In recent years, federal, state, and international authorities have established various health-based regulatory values and evaluation criteria for a number of specific per- and polyfluoroalkyl substances (PFAS) in response to…
Chemicals & Emerging Contaminants
Virginia Coordinates PFAS Response in Watershed, Offers Story Map on Effort
In 2021, Newport News Waterworks alerted the Virginia Department of Quality (DEQ) to elevated PFAS concentrations in the Middle Chickahominy River watershed. In response, DEQ, the Virginia Department of Health,…
ECOS, ACWA, ASDWA, & ASTSWMO Joint Letter on Changes to PFAS Reporting Requirements
ECOS, ACWA, ASDWA, and ASTSWMO commented on U.S. EPA’s proposed rule on Changes to Reporting Requirements: Per- and Polyfluoroalkyl Substances and to Supplier Notifications for Chemicals of Special Concern; Community…
Press Statement on ECOS Reports: PFAS in Biosolids and State Research Needs
This press release announces two major reports highlighting state enviornmental initiatives. The first identifies state efforts and opportunities for action on PFAS in biosolids, and the second details the results…
PFAS in Biosolids: A Review of State Efforts & Opportunities for Action
For years, states have been actively working to address per- and polyfluoroalkyl substances (PFAS) contamination in a variety of environmental media. One recent challenge is the management of solids, which…
Hawaii Updates PFAS Environmental Action Levels
The Hawaii Department of Health (HDOH) in December updated its PFAS Environmental Action Levels (EALs). The updates include adding soil and groundwater action levels for 6:2 Fluorotelomer sulfonate (an action…
Pennsylvania Sets PFAS Maximum Contaminant Level
Pennsylvania on January 14 published its final Maximum Contaminant Level (MCL) rule, setting limits of 14 parts per trillion (ppt) for PFOA and 18 ppt for PFOS in drinking water.…
Arizona Pilots Innovative Program on PFAS Firefighting Foam
The Arizona Department of Environmental Quality (ADEQ) announced this week its launch of a “take-back and replace” pilot program to assist select fire departments by removing, disposing of, and replacing…
Press Statement on PFAS in Biosolids
This press statement announces ECOS’ efforts to survey its members on state legislative and regulatory landscapes, monitoring and treatment processes, testing and analysis protocols, and risk communication needs as they…
Arizona to Test Every Public Water System for PFAS
The Arizona Department of Environmental Quality has announced an agreement with the Water Infrastructure Finance Authority of Arizona (WIFA) to direct $3M of Drinking Water State Revolving Funds (SRF) to…
