March 12, 2021
BOISE — The Idaho Department of Environmental Quality (DEQ) is seeking comment on the 2020 Nitrate Priority Area Delineation and Ranking Process report.
The report outlines the techniques used to evaluate and rank Idaho’s 35 nitrate priority areas in order to help federal, state, and local agencies prioritize ground water protection and remediation activities.
Nitrate is the most widespread ground water contaminant in Idaho and is commonly found in public water supply systems. Nitrate priority areas were developed to identify aquifers with ground water quality degradation due to nitrate so resources could be directed to those areas to help protect public health.
In 2020, DEQ and the Idaho Ground Water Monitoring Technical Committee revised the list of nitrate priority areas using data collected from 1990 through 2016. The re-evaluation process is designed to use more recent data to assess ground water quality changes in the existing nitrate priority areas and identify new areas with nitrate-degraded ground water.
The 2020 Nitrate Priority Area Delineation and Ranking Process report is available for public review at DEQ’s State Office (1410 N. Hilton St.) and on DEQ’s website.
Written comments on the report will be accepted through April 13, 2021, at 5 p.m. MST. Submit comments electronically on DEQ’s Public Comments page or by mail or email to:
Ground Water Coordinator
1410 N. Hilton
Boise, ID 83706
2020 Nitrate Priority Area Delineation and Ranking Process