DNR Requests Proposals For Three Brownfield Reuse Planning Projects

Posted on by Coreen Fallat

The Wisconsin Department of Natural Resources (DNR) posted requests for proposals on three brownfield planning projects. The projects are funded through federal Technical Assistance Grants from the U.S. Environmental Protection Agency (EPA).  

Fredonia Brownfield Site Reuse Concept Planning 
The DNR seeks proposals from qualified firms interested in providing consulting services to assist with brownfield redevelopment planning to identify redevelopment opportunities for a 10-acre site in the village of Fredonia, Wisconsin.  

Park Falls Brownfield Site Reuse Concept Planning 
The DNR seeks proposals from qualified firms interested in providing consulting services to assist with brownfield redevelopment planning at a property in Park Falls, Wisconsin.  

Ripon Brownfield Site Reuse Concept Planning 
The DNR seeks proposals from qualified firms interested in providing consulting services to assist with brownfield redevelopment planning for two properties in the city of Ripon, Wisconsin.  

Each project will advance the redevelopment of specific brownfield properties for the benefit of the communities.   

Proposals are due Nov. 9, 2026, by 4 p.m. The RFPs are available on the RR Program Public Notices webpage. 

Request For Proposals: Community Liaison For PFAS In Private Wells – Town Of Peshtigo

Posted on by Coreen Fallat

The Wisconsin Department of Natural Resources is accepting proposals from qualified firms interested in providing consulting services in the town of Peshtigo. The required services include community outreach, private wells testing for per-and polyfluoroalkyl substances (PFAS), technical review of data and support for residents who qualify for a long-term safe drinking water solutions. The DNR intends to award a professional services contract to one qualified firm for this work. 

Interested parties should submit their qualifications and proposals by Nov. 9, 2026.  

The Request for Proposals is available on the RR Program Public Notices webpage. 

Announcing Address Change For Remediation And Redevelopment Program

Posted on by Coreen Fallat

The address for the Remediation and Redevelopment program is changing. As of Oct. 10, 2026 the new address will be 4822 Madison Yards Way, PO Box 7921, Madison, WI 53707-7921.  

The address change is the result of the Wisconsin DNR’s move from its downtown office building to its new location at the Hill Farms state office building located on the west side of Madison. Please note the change will not affect staff member phone numbers. 

Vapor Intrusion Mitigation Training Scheduled For Oct. 22 And Nov. 3

Posted on by Coreen Fallat

The Interstate Technology Regulatory Council (ITRC) will offer online Vapor Intrusion Mitigation training over two sessions on Oct. 22 and Nov. 3, 2026.

The Vapor Intrusion Mitigation training series provides an overview of vapor intrusion mitigation and presents information on the ITRC’s Vapor Intrusion Toolkit, published in January 2026. DNR staff participated in the development of both the technical resources and training. The toolkit is designed for state regulators but also helps environmental consultants and other industry professionals learn about vapor intrusion.

The training covers the topics below presented over two 2-hour sessions:

Session 1 Topics – Oct. 22, 2026 (noon to 2 p.m. CST)

  • Conceptual site models for vapor intrusion mitigation
  • Community engagement
  • Rapid response and ventilation
  • Remediation and institutional controls

Session 2 Topics – Nov. 3, 2026 (noon to 2 p.m. CST)

  • Active mitigation approaches
  • Passive mitigation approaches
  • System verification, operation, maintenance and monitoring (OM&M), curtailment and shutdown

Interested individuals are encouraged to register at the CLU-IN Training & Events webpage. The recorded training will also be available on-demand at the CLU-IN Training Archived Webinars webpage.

Site-specific questions regarding vapor intrusion in Wisconsin should be directed to the assigned DNR Project Manager. General vapor intrusion questions can be directed to the “Vapor Intrusion Contacts” listed on the DNR’s RR Program Staff Contacts website.

Now Available – Guidance: Investigation of Human-made Preferential Pathways Including Utility Corridors (RR-649)

Posted on by Coreen Fallat

Following a public comment period and consideration of the comments received, the publication Guidance: Investigation of Human-made Preferential Pathways Including Utility Corridors (RR-649) is now posted and available online.  

The guidance focuses on vapor migration in utility corridors and explains how other human-made preferential pathways can influence contaminant migration of vapor and groundwater, soil or surface water. The guidance describes methods and options to assess and sample the pathways to meet the requirements of Wis. Admin. Code § NR 716.11(5)(a). 

A virtual training presented by the Wisconsin Department of Natural Resources is scheduled for Sept. 17, 2026. Presenters will review the role of conduits in vapor intrusion and review the updated Guidance: Investigation of Human-made Preferential Pathways Including Utility Corridors (RR-649).  

Conduit Vapor Intrusion: Application of RR-649 and RR-800  
Sept. 17, 2026, 11:30 a.m. to 1 p.m. 
Register to attend by Zoom  

Additional documents and guidance from the Remediation and Redevelopment Program may be found using the search tools available on the publications and forms webpage. 

Comprehensive Vapor Intrusion Training Scheduled For Sept. 8 and Sept. 22, 2026

Posted on by Coreen Fallat

The Interstate Technology Regulatory Council (ITRC) will offer online training on Understanding Vapor Intrusion – Introductory Concepts & Fundamentals on Sept. 8 and Sept. 22, 2026.  

The Understanding Vapor Intrusion training series introduces the concepts and fundamentals of vapor intrusion and presents information on the ITRC’s Vapor Intrusion Toolkit, published in January 2026. DNR staff participated in the development of both the technical resources and training. The toolkit is designed for state regulators but also helps environmental consultants and other industry professionals learn about vapor intrusion. 

The training presents the topics below over two, two-hour sessions. 

Session 1 Topics – Sept. 8, 2026 (noon to 2 p.m. CST) 

  • Vapor intrusion and basic science 
  • Common vapor intrusion scenarios 
  • Introduction to data and decisions 
  • Stakeholder communication 

Session 2 Topics – Sept. 22, 2026 (noon to 2 p.m. CST) 

  • Recap: How vapor intrusion is different 
  • How to assess vapor intrusion 
  • Managing vapor intrusion risk 
  • Closure and exit strategies 

Interested individuals are encouraged to register at the CLU-IN Training & Events webpage. The recorded training will also be available on-demand at the CLU-IN Training Archived Webinars webpage. 

Site-specific questions regarding vapor intrusion in Wisconsin should be directed to the assigned DNR Project Manager. General vapor intrusion questions can be directed to the “Vapor Intrusion Contacts” listed on the DNR’s RR Program Staff Contacts website. 

Reminder – Register To Attend Conduit Vapor Intrusion: Application Of RR-649 And RR-800 On Sept. 17, 2026

Posted on by Coreen Fallat

Register now to attend an upcoming training designed to share information on the role of conduits as a pathway for vapor intrusion. Presenters will go over updates to the publication Guidance: Investigation of Human-made Preferential Pathways Including Utility Corridors (RR-649) and highlight relevant sections for information available in the publication Vapor Intrusion Guidance (RR-800). This session will also offer an opportunity for you to ask questions specific to preferential pathways. 

The training is offered virtually and registration is required. Anyone involved in the investigation, remediation and mitigation of contaminated sites under Wisconsin Statute (Wis. Stat.) ch. 292 and Wisconsin Administrative (Wis. Admin.) Code chs. NR 700 – 799 is encouraged to attend.  

Conduit Vapor Intrusion: Application of RR-649 and RR-800 
Sept. 17, 2026, 11:30 a.m. to 1 p.m.
Register to attend by Zoom 

The training is hosted as part of the RR Program’s Issues & Trends series which provide updates and information from the RR Program on issues related to environmental contamination and cleanup. This session is the final session from the series of trainings hosted in 2026.  

Recordings Available
Recordings of previous presentations and trainings are available in the RR Program’s training library. 

Now Available: Publication Soil Cleanup Standards Guidance (RR-0152)

Posted on by Coreen Fallat

Following a public comment period and consideration of the comments received, the publication Soil Cleanup Standards Guidance (RR-0152) is now posted and available online.  

This publication provides guidance for performing investigation and remediation of sites with contamination under Wisconsin Administrative (Wis. Admin.) Code chs. NR 700 – 799 and Wisconsin Statute (Wis. Stat.) ch. 292. The guidance is intended for responsible parties, property owners, environmental consultants and attorneys involved with the investigation and remediation of soil contamination.   

Soil cleanup standards for soil contamination are established in Wis. Admin. Code ch. NR 720. This guidance describes how to establish and apply soil cleanup standards at a site or facility where a hazardous substance discharge impacted the soil.   

Additional documents and guidance from the Remediation and Redevelopment Program may be found using the search tools available on the publications and forms webpage

Public Input Opportunity – Guidance: Investigation Of Human-Made Preferential Pathways Including Utility Corridors (RR-649)

Posted on by Coreen Fallat

The Remediation and Redevelopment (RR) Program is seeking input on the updated publication Guidance: Investigation of Human-made Preferential Pathways Including Utility Corridors (RR-649). The publication explains how human-made preferential pathways can influence contaminant migration of vapor and groundwater, soil or surface water and includes specific information on vapor migration in utility corridors. The guidance describes methods and options to assess and sample the pathways to meet the requirements of Wis. Admin. Code § NR 716.11(5)(a) and incorporates new information from studies and investigations published since 2021. 

The document can be found at the RR Program’s Public Notices & Guidance webpage under Current Notices. Comments may be submitted through Sept. 7, 2026, to DNRRRGuidance@wisconsin.gov.

Rescheduled: Deep Dive Into Vapor Intrusion – Application Of RR-800 Planned For Aug. 20, 2026

Posted on by Coreen Fallat

Register now to attend the rescheduled training designed to dive deeper into the steps to address a site with vapor intrusion or the potential for vapor intrusion. The session focuses on the publication Vapor Intrusion Guidance (RR-800). The presenters will share scenarios that explain how to investigate the vapor intrusion pathway and explore the considerations and actions needed after vapor intrusion is identified.

The training is offered virtually and registration is required. Anyone involved in the investigation, remediation and mitigation of contaminated sites under Wisconsin Statute (Wis. Stat.) ch. 292 and Wisconsin Administrative (Wis. Admin.) Code chs. NR 700 – 799 is encouraged to attend.

Session Details
Deep Dive into Vapor Intrusion: Application of RR-800
Aug. 20, 2026, 11:30 a.m. to 1 p.m.
Register to attend by Zoom
Note: If you had registered to attend July 16, you need to re-register to receive the new link.

The training is hosted as part of the RR Program’s Issues & Trends series which provide updates and information from the RR Program on issues related to environmental contamination and cleanup.

Additional Session Planned
Conduit Vapor Intrusion: Application of RR-649 and RR-800 
Sept. 17, 2026, 11:30 a.m. to 1 p.m.
Register to attend by Zoom

Recordings Available
Recordings of previous presentations and trainings are available in the RR Program’s training library.