Stormwater Management: Rockville vs Takoma Park
How do stormwater management rules compare between Rockville, MD and Takoma Park, MD?
Rockville and Takoma Park have similar restriction levels.
Rockville, MD
Montgomery County
Rockville holds a Municipal Separate Storm Sewer System (MS4) permit from the Maryland Department of the Environment and enforces stormwater management requirements for all development that disturbs 5,000 square feet or more. Stormwater management plans must conform to the latest MDE Design Manual. The city operates under National Pollutant Discharge Elimination System (NPDES) requirements to protect local waterways.
View full Rockville rules →Takoma Park, MD
Montgomery County
Takoma Park enforces stormwater management requirements under Montgomery County Chapter 19 and the city's own environmental priorities. Any development disturbing 5,000 or more square feet of land requires a stormwater management plan. The county requires environmental site design using techniques like rain gardens, permeable pavement, and green roofs to manage runoff at the source. Takoma Park actively promotes rain barrel programs and green infrastructure.
View full Takoma Park rules →Key Facts Comparison
| Fact | Rockville | Takoma Park |
|---|---|---|
| Permit Type | MS4 under NPDES | - |
| Disturbance Threshold | 5,000 sq ft or 100 cu yd | - |
| Design Standard | MDE Stormwater Design Manual | - |
| Preferred Approach | Environmental site design (ESD) | - |
| Contact | 240-314-8567 | - |
| Trigger | - | 5,000+ sq ft land disturbance |
| Method | - | Environmental site design required |
| Rain Barrels | - | City distributes free periodically |
| Fine | - | Up to $5,000/day for violations |
| Public Works | - | 301-891-7633 |
Highlighted rows indicate differences between cities.
Rockville FAQ
When is a stormwater management plan required in Rockville?
A stormwater management plan is required for any development that disturbs 5,000 square feet or more of land area or moves 100 cubic yards or more of soil. Plans must conform to MDE's Stormwater Design Manual.
What is environmental site design?
ESD uses techniques like rain gardens, bioretention, permeable pavement, and green roofs to manage stormwater runoff at the source. Rockville requires ESD to the maximum extent practicable for new development.
Who maintains private stormwater facilities?
The property owner or designated maintenance entity is responsible. The city inspects private stormwater facilities and issues correction notices for non-compliant systems.
Takoma Park FAQ
When is a stormwater management plan required in Takoma Park?
A plan is required for any project disturbing 5,000 or more square feet of land. The plan must be approved by Montgomery County before a building permit is issued.
What stormwater techniques are required?
Maryland requires environmental site design to the maximum extent practicable, including rain gardens, permeable pavement, bio-retention, and green roofs to manage rainfall at the source.
Does Takoma Park offer any stormwater programs for residents?
Yes. The city periodically distributes free rain barrels, promotes native plant landscaping, and encourages green infrastructure as part of Chesapeake Bay restoration efforts.
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