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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.


Questions about the Department of Environmental Protection?


DEP Logo



Operating Budget and Organizational Chart


Operating Budget for the Department of Environmental Protection for Fiscal Year 2017

Operating Budget by Fund 

Amount in U.S. Dollars

Solid Waste Fund $92,210,590
Water Quality Protection Fund $25,274,876
General Fund $2,737,274
Total Budget: All Funds Totaled $120,222,740


Contact DEP Staff

DEP Organizational Chart diagram.





Responsibilities of DEP's Divisions


Image of DEP staff member talking about stream wildlife to a County resident.

Office of the Director

Administration and Operations

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

Water and Wastewater

  • 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.



Environmental Policy and Compliance

  • Analyze, develop, and recommend environmental policies related to:
    • Environmental Sustainability
    • Air Quality
    • Energy Conservation
    • Forest & Tree Conservation
    • Energy Grants
  • Enforce the County's environmental codes and regulations including illicit discharge detection and elimination
  • Enforcement activities support the Water Quality Protection Charge and Solid Waste Programs.


Image of DEP Director, Bob Hoyt, speaking to a crowd of residents, nonprofits and business leaders.


Watershed Restoration and Capitol Grants

  • Water quality monitoring
  • Assessment of bilogical 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
    • Stream restoration
    • Pond retrofitting
    • Low-impact development and environmentally sensitive design retrofitting
    • Green Streets

Watershed Construction Management

  • Construction, restoration, and maintenanceof stormwater facilities
    • Constructing aquatic habitat or planting native vegetation
    • Repair of structural components
    • Removal of large accumulation of sediments

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
Collections Field Staffer Kelly Boyle observes incoming recyclables
  • 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.
  • Includes the following programs: Debt Service Disposal Fund, Administration, Revenue Management and System Evaluation, and Automation.
  • Includes activities related to budget, rate setting, revenue management, non-RRF debt service, automation, and contract administration.
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.

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


Advisory Groups and Commissions

  • Dickerson Area Facilities Implementation Group 
  • Noise Control Advisory Board 
  • Solid Waste Advisory Committee
  • Sustainability Working Group