Your Lawn, Your Bay, Your Responsibility
Your Lawn, Your Bay, Your Responsibility
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Your Lawn Shouldn't Be a Health Hazard

The Hidden Costs of a Green Lawn


That perfect lawn may look harmless, but the chemicals used to maintain it put our health and Manhasset Bay at risk. Common products contain:

  • Weed-and-feed mixes with glyphosate or 2,4-D
  • Synthetic fertilizers loaded with nitrogen and phosphorus
  • Weed control chemicals like glyphosate and 2,4-D
  • Insecticides & fungicides such as chlorpyrifos, carbaryl, and neonicotinoids

These substances are linked to serious health conditions, water pollution, and long-lasting environmental harm. 

It’s time to rethink how we care for our lawns, and protect our families, pets, and bay.

What to do Next

Risks to our Children and PetsProtect Manhasset Bay

Law and Science: The Truth About Lawn Chemicals

What the Law Says

1.  NYSDEC, Draft Long Island Watershed Action Agenda, p. 6 — nitrogen & algal blooms. https://dec.ny.gov/sites/default/files/2025-06/draft-liw-action-agenda.pdf

2.  NYSDEC, Draft Long Island Watershed Action Agenda, pp. 2–3 — LINAP foundation, LIWAA goals & structure. https://dec.ny.gov/sites/default/files/2025-06/draft-liw-action-agenda.pdf

3.  Cornell Cooperative Extension Nassau — Nassau County fertilizer blackout dates (Nov 15–Apr 1). https://ccenassau.org/resources/-fertilization-of-trees-and-shrubs

4.  NY State Nutrient Runoff Law — phosphorus restrictions on established lawns. https://operationsplash.org/2023/04/14/bay-safe-garden-and-lawn-care-fertilizer/

5.  NY Senate Bill S.393 — nitrogen fertilizer restriction. https://www.nysenate.gov/legislation/bills/2021/S393

6.  Town of North Hempstead — STOP hazardous waste, native plant rebates, landscaper licensing. https://www.northhempsteadny.gov/ 

What the Science Shows

1.  Health Effects of 30 Commonly Used Pesticides https://www.beyondpesticides.org/assets/media/documents/lawn/factsheets/30health.pdf


2.   The Clue to Unlocking Parkinson’s May Be All Around Us - New York Times, 

https://www.nytimes.com/2025/09/08/opinion/parkinsons-pesticides-chemicals.html


3.  EPA Basic Information about Pesticide Ingredients

 https://www.epa.gov/ingredients-used-pesticide-products/basic-information-about-pesticide-ingredients


4.  Science Direct: Agrochemicals and Their Harm to the Environment

https://www.sciencedirect.com/topics/earth-and-planetary-sciences/agrochemical  

Informational Videos

See the Impact. Be the Change

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The Runoff Reality

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Change in Motion

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