What dirties solar panels in Palmetto
Manatee River and Tampa Bay salt spray
Riviera Dunes and Snead Island sit at the point where the Manatee River widens into Tampa Bay, and homes there see a heavier, steadier salt film than river-adjacent Bradenton properties a few miles upstream.
Marina and boat traffic residue
The Riviera Dunes marina generates fine exhaust particulate that drifts onto nearby rooftops on calm days, adding to the salt film rather than replacing it.
Downtown oak and mulberry litter
Historic Palmetto's older streets are shaded by mature oaks and a scattering of mulberry trees, whose staining fruit drop is messier on a light-colored panel frame than typical leaf litter.
Port Manatee industrial dust
On a northerly wind, homes on the west side of Palmetto pick up a faint dust load from Port Manatee operations a few miles down US-41.