2025 Water Quality Standards Workshop – Final Agenda and Meeting Materials
Monitoring, Standards and Assessment Committee
2024 Water Quality Standards Workshop – Presentations and Related Documents
2024 Water Quality Standards Workshop – Presentations and Related Documents
ACWA Comments on 304(a) PFAS Criteria
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
On this page: Key memos issued by EPA leadership regarding WQS approvals and disapproval decisions under CWA Section 303(c).
ACWA Comments on Preliminary ELG Plan 15
Comments ACWA submitted to EPA regarding EPA’s Preliminary Effluent Guidelines Program Plan 15 (Preliminary Plan 15).
Montana’s Nutrients Variance: 9th Circuit Opinion
Ruling: Upper Missouri Waterkeeper v. EPA – Ninth Circuit Opinion, 10.7.2021
Associations Letters on PFAS Reporting Under TSCA
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)
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
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)
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
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 »
Association Comment Letter on EPA PFAS Action Plan
ECOS, ACWA, and ASDWA, and ASTSWMO, shared comments on the EPA PFAS Action Plan with Administrator Wheeler outlining their concerns with the Action Plan.
