Complaints

  4. Percent Satisfied with DEP's Response to Environmental Complaints

  5. Residential/Nonresidential Energy Use as a Measure of Greenhouse Gas Reductions

  6. Percent Concurrence of County Council Water and Sewer Service Actions with DEP Recommendations

  7. Percent of Total Municipal Solid Waste Recycled

  8. Missed Collection Complaints per Week

  9. Percent of Total Municipal Solid Waste Sent to Landfill

  10. Single-Family Solid Waste Charges


County STAT: Results-based Accountability



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