Erosion Control: Cambridge vs Lowell
How do erosion control rules compare between Cambridge, MA and Lowell, MA?
Cambridge and Lowell have similar restriction levels.
Cambridge, MA
Middlesex County
Cambridge construction sites must install erosion and sediment controls under the Stormwater Ordinance and state Wetlands Protection Act, with silt fencing, inlet protection, and stabilized entrances required.
View full Cambridge rules →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 →Key Facts Comparison
| Fact | Cambridge | Lowell |
|---|---|---|
| Trigger | 1 acre disturbance | - |
| BMPs | Silt fence, inlet protection | - |
| Stabilization | Within 14 days | - |
| Wetlands law | MGL c.131 s.40 | - |
| Non-compliance | Stop-work order | - |
| CGP trigger | - | 1 acre disturbance |
| Local plan trigger | - | 5,000 sq ft |
| Wetlands buffer | - | 100 feet |
| Required BMPs | - | Silt fence, inlet protection |
Highlighted rows indicate differences between cities.
Cambridge FAQ
What BMPs are required for a Cambridge construction site?
Silt fencing, inlet protection, stabilized entrances, and prompt stabilization of exposed soils at minimum.
Does the Conservation Commission review projects?
Yes, projects within 100 feet of wetlands or 200 feet of the Charles require filing under the Wetlands Protection Act.
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.
Compare other topics
See how Cambridge and Lowell 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