Triennial Review Archives

​Maryland’s 2016 Triennial Review of Water Quality Standards

A brief summary of the proposed changes on Maryland’s Triennial Review of Water Quality Standards (TR) can be accessed by clicking here. To see more detail on the proposed regulatory changes please click here.
MDE published a notice of proposed action in the May 26, 2017 issue of the Maryland Register. This marked the beginning of the public comment period that ended on July 10, 2017 (please note that the public comment period was extended). During this public comment period MDE held a public hearing on June 13th in Baltimore to present on the proposed changes and to answer questions. A recording of that hearing is available by clicking the first link below and the presentation can be accessed through the second link below.
Other materials, relating to the proposed removal of Tier II segments, were requested by attendees of the hearing and are provided in the three bullets below.   
After considering and addressing all comments received on this Triennial Review, the final set of regulations will be submitted to the Division of State Documents for promulgation. This action is anticipated for December 2017.
Questions may be directed in writing to Timothy Fox at

Maryland’s 2013 Triennial Review of Water Quality Standards

On April 2, 2014, the Secretary of the Environment adopted amendments to the water quality standards regulations. These amendments were proposed in the December 13, 2013 edition of the Maryland Register (40:20 Md. R.). Final action on the regulations was published in the April 18 edition of the Maryland Register. Click here: Maryland Register Online. Comments specific to this proposal were received and have been addressed in a comment/response document. To see a list of those waters which had their Use Classes changed in the regulations, please click on the following link.