Good points, ITD. Some thoughts about septics. Especially around lakes with old camps that have been upgraded to year round use: septics around lakes don't (visibly) fail the way they do in a subdivision, they leach into the lake. When an old camp passes within the family, there is likely no inspection, dye test, etc.
We think mostly about waterfront and the 250' buffer. In many instances, a septic failure up gradient may fail and leach into the lake, traversing over the road and down gradient property. Same with other road and land chemicals. We don't talk about it much, but slope and type of soil as well as the characteristics of the water shed/table play a big part in how chemicals move into our lakes. At least we're not dumping stuff intro the lake by the barrelful the way we did 100 years ago.
Talk earlier about gov't rules, but recall it was the US EPA that "forced" us into MtBE, which ended up contaminating drinking water all over the country, in (misguided?) attempts to clean up the air.
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