Feature Pages on Environmental Factors
Most of these features were first published in the park's newsletter, Spanning the Gap, (STG). For related pages in this website, look up the feature by year under:
Did You Know?
... that the Middle Delaware River exceeds ordinary federal standards for clean water. Because of this, special higher standards have been set for the river, so it does not "deteriorate" to being just "clean enough." The river in this park is, and will remain, truly "cleaner than clean." More...