Cornell Cooperative Extension

Suffolk County
fertilizing the water

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Suffolk County Fertilizer Turf Management Course

  • Wednesday, September 16, 2026, 9:00 AM - 12:00 PM

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On Long Island, we depend on our groundwater for drinking water. But the nitrogen fertilizer we apply to our lawns - especially when the grass is dormant - can move down through the soil and pollute our aquifer. To protect Long Island's waters, Suffolk County Local Law No. 41-2007 was passed to reduce nitrogen pollution to our groundwater and surface waters through the overall reduction and better management of fertilizer applications. Elements of the law include a ban on applying fertilizer in Suffolk County from November 1 to April 1, an educational course requirement for lawn care professionals, and educational signs and brochures posted in fertilizer retail establishments.

Fertilizer education opportunities

For retailers, landscapers, and lawn care professionals

Last day to register is 9/14/2026.

Fee

$20 per attendee

Learn More

https://healthylawns.suffolkcountyny.gov/index.html

Register

http://weblink.donorperfect.com/Turf

Contact

Garrett Price
Turf & IPM Specialist
gp434@cornell.edu

Location

This event is online

Last updated July 14, 2026

 

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