Beach · Horry County · SC

Is MYRTLE BEACH CITY OF safe to swim?

Use caution

Recent heavy rain may have spiked bacteria since the last clear sample.

Updated July 19, 2026 · South Carolina beach program (EPA BEACON)

Recent rain
5.7 in
Water type
Beach
Last updated
Jul 19
Bacteria
E. coli, fecal
Clear to swim
Tested
No advisory
Sampled Jul 19 · state beach program
Blue-green algae
cyanobacteria
Not monitored
Tested
Not monitored

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Know before you get in at MYRTLE BEACH CITY OF.

Get an alert the day a bacteria or algae advisory goes up.

What's in the water at MYRTLE BEACH CITY OF right now

As of July 19, 2026, MYRTLE BEACH CITY OF in Horry County, South Carolina 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 5.7 in, which can wash bacteria and nutrients into the water.

How this read is built

Blue-green algae at MYRTLE BEACH CITY OF

MYRTLE BEACH CITY OF is a lake in Horry County, South 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 MYRTLE BEACH CITY OF

Is it safe to swim in MYRTLE BEACH CITY OF right now?
MYRTLE BEACH CITY OF 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 MYRTLE BEACH CITY OF have blue-green algae (cyanobacteria)?
Blue-green algae are not currently monitored at MYRTLE BEACH CITY OF. Watch for green, blue-green, or paint-like scum and avoid the water if you see it.
Can dogs swim in MYRTLE BEACH CITY OF?
No bloom is detected at MYRTLE BEACH CITY OF 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 South Carolina lakes and beaches have swim advisories today?
Today, 1 South Carolina water is under a swim advisory and 11 more warrant caution, out of 36 monitored waters SwimZone tracks in the state.
How is MYRTLE BEACH CITY OF'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 MYRTLE BEACH CITY OF, and a recent-rainfall overlay, all refreshed daily. It was last updated July 19, 2026.

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