Association of California Water Agencies
UnclaimedIndustry
nonprofit organization management
Staff
62
HQ
980 9th St, Suite 1000, Sacramento, California 95814, US
Phone
+1 916-441-4545
Website
www.acwa.comEngagement overview
Association of California Water Agencies has filed 49 public comments across 39 dockets at 6 federal agencies, most actively at the Environmental Protection Agency.
49
Comments filed
39
Dockets engaged
6
Agencies
Jul 23, 2026
Last filing
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Dockets · EPA (34)
sorted by most recent filingEPARulemakingEPA-HQ-OW-2025-0654
Rescission of Regulatory Determinations and Removal of Related Provisions for Four PFAS Substances (PFHxS, PFNA, HFPO-DA (GenX), and the mixture of these three PFAS plus PFBS)
1 of your filingslast filed Jul 23, 202633 co-filersRIN 2040-AG53
EPARulemakingEPA-HQ-OW-2025-1742
Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels
1 of your filingslast filed Jul 21, 202642 co-filersRIN 2040-AG49
EPARulemakingEPA-HQ-OW-2024-0592
Perchlorate National Primary Drinking Water Regulation
1 of your filingslast filed Mar 10, 202617 co-filers
EPANonrulemakingEPA-HQ-OW-2025-3823
Review of Science on Fluoride in Drinking Water
1 of your filingslast filed Mar 2, 202653 co-filers
EPARulemakingEPA-HQ-OW-2025-0322
Updated Definition of Waters of the United States
1 of your filingslast filed Jan 8, 2026271 co-filersRIN 2040-AG44
EPARulemakingEPA-HQ-OPPT-2020-0549
Reporting and Recordkeeping for Perfluoroalkyl and Polyfluoroalkyl Substances under Section 8(a)(7) of the Toxic Substances Control Act (TSCA)
1 of your filingslast filed Dec 31, 2025112 co-filers
EPANonrulemakingEPA-HQ-OW-2025-0272
Establishment of Public Docket and Listening Sessions on Implementation Challenges Associated with Clean Water Act Section 401
1 of your filingslast filed Aug 7, 202531 co-filers
EPANonrulemakingEPA-HQ-OW-2025-0093
WOTUS Notice: The Final Response to SCOTUS
1 of your filingslast filed Apr 24, 2025124 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0436
Di-isononyl phthalate (DINP) (1,2-Benzene- dicarboxylic acid, 1,2- diisononyl ester); TSCA Review
1 of your filingslast filed Nov 5, 20248 co-filers
EPARulemakingEPA-HQ-OW-2022-0678
Water System Restructuring Assessment Rule
1 of your filingslast filed Jul 30, 202418 co-filers
EPANonrulemakingEPA-HQ-OLEM-2022-0922
Addressing Per- and Polyfluoroalkyl (PFAS) in the Environment
1 of your filingslast filed Jun 15, 202338 co-filers
EPARulemakingEPA-HQ-OW-2022-0114
Per- and polyfluoroalkyl substances (PFAS): Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS) National Primary Drinking Water Regulation Rulemaking
2 of your filingslast filed Jun 1, 2023119 co-filers
EPARulemakingEPA-HQ-OLEM-2019-0341
Designation of Perfluoroctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) as CERCLA Hazardous Substances
2 of your filingslast filed Nov 10, 2022109 co-filers
EPARulemakingEPA-HQ-OW-2021-0602
Revised Definition of “Waters of the United States”
1 of your filingslast filed Feb 9, 2022199 co-filers
EPANonrulemakingEPA-HQ-OW-2021-0328
Pre-proposal Public Meetings and Recommendations Regarding the Definition of “Waters of the United States”
1 of your filingslast filed Sep 7, 2021146 co-filers
EPARulemakingEPA-HQ-OW-2020-0530
Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 5) for Public Water Systems
1 of your filingslast filed May 11, 202115 co-filers
EPANonrulemakingEPA-HQ-OW-2019-0583
Regulatory Determinations for Contaminants on the Fourth Drinking Water Contaminant Candidate List
1 of your filingslast filed Jun 11, 202028 co-filers
EPARulemakingEPA-HQ-OW-2018-0780
National Primary Drinking Water Regulation for Perchlorate
1 of your filingslast filed Sep 3, 201911 co-filers
EPARulemakingEPA-HQ-OW-2018-0149
Revised Definition of “Waters of the United States”
1 of your filingslast filed Apr 16, 2019562 co-filers
EPANonrulemakingEPA-HQ-OW-2018-0063
Clean Water Act Coverage of “Discharges of Pollutants” via a Direct Hydrologic Connection to Surface Water
1 of your filingslast filed May 23, 2018112 co-filers
EPANonrulemakingEPA-HQ-OW-2017-0480
Definition of “Waters of the United States” – Pre-Proposal Outreach Comments
1 of your filingslast filed Nov 30, 201799 co-filers
EPARulemakingEPA-HQ-OW-2017-0203
Definition of “Waters of the United States” – Recodification of Pre-Existing Rules
1 of your filingslast filed Oct 12, 2017431 co-filers
EPARulemakingEPA-HQ-OW-2011-0880
Definition of "Waters of the United States" Under the Clean Water Act
3 of your filingslast filed Nov 14, 2014961 co-filers
EPANonrulemakingEPA-HQ-OA-2013-0582
Public Comments for the Science Advisory Board Review of EPA’s Water Body Connectivity Report
2 of your filingslast filed Mar 13, 2014118 co-filers
EPANonrulemakingEPA-HQ-OW-2011-0141
NPDES - Reissuance of the Vessel General Permit for Discharges Incidental to the Normal Operation of Vessels (VGP)
1 of your filingslast filed Feb 23, 201254 co-filers
EPANonrulemakingEPA-HQ-OW-2011-0409
Draft Guidance on Identifying Waters Protected by the Clean Water Act
1 of your filingslast filed Jul 26, 2011261 co-filers
EPANonrulemakingEPA-HQ-OA-2011-0154
Improving Regulations: Water
1 of your filingslast filed Apr 4, 201135 co-filers
EPANonrulemakingEPA-HQ-ORD-2010-0540
Draft Toxicological Review of Chromium: In Support of Summary Information on the Integrated Risk Information System (IRIS)
1 of your filingslast filed Jan 3, 201113 co-filers
EPARulemakingEPA-HQ-OW-2008-0878
Revised Total Coliform Rule
1 of your filingslast filed Oct 15, 201020 co-filers
EPANonrulemakingEPA-HQ-ORD-2009-0816
A Framework for Categorizing the relative Vulnerability of Threatened and Endangered Species to Climate Change
1 of your filingslast filed Dec 30, 200913 co-filers
EPANonrulemakingEPA-HQ-OW-2009-0297
Drinking Water: Perchlorate Supplemental Request for Comments
1 of your filingslast filed Sep 21, 200922 co-filers
EPARulemakingEPA-HQ-OW-2006-0141
National Pollutant Discharge Elimination System (NPDES) Water Transfers Rule
2 of your filingslast filed Aug 9, 200653 co-filers
EPARulemakingEPA-HQ-OW-2002-0043
National Primary Drinking Water Regulations: Stage 2 Disinfectants and Disinfection Byproducts Rule; National Primary and Secondary Drinking Water Regulations: Approval of Analytical Methods for Chemical Contaminants
3 of your filingslast filed Jan 16, 200456 co-filers
EPARulemakingEPA-HQ-OW-2002-0039
National Primary Drinking Water Regulations: Long Term 2 Enhanced Surface Water Treatment Rule
3 of your filingslast filed Jan 9, 200463 co-filers
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