Beach · St. Mary's County · MD
Is Point Lookout State Park safe to swim?
Recent heavy rain may have spiked bacteria since the last clear sample.
Updated July 19, 2026 · Maryland beach program (EPA BEACON)
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What's in the water at Point Lookout State Park right now
As of July 19, 2026, Point Lookout State Park in St. Mary's County, Maryland 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 1.4 in, which can wash bacteria and nutrients into the water.
Blue-green algae at Point Lookout State Park
Point Lookout State Park is a lake in St. Mary's County, Maryland. 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 Point Lookout State Park
- Is it safe to swim in Point Lookout State Park right now?
- Point Lookout State Park 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 Point Lookout State Park have blue-green algae (cyanobacteria)?
- Blue-green algae are not currently monitored at Point Lookout State Park. Watch for green, blue-green, or paint-like scum and avoid the water if you see it.
- Can dogs swim in Point Lookout State Park?
- No bloom is detected at Point Lookout State Park 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 Maryland lakes and beaches have swim advisories today?
- Today, 0 Maryland waters are under a swim advisory and 10 more warrant caution, out of 66 monitored waters SwimZone tracks in the state.
- How is Point Lookout State Park'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 Point Lookout State Park, and a recent-rainfall overlay, all refreshed daily. It was last updated July 19, 2026.