Where was the Sleepaway Camp film series filmed?

The Sleepaway Camp film series has 5 titles (1983 to 2008). Wikidata records no filming place for them; Wikipedia names Atlanta, Washington County, Warren County, Glens Falls, Bremen and 4 more places. Every place links to its source.

The productions, in order

Named in Wikipedia's own articles

Places named only in the titles’ Wikipedia articles.