Rainwater Harvesting: Calverton vs Islip
How do rainwater harvesting rules compare between Calverton, NY and Islip, NY?
Calverton and Islip have similar restriction levels.
Calverton, NY
Suffolk County
Rainwater harvesting is legal and encouraged throughout Suffolk County. Rain barrels and small cisterns require no permit. The Suffolk County Soil and Water Conservation District periodically offers subsidized rain-barrel programs. Larger cisterns and potable reuse systems require plumbing permits and backflow prevention.
View full Calverton rules →Islip, NY
Suffolk County
Rainwater harvesting for outdoor irrigation is legal and encouraged in Islip. No permit is needed for rain barrels under 100 gallons; cisterns that connect to plumbing require a building permit and backflow prevention per NY Plumbing Code.
View full Islip rules →Key Facts Comparison
| Fact | Calverton | Islip |
|---|---|---|
| Rain Barrels | Legal, no permit | - |
| Large Cisterns | Permit for 500+ gallons | - |
| Backflow | Required for plumbing connection | - |
| Rebates | Suffolk SWCD periodic programs | - |
| Barrels under 100 gal | - | No permit |
| Cisterns | - | Permit plus backflow |
| Mosquito Rule | - | Tight lids required |
| Use | - | Outdoor/non-potable |
Highlighted rows indicate differences between cities.
Calverton FAQ
Can I use rain barrel water on my vegetable garden?
Yes, for non-potable irrigation use. Do not use for drinking or direct spraying of edible leaves close to harvest.
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.
Compare other topics
See how Calverton and Islip compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool