HomeMy WebLinkAbout05-18-23 Correspondence - MT DEQ - Comment Period for Water Quality Standards DE
Montana Department
of Environmental Quality
May 12, 2023
Dear Interested Party,
The Montana Water Quality Act and Federal Clean Water Act require the State of Montana at least
every three years to review and, as appropriate, modify adopted standards of water quality. In 2023,the
Department of Environmental Quality(Department) is opening a public comment period and holding a
public hearing for the purpose of reviewing Montana's water quality standards.
Montana's water quality standards include the Administrative Rules of Montana Title 17, Chapter 30,
subchapters 5 (mixing zones), 6(water quality standards), 7 (nondegradation), and 10(groundwater
protection), and Department Circulars DEQ-7 and DEQ-12A.
Beginning on May 12, 2023,the Department is soliciting comments from all interested persons
regarding potential revision to any aspect of Montana's water quality standards. You are invited to
submit data,views, or arguments concerning water quality standards orally or in writing. Comments
should identify the water quality standard at issue, any suggested revision to the standard, and the basis
for the suggested revision, including technical information.
On June 28, 2023,the Department will hold a public hearing to hear comments on water quality
standards at 11:00 am in room 111 of the Metcalf Building at 1520 E 6th Avenue, Helena, Montana.
More information, including instructions for attending the public hearing remotely via Zoom, is available
on the Department website at https://deg.mt.gov/public/publicmeetings. Data,views,or arguments
may be submitted in writing no later than 5:00 pm on June 28, 2023,online at
https://deg.mt.gov/public/publiccomment, by email to declwgtriennialreview@mt.gov,or by mail to
Katie Makarowski; Department of Environmental Quality, P.O. Box 200901, Helena, Montana, 59620-
0901.
The Department will make reasonable accommodation for persons with disabilities who wish to
participate in this public hearing or need an alternative accessible format for this notice. If you require
accommodation, please advise the Department of the nature of the accommodation that you need no
later than 5:00 p.m.,June 19, 2023, by contacting Katie Makarowski at Department of Environmental
Quality, P.O. Box 200901, Helena, Montana 59620-0901; phone(406)444-2639; or email
kmkarowski@mt.gov.
We thank you for your interest in Montana's water quality standards.
Sincerely,
4��
Katie Makarowski
Standards and Modeling Section Supervisor
(406)444-3639
kmkarowski@mt.gov
Greg Gianforte,Governor I Chris Dorrington,Director I P.O.Box 200901 1 Helena,MT 59620-0901 1(406)444-2544 1 www.deq.mt.gov