Beach · Nassau County · NY
Is NICKERSON BEACH - EAST TERRACE safe to swim?
Recent heavy rain may have spiked bacteria since the last clear sample.
Updated July 19, 2026 · New York beach program (EPA BEACON)
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Know before you get in at NICKERSON BEACH - EAST TERRACE.
Get an alert the day a bacteria or algae advisory goes up.
What's in the water at NICKERSON BEACH - EAST TERRACE right now
As of July 19, 2026, NICKERSON BEACH - EAST TERRACE in Nassau County, New York carries a swim caution. Blue-green algae are not currently monitored at this water. No fecal-bacteria advisory is posted (state beach program). Rainfall over the past week totaled 3.0 in, which can wash bacteria and nutrients into the water.
Blue-green algae at NICKERSON BEACH - EAST TERRACE
NICKERSON BEACH - EAST TERRACE is a lake in Nassau County, New York. Blue-green algae are not currently monitored at this water.
Blue-green algae (cyanobacteria) blooms are most common from midsummer into early fall, when the water is warm, calm, and rich in nutrients from runoff. They can produce toxins that make people sick and can be rapidly fatal to dogs, so skip water that looks green, scummy, or like spilled paint, and keep children and pets out of it.
Frequently asked: swimming in NICKERSON BEACH - EAST TERRACE
- Is it safe to swim in NICKERSON BEACH - EAST TERRACE right now?
- NICKERSON BEACH - EAST TERRACE carries a swim caution today. Blue-green algae are not currently monitored at this water. Conditions can change quickly with wind, heat, and rain, so check the posted signs and look at the water before you get in.
- Does NICKERSON BEACH - EAST TERRACE have blue-green algae (cyanobacteria)?
- Blue-green algae are not currently monitored at NICKERSON BEACH - EAST TERRACE. Watch for green, blue-green, or paint-like scum and avoid the water if you see it.
- Can dogs swim in NICKERSON BEACH - EAST TERRACE?
- No bloom is detected at NICKERSON BEACH - EAST TERRACE today, but dogs are much more vulnerable to blue-green algae than people, and blooms can form within hours. Always keep dogs away from water that looks green, scummy, or discolored, and rinse them off after swimming.
- How many New York lakes and beaches have swim advisories today?
- Today, 19 New York waters are under a swim advisory and 148 more warrant caution, out of 520 monitored waters SwimZone tracks in the state.
- How is NICKERSON BEACH - EAST TERRACE's water quality measured?
- SwimZone builds this read from EPA CyAN satellite imagery for blue-green algae, official beach and fecal-bacteria advisories where a program monitors NICKERSON BEACH - EAST TERRACE, and a recent-rainfall overlay, all refreshed daily. It was last updated July 19, 2026.