Hartford, CT Environmental Rules: Erosion Control (2026)
Key Facts
- Disturbance threshold
- 10,000 sq ft cumulative
- Regrading threshold
- >30% of lot, >2 feet
- Slope threshold
- Greater than 15%
- Plan preparer
- Licensed engineer or landscape architect
- Citation
- Zoning Regulations § 6.16.3
Summary
Hartford requires an approved soil erosion and sediment control plan before any grading or land-disturbing activity that clears more than 10,000 square feet, regrades over 30% of a lot by more than 2 feet, or sits on a slope steeper than 15%.
A.Applicability. The regulations of this section apply to activities that:(1)Require the disturbance of ground, including the destruction or removal of ground cover leaving the land subject to accelerated erosion during or after construction, in a cumulative amount (including temporary disturbances and phased projects) greater than 10,000 square feet;(2)Results in the regrading of more than 30 percent of the total lot area by more than 2 feet;(3)Are located on slopes of greater than 15 percent; and(4)Otherwise requires an inland wetlands permit.B.Requirements.(1)No activity to which this section applies may commence, without the submission of a soil erosion and sediment control plan, a statement from the city engineer or qualified consulting party that such plan is satisfactory, and review and approval by the decision-making body.
Full Breakdown
Under Zoning Regulations § 6.16.3, grading or land-disturbing work that disturbs more than 10,000 cumulative square feet, regrades over 30 percent of a lot by more than 2 feet, sits on a slope steeper than 15 percent, or otherwise triggers an inland wetlands permit cannot begin until the applicant submits a soil erosion and sediment control plan, the city engineer or a qualified consultant certifies it, and the applicable decision-making body reviews and approves it. Detached single-unit homes outside a Campus Overlay, community gardens, and urban farms are exempt from the plan requirement, though they must still follow the state's erosion-control guidelines.
Violations & Fines
Grading without an approved erosion-control plan is a zoning violation: the zoning administrator can stop work and revoke permits, and the city can issue a $150/day citation or fines up to $250/day (§ 1.4.2, § 1.4.6).
Frequently Asked Questions
Do I need a permit to regrade my Hartford property?
Is a single-family home exempt from the grading plan?
Sources & Official References
Other rules in Hartford
Compare Hartford to another location·View the Connecticut environmental rules overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.