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Brookhaven, NY Environmental Rules: Erosion Control (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Design standard
NYS Stormwater Design Manual and Erosion Control Manual
Disturbance cap
5 acres at once without an approved SWPPP
Inspection frequency
Every 7 days, or twice for largest sites
Advance notice
48 hours before clearing or grading
Water quality rule
No substantial turbidity contrast in surface waters
Governing section
Brookhaven Code § 86-7

Summary

Brookhaven ties every construction site's erosion and sediment control work to two named technical manuals: the state's Stormwater Management Design Manual and the New York Standards and Specifications for Erosion and Sediment Control, under Code § 86-7A. Practices built to those manuals are presumed compliant; anything else needs a licensed engineer, landscape architect, or certified erosion-control professional to certify equivalence.

Technical standards. For the purpose of this chapter, the following documents shall serve as the specifications and standards for stormwater management. Stormwater management practices that are designed and constructed in accordance with the documents set forth herein shall be presumed to meet the standards imposed by this chapter: (1) The New York State Stormwater Management Design Manual (New York State Department of Environmental Conservation, or any amendments thereto, hereafter referred to as the "Design Manual"). (2) New York Standards and Specifications for Erosion and Sediment Control (Empire State Chapter of the Soil and Water Conservation Society, 2004 (or most current version), or any amendments thereto, hereafter referred to as the "Erosion Control Manual.")

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4966897; v79 updated 2026-05-28; through 05-28-2026).

Full Breakdown

Section 86-7 sets the technical bar for every erosion and sediment control practice installed under Chapter 86: designs that follow the New York State Stormwater Management Design Manual or the New York Standards and Specifications for Erosion and Sediment Control, prepared by the Empire State Chapter of the Soil and Water Conservation Society, are presumed to meet the Town's standards. If a contractor's approach departs from those manuals, § 86-7B requires the applicant to prove equivalence to the Stormwater Management Officer's satisfaction, and that proof has to come from a New York State registered landscape architect, a certified professional in erosion and sediment control, or a licensed professional engineer.

Section 86-7C adds a water-quality backstop: no land development activity may cause turbidity that creates a substantial visible contrast to natural conditions in state surface waters. Upstream of the design standard, § 86-6A(1) caps active disturbance at five acres at any one time unless the site is working under an approved SWPPP with post-construction controls, and § 86-9 requires a qualified professional to inspect and document erosion and sediment control practices at least once every seven days for smaller projects, or twice every seven days for the largest disturbances, with reports kept in an on-site logbook available on request. The applicant must notify the Stormwater Management Officer 48 hours before installing controls, clearing the site, rough grading, or closing out the construction season.

Violations & Fines

Erosion-control failures are enforced the same way as other Chapter 86 violations: the Stormwater Management Officer can issue a notice of violation and a stop-work order under § 86-11, and § 86-11I sets fines of up to $3,000 or six months in jail for a first offense, $3,000 to $8,000 for a second offense within two years, and $8,000 to $20,000 for a third within five years, with each week counted separately.

Frequently Asked Questions

What erosion-control standards does Brookhaven require on a construction site?
Practices built to the New York State Stormwater Management Design Manual or the New York Standards and Specifications for Erosion and Sediment Control are presumed compliant under § 86-7A. Any other design needs a licensed engineer, landscape architect, or certified erosion-control professional to certify it's equivalent.
How much land can be disturbed at once in Brookhaven?
No more than five acres at any one time under § 86-6A(1), unless the project has an approved Stormwater Pollution Prevention Plan that includes post-construction stormwater management practices, in which case the disturbance can extend beyond that five-acre ceiling.
How often must erosion controls be inspected during construction?
At least once every seven calendar days for most regulated sites, and twice every seven days, separated by at least two full days, for the largest disturbances or sites near impaired waters, under § 86-9A. Inspection reports go in an on-site logbook.

Sources & Official References

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