Beach · Grand Traverse County · MI
Is Rose Street Access at Peninsula Drive safe to swim?
Recent heavy rain may have spiked bacteria since the last clear sample.
Updated July 19, 2026 · Michigan beach program (EPA BEACON)
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What's in the water at Rose Street Access at Peninsula Drive right now
As of July 19, 2026, Rose Street Access at Peninsula Drive in Grand Traverse County, Michigan 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 1.7 in, which can wash bacteria and nutrients into the water.
Blue-green algae at Rose Street Access at Peninsula Drive
Rose Street Access at Peninsula Drive is a lake in Grand Traverse County, Michigan. 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 Rose Street Access at Peninsula Drive
- Is it safe to swim in Rose Street Access at Peninsula Drive right now?
- Rose Street Access at Peninsula Drive 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 Rose Street Access at Peninsula Drive have blue-green algae (cyanobacteria)?
- Blue-green algae are not currently monitored at Rose Street Access at Peninsula Drive. Watch for green, blue-green, or paint-like scum and avoid the water if you see it.
- Can dogs swim in Rose Street Access at Peninsula Drive?
- No bloom is detected at Rose Street Access at Peninsula Drive 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 Michigan lakes and beaches have swim advisories today?
- Today, 47 Michigan waters are under a swim advisory and 120 more warrant caution, out of 882 monitored waters SwimZone tracks in the state.
- How is Rose Street Access at Peninsula Drive'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 Rose Street Access at Peninsula Drive, and a recent-rainfall overlay, all refreshed daily. It was last updated July 19, 2026.