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Norfolk County, MA Environmental Rules: Erosion Control (2026)

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Key Facts

County Rule?: None — municipal enforcement
State: MGL c. 131 §40 (Wetlands)
Federal: EPA Construction General Permit
Common BMPs: Silt fence, wattles, blankets
Stabilization: 14 days temp, permanent at end

These county ordinances apply to unincorporated areas of Norfolk County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Summary

Norfolk County does not enforce erosion control. Each municipality requires erosion and sediment controls on construction sites under local bylaws, the Wetlands Protection Act, and EPA construction general permit.

Full Breakdown

Erosion and sediment control in Norfolk County operates at multiple levels. Local: each town's building/engineering code requires an erosion control plan for grading permits; Brookline, Dedham, Weymouth have detailed stormwater bylaws covering construction. State: MA Wetlands Protection Act (MGL c. 131 §40) requires Conservation Commission review for work within 100 ft of wetlands. Federal: EPA Construction General Permit required for disturbance of 1+ acre. Standard BMPs include silt fencing, straw wattles, erosion control blankets, stabilized construction entrances, and sediment basins. Disturbed areas must be temporarily stabilized within 14 days of activity cessation per EPA CGP. Permanent stabilization required at completion. Conservation Commission site inspections are common.

Violations & Fines

No county enforcement. Municipal missing controls: stop-work order, $250-$2,500. Sediment discharge to wetlands under MGL c. 131 §40: $25,000/day. Federal CGP violations: up to $56,460/day.

Frequently Asked Questions

Who enforces erosion control rules in Norfolk County?

Norfolk County's code enforcement division is responsible for environmental ordinances. You can report violations or request information through the Norfolk County government website or by calling the main municipal line.

What are typical penalties for violating erosion control rules?

Most Norfolk County environmental violations start with a written warning followed by escalating civil fines for repeat offenses. Specific dollar amounts and any criminal-misdemeanor exposure depend on the section of code; consult Norfolk County's municipal code or staff for the current penalty schedule.

How does Norfolk County compare?

See how Norfolk County's erosion control rules stack up against other locations.

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Norfolk County, MA Environmental Rules: Erosion Control (2026)

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