How does a crowded swimming area contribute to the levels of human fecal bacteria?
Are the swimmers pooping in the water?
Could there be an alternative explanation?
When the beaches are very busy, I suspect that nearly all of the nearby cottages are also busy with their owners and guests visiting, spending the night and using their toilets.
How good are the septic systems or sewer hook ups?
Could the bacteria counts be elevated by leaking septic from cottages?
How many cottages are on septic vs sewer?
Is it possible to track the pollution back to its source, say, an individual cottage with a problem?
Peeing while swimming is likely.
Pooping while swimming?
Unless it's a beach full of infants, I doubt it.
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