Beach · Brunswick County · NC
Is 20th Place West in Oak Island safe to swim?
No advisory or algae bloom reported for this water today.
Updated July 19, 2026 · North Carolina beach program (EPA BEACON)
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What's in the water at 20th Place West in Oak Island right now
As of July 19, 2026, 20th Place West in Oak Island in Brunswick County, North Carolina is clear to swim. 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 0.4 in, which can wash bacteria and nutrients into the water.
Blue-green algae at 20th Place West in Oak Island
20th Place West in Oak Island is a lake in Brunswick County, North Carolina. 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 20th Place West in Oak Island
- Is it safe to swim in 20th Place West in Oak Island right now?
- 20th Place West in Oak Island is clear to swim 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 20th Place West in Oak Island have blue-green algae (cyanobacteria)?
- Blue-green algae are not currently monitored at 20th Place West in Oak Island. Watch for green, blue-green, or paint-like scum and avoid the water if you see it.
- Can dogs swim in 20th Place West in Oak Island?
- No bloom is detected at 20th Place West in Oak Island 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 North Carolina lakes and beaches have swim advisories today?
- Today, 13 North Carolina waters are under a swim advisory and 113 more warrant caution, out of 255 monitored waters SwimZone tracks in the state.
- How is 20th Place West in Oak Island'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 20th Place West in Oak Island, and a recent-rainfall overlay, all refreshed daily. It was last updated July 19, 2026.