Regulatory Update At-A-Glance

A quick look at major water-related regulations under development at EPA.

Updated: 
July 29, 2017
Regulation: 
Carcinogenic Volatile Organic Compounds (VOCs)
Proposal: 
November 2018 (projected)
Final: 
May 2019 (projected)
Notes: 
On February 2, 2011, EPA announced plans to develop a single National Drinking Water Regulation (NPDWR) covering up to 16 carcinogenic VOCs. EPA is conducting evaluations and developing supporting materials to support a regulatory proposal.
Regulation: 
Clean Water Rule
Proposal: 
April 21, 2014
Final: 
June 29, 2015
Notes: 
A February 28, 2017 Executive Order directs EPA and the Army Corps to review the Clean Water Act and make a proposal for rescinding or revising the rule.
Regulation: 
Definition of "Waters of the United States"
Proposal: 
December 2017
Final: 
TBD
Notes: 
Proposal for revising/replacing the Clean Water Rule.
Regulation: 
Lead and Copper Rule (LCR): Regulatory Revisions
Proposal: 
January 2018 (projected)
Final: 
July 2019 (projected)
Notes: 
EPA is developing proposed regulatory revisions and supporting materials taking into consideration recommendations of the National Drinking Water Advisory Council (NDWAC) and lessons learned from recent events in Flint, MI.
Regulation: 
Perchlorate
Proposal: 
October 31, 2018 (per consent decree)
Final: 
December 19, 2019 (per consent decree)
Notes: 
An October 18, 2016 consent decree set deadlines for EPA to propose and finalize a perchlorate drinking water regulation.
Regulation: 
Finished Water Storage Facility Inspection Requirements Addendum to the Revised Total Coliform Rule
Proposal: 
December 2018 (projected)
Final: 
TBD
Notes: 
EPA is evaluating options for a potential regulation and/or additional guidance.
Regulation: 
Fourth Unregulated Contaminant Monitoring Rule (UCMR4)
Proposal: 
December 11, 2015
Final: 
December 20, 2016
Notes: 
The final UCMR4 was published in the Federal Register on December 20, 2016.
Regulation: 
Strontium
Proposal: 
January 4, 2016 (announcement of delayed final deterimination)
Final: 
TBD
Notes: 
EPA issued a preliminary positive regulatory determination for strontium in drinking water on October 20, 2014. On January 4, 2016, EPA announced that it would be delaying a final regulatory determination for strontium pending further study. The projected timeline for making a final determination is unclear at this time.
Regulation: 
Regulations Implementing Section 1417 of the Safe Drinking Water Act: Prohibition on Use of Lead Pipes, Solder, and Flux
Proposal: 
January 17, 2017
Final: 
February 2018 (projected)
Notes: 
The proposed rule codifying requirements set forth in the 2011 Reduction of Lead in Drinking Water Act was published in the Federal Register on January 17, 2017.