Green Area Ratio Training
This training seminar provides an overview of the Green Area Ratio, zoning lot boundary definitions, the GAR Guidebook, and the role of the Certified Landscape Expert.
Upcoming Events
Sep 27 2025 - 11:00
Oct 18 2025 - 11:00
Featured Services
Public Notices, Hearings, and Comments
Apply for certification and licensing for air pollution, hazardous substances, water quality.
The District’s resource for energy efficiency. Learn about energy related services, programs...
DOEE can help you with your energy and utility bills. Discounts on Your Utility Bills
Accreditation, certification and permitting protects humans and the environment.
The Enforcement Dashboard is an interactive map that allows people to explore Notices of Infraction...
Featured News
| 01/26/2023 DDOE Offers Free Home Radon Testing Kits |
DOEE Secures $200,000 to the Air Quality Pollution Program for Violations of the District’s Air Quality Regulations
Featured Homepage Events
Kingman Island Family Day - Sat, Sep 27
Kingman & Heritage Island
Join DOEE biologists for a fun afternoon of fishing at DOEE's Kingman & Heritage Islands. All bait, tackle, and instruction will be provided.
Requirements:
- Anglers ages 16-64 must possess a DC fishing license
- All participants must sign a waiver and release form
Diamond Teague Fishing - Sat, Oct 18
Diamond Teague Park - Riverwalk Trail
DOEE biologists will be hosting a Community Fishing Event at Diamond Teague Park on the Anacostia River. DOEE staff will provide all the gear and equipment required to have a successful day of fishing fun!
- Saturday, September 6 - 9:00am - 12:00pm
- Saturday, October 18, - 11:00am - 2:00pm
Requirements:
- Anglers ages 16-64 must possess a DC fishing license
- All participants must sign a waiver and release form
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