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New Hampshire Department of Environmental Services

Wetlands Bureau Rulemaking and Process Improvement Effort
fresh water wetland The New Hampshire Department of Environmental Services (NHDES) has been engaged in a significant, multi-year initiative to improve the technical review standards as well as the operation and decision-making processes used by the NHDES Wetlands Bureau (referred to as the "Wetlands Program Rule Making and Process Improvement Effort").

Current Status

After holding a public hearing on November 8, 2019, NHDES has filed the Final Proposed Rules Env-Wt 100 various sections, Env-Wt 300-600 & 900 various sections and paragraphs. JLCAR review is anticipated at meeting scheduled for December 19, 2019. FINAL PROPOSALS are posted on the Proposed Rules webpage.

Additionally, NHDES has proposed further amendments to Env-Wt 300, 500, & 600 (OLS Notice Number 2019-201) and the NHDES public hearing will be held on Thursday, December 12, 2019, 10 AM; Rooms 110-111, NHDES Offices, 29 Hazen Drive, Concord, NH. Written public comments may be submitted regardless of whether you attend the public hearing. The deadline for submitting written comments is 4 PM on Friday, December 20, 2019. If you have any questions about the new wetlands rules, their proposed amendments, or the process, please contact Wetlands Bureau Assistant Administrator Mary Ann Tilton at (603) 271-2929 or

Initial and Final Proposed Rule Changes
Please check this page often for notices of planned outreach events.

Recently Adopted Rules

Recent Presentations

General Training - 9/26/2019

Coastal Training - 9/26/2019

Project-Specific Training - 10/16/2019

Best Management Practices (BMP) Manuals

NHDES Wetlands Permit Planning Tool



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NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

copyright 2017. State of New Hampshire