State of Wisconsin
Categorical Exclusion Checklist (CEC) / Guidance October 16, 2025
5-22-2025 CEC Showcase - Recording
Environmental Report and Environmental Assessment Template / Guidance September 30, 2025
Environmental Document Availability and Hearing Summary Template / Guidance
Re-Evaluation and Supplemental Analysis Template May 26, 2026
Re-Evaluation memo template, Northern Long-Eared Bat uplisting July 17, 2025
Categorical Exclusion for Excess Parcel Sales guidance August 20, 2025
Administrative rules environmental document template
Risk Based Environmental Scoping Template April 14, 2026
Planning and Environmental Linkages (PEL) Policy Paper (WisDOT led projects)July 23, 2025
Acronyms List August 14, 2025
Appropriate Attachments and Appendices for Environmental Documents
Emergency Project Environmental Guidance
Relocation Questionnaire and Template Letter
Guidance documents are available in alternative text color upon request.
Aesthetics / Guidance
Agriculture / Guidance
Air Quality / Guidance
Business and Economics / Guidance
Community / Guidance
Construction Sound Quality / Guidance
Demographics / Guidance
Erosion Control / Guidance
Floodplains / Guidance
Groundwater, Wells and Springs / Guidance
Hazardous Substances, Contamination and Asbestos / Guidance
Historic Properties / Guidance
Other / Guidance
Relocations / Guidance
Section 4(f) / GuidanceDecember 19, 2025
Section 6(f) or Other Unique Properties / Guidance
Stormwater / Guidance
Surface Waters / Guidance
Threatened, Endangered and Protected Resources / Guidance
Traffic Noise / Guidance
Wetlands / Guidance
Programmatic Agreement Between FHWA-Wisconsin Division and WisDOT Regarding the Processing of Actions Classified as Categorical Exclusions for Federal-Aid Highway Projects July 31, 2025
FHWA Process Initiation Letter (PIL) Template (on WisDOT Letterhead)
A Finding of de Minimis Impact is now completed as a part of the Section 4(f) Factor Sheet.
FHWA Section 4(f) Policy Paper
FHWA Website
FHWA Planning, Environment and Realty
FHWA Environmental Review Toolkit
23 C.F.R. Part 771 - Environmental Impact and Related Procedures
WisDOT Tribal Affairs
WisDOT Cultural Resources
Native American Lands of Interest Scoping Determination Template
Bureau of Indian Affairs - Great Lakes Agency
Bureau of Indian Affairs Native American Lands Map
Delegated DNR Design Concurrence TemplateNovember 3, 2025
Request for DNR Initial Review or Final Concurrence Letter TemplateOctober 28, 2025
2026 DOT-DNR Cooperative Agreement
Attachment A1- 1994 Memorandum of Understanding on Erosion Control and Stormwater
Attachment A2- 1994 Memorandum of Understanding on Erosion Control and Stormwater WPDES Agreement for DOT Construction Activities
Attachment A3- 1998 Memorandum of Understanding on Endangered and Threatened Species
Attachment A4- 1999 Memorandum of Understanding Relating to the Authorization of Stormwater Discharges to Waters of the State of Wisconsin
1990 Agreement between DOT and DNR for Visual Impact on Lower Wisconsin State Riverway
2021 Aquatic Connectivity Attachment to the DOT-DNR Cooperative Agreement
2022 Delegated DNR Design Concurrence Attachment to the DOT-DNR Cooperative Agreement
2023 Memorandum of Understanding for Regulation of Salt Storage Facilities
2024 Memorandum of Understanding Regarding Design-Build Coordination January 10, 2025
2025 Memorandum of Understanding on Compensatory Mitigation for Unavoidable Wetland Losses Resulting from State Transportation Activities August 20, 2025
2025 Memorandum of Understanding Between USACOE, WisDOT, WDNR regarding Wisconsin Department of Transportation Banks Approved Prior to the Publication of 33 CFR part 332 in the Federal Register September 2, 2025
2025 Memorandum of Understanding between WDNR and WisDOT for coordination of maintenance activities October 2, 2025
2025 Memorandum of Understanding between WDNR and WisDOT on Floodplain Encroachments and Waterway CrossingsNovember 4, 2025
Floodplain landowner coordination lettersFebruary 23, 2026
Floodplain impact notification letter to zoning administrators template June 12, 2026Attachment 1 DNR DOT maintenance coordination form October 2, 2025
2023 DOT-DATCP Memorandum of Agreement
Agricultural Impact Notice Form (link to DATCP site)