Erosion Control: Lowell vs Somerville
How do erosion control rules compare between Lowell, MA and Somerville, MA?
Lowell and Somerville have similar restriction levels.
Lowell, MA
Middlesex County
Lowell construction sites over 1 acre require an EPA CGP SWPPP, and any disturbance over 5,000 square feet needs silt fence, stabilized entrances, and inlet protection under local rules.
View full Lowell rules →Somerville, MA
Middlesex County
Construction sites in Somerville must install silt fence, stabilized entrances, and inlet protection before earthwork. Violations are $300 per day.
View full Somerville rules →Key Facts Comparison
| Fact | Lowell | Somerville |
|---|---|---|
| CGP trigger | 1 acre disturbance | - |
| Local plan trigger | 5,000 sq ft | - |
| Wetlands buffer | 100 feet | - |
| Required BMPs | Silt fence, inlet protection | Silt fence, stabilized entry, inlet protection |
| Design guide | - | MA Stormwater Handbook |
| Stabilization | - | 14 days for inactive areas |
| Wetland jurisdiction | - | 100 feet Conservation |
| Fine | - | $300 per day typical |
Highlighted rows indicate differences between cities.
Lowell FAQ
What erosion controls do I need for a small project?
At minimum, silt fence down-gradient of disturbed soil, a stabilized gravel construction entrance, and covered or seeded stockpiles.
Do wetlands rules apply to my yard?
Yes if any portion of your yard is within 100 feet of a wetland, stream, or the Merrimack or Concord Rivers.
Somerville FAQ
Do I need erosion controls for a small home addition?
Yes if you are disturbing soil. At minimum install silt fence around stockpiles and protect nearby catch basins. Permit conditions will specify.
Who inspects erosion controls?
DPW Engineering inspects larger projects; ISD building inspectors flag BMP failures on smaller permits. Complaints can be filed via Somerville 311.
Compare other topics
See how Lowell and Somerville compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool