Sep 17, 2025 · This water quality criteria table has all current national recommended water quality criteria and links to relevant documents

This table contains the most up to date criteria for aquatic life ambient water quality criteria.

U.S. EPA defines a water quality standard to include the criteria, the designated (best) uses of the water, and an antidegradation policy.

Jul 30, 2025 · In this guide, we provide comparison charts, water quality conversion charts, USP and ASTM water quality standard parameters. You can also download the charts used in this …

Explore AWWA’s water industry standards. As technologies evolve, AWWA Standards are a trusted resource that reflect the state of the industry.

Sep 3, 2020 · EPA's compilation of national recommended water quality criteria is presented as a summary table containing recommended water quality criteria for the protection of aquatic life …

Jul 21, 2025 · Table listing criteria for chemical concentration goals to protect surface water for aquatic life use.