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Association of Clean Water Administrators

Association of Clean Water Administrators

The Voice of States & Interstates since 1961

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Home > Monitoring, Standards and Assessment

Monitoring, Standards and Assessment

2025 Water Quality Standards Workshop – Final Agenda and Meeting Materials

Posted: December 17, 2024

2025 Water Quality Standards Workshop – Final Agenda and Meeting Materials

2024 Water Quality Standards Workshop – Presentations and Related Documents

Posted: April 30, 2024

2024 Water Quality Standards Workshop – Presentations and Related Documents

ACWA Comments on 304(a) PFAS Criteria

Posted: July 15, 2022

On this page: (1) June 29, 2022 ACWA comments on the Draft Ambient Water Quality Criteria Recommendations for PFOA and PFOS. ACWA noted their general support for development of these… Read More »

WQS Decision Memoranda Issued by EPA

Posted: February 11, 2022

On this page: Key memos issued by EPA leadership regarding WQS approvals and disapproval decisions under CWA Section 303(c).

Associations Letters on PFAS Reporting Under TSCA

Posted: September 28, 2021

ACWA, ASDWA, ECOS Provided Comments in September, 2021 in Response to EPA’s Proposed Rule, “PFAS Reporting and Recordkeeping Requirements under TSCA Section 8(a)”

Associations Letter on National Emerging Contaminant Research Initiative (NECRI)

Posted: June 25, 2021

Joint comments to the National Institute of Environmental Health Sciences on the nascent National CEC Research Initiative (NECRI).

PFAS Effluent Limitations Guidelines and Standards: Organic Chemicals, Plastics and Synthetic Fibers Point Source Category Rulemaking

Posted: May 19, 2021

Joint comments from state associations related to EPA’s rulemaking on PFAS industrial discharges under CWA.

ACWA Comments on Numeric Nutrient Criteria for Lakes and Reservoirs (LNNC)

Posted: June 26, 2020

ACWA and ASDWA’s substantive comments on the “Draft Ambient Water Quality Criteria Recommendations for Lakes and Reservoirs of the Conterminous United States: Information Supporting the Development of Numeric Nutrient Criteria” (Draft LNNC)

Association Comment Letters on Listing PFAS in the Toxics Release Inventory

Posted: February 5, 2020

In February 2020, ACWA jointly submitted comments with ASDWA and ECOS in response to EPA’s ANPRM, “Addition of Certain Per- and Polyfluoroalkyl Substances; Community Right-to-Know Toxic Chemical Release Reporting (Docket… Read More »

ACWA Weekly Wrap Vol. XI, Issue 1 (Week of January 6, 2020)

Posted: January 10, 2020

News WGA Policy Resolution on Federal State Relationship The Western Governors’ Association recently approved several policy resolutions, including a resolution focused on the Federal-State relationship, during its winter meeting in… Read More »

Recommendations Report for Contaminants of Emerging Concern

Posted: May 20, 2019

A group of subject matter experts from ACWA and ASDWA developed the following recommendations across five action areas to address contaminants of emerging concern: Establish a national priority framework and… Read More »

ACWA Weekly Wrap Vol. X, Issue 12 (Week of April 1, 2019)

Posted: April 5, 2019

News ACWA, ECOS, ASDWA & ASTSWMO Comment on National PFAS Action Plan ACWA joined with ECOS, ASDWA and ASTSWMO in sending comments to Administrator Wheeler on the recently released agency… Read More »

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Weekly Wrap

  • ACWA Weekly Wrap Vol. XVI, Issue 14 (Week of May 5, 2025)

    May 9, 2025
  • ACWA Weekly Wrap Vol. XVI, Issue 13 (Week of April 28, 2025)

    May 2, 2025

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The Association of Clean Water Administrators

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Washington, DC 20006

Phone: (202) 756-0605
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