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Buffalo, NY Environmental Rules: Stormwater Management (2026)

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

Key Facts

Obligation
Construct and maintain eaves troughs/rain leaders to sewer connection
Standard
Must conform to Health Commissioner requirements
Authority
Buffalo Sewer Authority may disconnect where needed
Purpose of disconnection
Alleviate street/basement flooding or eliminate combined sewer overflows

Summary

Every building connected to the City sewer must have properly constructed and maintained eaves troughs and rain leaders connected to the sewer. The Buffalo Sewer Authority may disconnect these in certain areas to prevent basement flooding or combined sewer overflows.

§ 491-80. Construction required. Every owner or occupant of any building in the City of Buffalo which is connected with any sewer in the City shall construct thereon and keep in repair eaves troughs and rain leaders connecting with such sewer pipe or sewer connection. Such eaves troughs and rain leaders shall at all times conform to the requirements of the Health Commissioner.

§ 491-81. Disconnection from sewer system. Where deemed necessary by the Buffalo Sewer Authority to alleviate street and basement flooding or to eliminate certain combined sewer overflows, the Buffalo Sewer Authority in certain areas shall disconnect and splash block such eaves troughs and rain leaders to alleviate basement flooding or to eliminate combined sewer overflows.

Source: Buffalo Sewer AuthorityView official code

Full Breakdown

Under § 491-80, owners and occupants of sewer-connected buildings must construct and keep in repair eaves troughs and rain leaders that connect to the sewer, conforming at all times to Health Commissioner requirements. Under § 491-81, the Buffalo Sewer Authority may, where necessary, disconnect and splash-block such eaves troughs and rain leaders to alleviate street and basement flooding or eliminate combined sewer overflows, so some areas may be intentionally disconnected from the sewer.

Violations & Fines

Non-compliance with eaves trough and rain leader requirements is subject to the general penalty provisions of the Buffalo City Code. The Sewer Authority may order disconnection and splash-blocking at its discretion.

Frequently Asked Questions

Do I have to connect my gutters and downspouts to the City sewer?
Yes, § 491-80 requires all buildings connected to the City sewer to have eaves troughs and rain leaders connected to the sewer and kept in good repair.
Can the City make me disconnect my downspouts from the sewer?
Yes. The Buffalo Sewer Authority may disconnect and splash-block eaves troughs and rain leaders in certain areas where it is necessary to reduce flooding or combined sewer overflows.

Sources & Official References

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