Importance of High Quality and Exceptional Value Streams

August 10, 2019by ncdea

PENNSYLVANIA, Pike County CD – Since the Clean Water Act of 1972, states have developed their own water quality standards, such as special protection designations for qualifying surface waters (streams and lakes). The purpose is to protect, by law, human and ecological uses such as water supply, recreation, and aquatic habitat.

High Quality (HQ) Waters must meet specific chemistry or biological conditions, if not both. The chemistry standards must include at least one year of water quality data meeting scientific criteria established within Chapter 93 of the PA Code, measuring specific parameters such as dissolved oxygen, temperature and pH (acidity & alkalinity) among others.
For biological conditions to be met, a high quality aquatic community must be supported in that water body.

Source: Importance of High Quality and Exceptional Value Streams – News – News Eagle – Hawley, PA – Hawley, PA

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