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🌍 Environmental Rules/Grading & Drainage

Grading & Drainage: Calverton vs Islip

How do grading & drainage rules compare between Calverton, NY and Islip, NY?

Islip has fewer restrictions than Calverton.

Calverton, NY

Suffolk County

Heavy Restrictions

Suffolk County grading and drainage controlled by town land disturbance permits and Suffolk County Pine Barrens Protection Act. Central Pine Barrens Core Preservation Area is largely off-limits to development. Compatible Growth Area requires hydrology review.

View full Calverton rules β†’

Islip, NY

Suffolk County

Some Restrictions

Islip grading permits required under Town Code Chapter 58 for disturbance over 5,000 sq ft or altering drainage patterns. Final grade must direct water away from structures and not onto adjacent property. Dry wells sized for 100-year storm.

View full Islip rules β†’

Key Facts Comparison

FactCalvertonIslip
Pine Barrens LawNY ECL 57-0101-
Core Area55,000 ac (no dev)-
CGA47,500 ac (review)-
DrainageOn-site retention required-
Fine$10,000/day (Pine Barrens)500 dollars + restoration
Code-Town Code Ch. 58
Threshold-5,000 sq ft disturbance
Dry Wells-2 inch runoff capacity
Common Law-No increased flow to neighbor

Highlighted rows indicate differences between cities.

Calverton FAQ

Who enforces this in Suffolk County?

Suffolk County code enforcement at (631) 853-4000 handles complaints.

Who enforces this in Suffolk County?

Suffolk County code enforcement at (631) 853-4000 handles complaints.

Islip FAQ

Who enforces this in Islip?

Islip code enforcement at (631) 224-5600 handles complaints.

Who enforces this in Islip?

Islip code enforcement at (631) 224-5600 handles complaints.

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