Documents and Resources
Keep up with Information about the Site
The Multistate Environmental Response Trust (Multistate Trust) is committed to making project information about the Caselton Mine Area and Mill Site (Site) easily available to the public. This page serves as a document repository to increase community and stakeholder awareness about investigations and cleanup activities.
Key Environmental Documents
Operable Unit 1 (OU1) – Treasure Hill
OU-1 Tank Road Property Time-Critical Removal Action Pre-Design Investigation Summary, February 2023
Feasibility Study Report for OU-1 Treasure Hill, April 2018
Risk-Based Concentrations for OU-1 Workers Technical Memo, December 2017
OU-1 Residential Yard Sampling and Human Health Risk Assessment, March 2017
Treasure Hill (OU-1) Stormwater Runoff Analysis Technical Memo, January 2016
Remedial Investigation Report, Operable Units 1 and 2, December 2015
Operable Unit 2 (OU2) – Caselton Heights Residential Yard Soils
Remedial Investigation Report, Operable Units 1 and 2, December 2015
Operable Unit 4 (OU4) – Caselton Mill Site and Adjacent Tailings
Operable Unit 5 (OU5) – Caselton Wash Tailings
Budget Documents
Budget documents for the Caselton Site can be found on the Multistate Trust’s website.
Fact Sheets and Notices
Community Meeting Presentations
Flyers
Helpful Links
NDEP Website – Caselton Mine Area and Mill Site
The Nature Conservancy – Mining the Sun Initiative
