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Stream Water Quality Model

Published by U.S. Environmental Protection Agency, Region 4 | U.S. Environmental Protection Agency | Metadata Last Checked: July 09, 2025 | Last Modified: 2014-01-01
QUAL2K (or Q2K) is a river and stream water quality model that is intended to represent a modernized version of the QUAL2E (or Q2E) model (Brown and Barnwell 1987).

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