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National Drinking Water Headlines

EPA Designates PFOA and PFOS as CERCLA Hazardous Substances

EPA Designates PFOA and PFOS as CERCLA Hazardous Substances

On April 19, EPA released its final rule on the “Designation of PFOA and PFOS as CERCLA Hazardous Substances.” The...

California Adopts MCL for Hexavalent Chromium

California Adopts MCL for Hexavalent Chromium

California has adopted a new hexavalent chromium (Chromium 6) maximum contaminant level (MCL) of 10 parts per billion (ppb) for...

Register for the Upcoming EPA Small Drinking Water Systems Webinar: PFAS Drinking Water Regulation and Treatment Methods

Register for the Upcoming EPA Small Drinking Water Systems Webinar: PFAS Drinking Water Regulation and Treatment Methods

On April 30 from 2:00-3:30 (Eastern), EPA will continue the Small Drinking Water Systems Webinar Series, hosting a free webinar...

ASDWA 50th SDWA Anniversary Video Series Featuring Mike Baker of Ohio EPA

ASDWA 50th SDWA Anniversary Video Series Featuring Mike Baker of Ohio EPA

ASDWA is thrilled to share the third installment of our continuing video series highlighting success stories from the past 50...

ASDWA’s Newsroom displays published content covering various areas of the drinking water program in a single feed. All of ASDWA’s news content is also available in our newsletter, the ASDWA Update.
Learn more about the ASDWA Update and subscribe to receive daily or weekly notifications of new articles.

ASDWA Reports and White Papers

ASDWA collects data, conducts analysis, and provides policy recommendations to educate decision-makers on the states’ perspective on drinking water issues that impact its members.

Visit ASDWA’s Reports page to view our White Papers and additional Reports.

Hidden Consequences: How Congressionally Directed Spending Impacts State Drinking Water ProgramsBeyond Tight Budgets (December 2018)Costs of States' Transactions Study [CoSTS] (April 2018)ASDWA-ACWA Report on Contaminants of Emerging Concern2019 Analysis of State Drinking Water Programs' Resources and Needs

The Association of State Drinking Water Administrators (ASDWA) is the professional Association serving state drinking water programs. Formed in 1984 to address a growing need for state administrators to have national representation, ASDWA has become a respected voice for state primacy agents with Congress, the United States Environmental Protection Agency (EPA), and other professional organizations.


Our Year in Review

View past editions of ASDWA’s Year in Review on the About ASDWA page.

View ASDWA's 2023 Year in Review

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Organizations Who Work With Us

DBP Webinar Series: Approaches to Prioritize Distribution System Optimization Efforts

Original Broadcast: May 6, 2019

Slide Decks and Supporting Materials:

Reducing Disinfection Byproducts through Optimization – Webinar Series

Series Objective: To share optimization-based tools and approaches for DBP control. Intended audience are states and water systems who are challenged with DBP compliance. Supporting information (special study protocols, spreadsheets) will also be provided.

DBP Optimization Process and Priority Setting [www.asdwa.org/past-webinar-recordings]
Original Broadcast: April 8, 2019 1:30-3:30 ET
Provide an overview of the webinar series, the process for optimizing a system to reduce DBPs, and discuss diagnostic tools used to collect water quality information needed to direct optimization efforts (i.e., starting in the plant or distribution system.

Approaches to Prioritize Plant Optimization Efforts [www.asdwa.org/past-webinar-recordings]
Original Broadcast: April 22, 2019 1:30-3:30 ET
This webinar will discuss the information that is needed to prioritize plant-based DBP control strategies. It will build on the information presented in the first webinar.

Approaches to Prioritize Distribution System Optimization Efforts  [www.asdwa.org/past-webinar-recordings]
Original Broadcast: May 6, 2019 1:30-3:30 ET
This webinar will discuss the information that is needed to identify and prioritize distribution system strategies for reducing DBPs. It will build on the information presented in the first two webinars.

Implementation of DBP Control Strategies [www.asdwa.org/past-webinar-recordings]
Original Broadcast: May 13, 2019 1:30-3:30 ET
This webinar will discuss selecting and implementing the appropriate plant-based and/or distribution system control strategies that water systems might utilize to improve DBP performance, building on the information presented in the first three webinars.