Grading & Drainage: Somerville vs Wakefield
How do grading & drainage rules compare between Somerville, MA and Wakefield, MA?
Somerville and Wakefield have similar restriction levels.
Somerville, MA
Middlesex County
Grading over 50 cubic yards or that changes drainage patterns requires DPW review in Somerville. Roof and yard drainage may not discharge to neighbors.
View full Somerville rules →Wakefield, MA
Middlesex County
Grading work must meet local stormwater bylaws, the MA Wetlands Protection Act, and 780 CMR. Drainage cannot discharge onto neighbors or the public way.
View full Wakefield rules →Key Facts Comparison
| Fact | Somerville | Wakefield |
|---|---|---|
| Permit trigger | 50 cubic yards or drainage change | - |
| Roof leaders | To storm or infiltration | - |
| Neighbor discharge | Prohibited | - |
| Retaining wall permit | Over 4 feet | - |
| Sump to sewer | Federal CWA violation | - |
| Slope away | - | 6 in over 10 ft |
| No runoff to abutters | - | Common rule |
| Wetland buffer | - | 100 ft |
| Code | - | 780 CMR |
| Septic overlap | - | 310 CMR 15.00 |
Highlighted rows indicate differences between cities.
Somerville FAQ
Can I regrade my yard to drain away from my foundation?
Yes, as long as the new flow stays on your property or goes to the street or storm drain. You cannot redirect water onto a neighbor's lot without permission.
Do I need a permit to build a small retaining wall?
Walls up to 4 feet typically need only zoning clearance. Walls over 4 feet (measured from bottom of footing) need a building permit and engineered plans.
Wakefield FAQ
Can I raise my yard above my neighbor?
Only if drainage does not discharge onto their property. Municipal bylaws and nuisance law limit regrading.
Do I need an engineer?
Larger projects or those near wetlands typically require a stamped drainage design.
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