Community Involvement
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Community involvement plan: 2020.
This is a National Priorities List (NPL), or "Superfund," hazardous waste site. While EPA is the lead agency for remediation of this site, the Hazardous Materials and Waste Management Division provides technical support and input on all remediation-related activities to ensure the objectives of the Superfund program and state regulations are met.
Current important documents
- Final Updated Conceptual Site Model, October 12, 2021.
- Final North Boundary Barrier Wall Containment System Evaluation, September 21, 2021
- Containment remedy components graphic.
- Lowry Landfill fourth five year review September 2017.
- EPA Responses to CAG questions from Nov 25, 2019 and Sept 10, 2019 January 15, 2020.
- 1,4-dioxane fact sheet - ITRC March 2020.
- Addendum to the fourth five-year review February 11, 2021.
- Effectiveness evaluations for MW38 Area, North Toe Extraction System, and North End response actions, 2017 five year review issue #3 January 22, 2021.
- Effectiveness evaluation for perimeter barrier wall, 2017 five year review issue #3 January 20 2021.
- North boundary barrier wall containment system evaluation plan October 1, 2020.
- Technical memorandum - updated 1,4-dioxane plume map and north end conceptual model, 2017 five-year review issues #7 and #9 September 2, 2020 (This is a PDF portfolio. Please download to view).
- Technical memorandum documentation of three-dimensional data visualization and analysis June 2020 (This is a PDF portfolio. Please download to view)
Important background documents
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Revised groundwater monitoring plan. July 2015.(This is a PDF portfolio. Please download to view)
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Colorado groundwater containment remedy technical considerations (white paper). February 2015.(This is a PDF portfolio. Please download to view)
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Lowry Landfill Superfund Site amendment to the Record of Decision. August 2005. (Bottom of the second page in the table.)
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Lowry Landfill Superfund Site Record of Decision. March 1994. (Bottom of the first page in the table.)
Remedial action, operation and maintenance status reports
The MS Access spreadsheets associated with these files are quite large, and are not posted on this webpage. The files are all PDF portfolios - please download to view.
Please contact Jeannine Natterman via the contact information below for assistance.
Search environmental records online: If you find a record listed, but is not uploaded (as some older records are), contact Jeannine Natterman via the contact information below for assistance.
- How to search Hazardous Materials and Waste Management Division environmental records online. June 2018