Reference condition
Other /More definition:
A Reference Condition is set of selected measurements or conditions of unimpaired or minimally impaired waterbodies Characteristic of a waterbody type in a region.
Other /More definition:
A reference condition is the chemical, physical, or biological quality or condition exhibited at either a single site or an aggregation of sites that represent the least impared or reasonably attainable condition at the least impared reference sites.
Other /More definition:
A Reference Condition is Set of selected measurements or conditions of minimally impaired waterbodies Characteristic of a waterbody type in a region.