NCPI Workmark
Articles in regional publications that pertain to a wide range of North Carolina-related topics.

Operational Water Quality Standards

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Effective water quality management is built on a foundation of water quality standards that are expressed in a manner that makes compliance assessment clear and unambiguous. Most surface water quality standards in North Carolina are based on a chemical criterion value and used to determine if a waterbody is compliant. This article gives an overview of the state’s standards and total maximum daily load (TMDL) program.