WESTLAKE LANDFILL
BRIDGETON, MO
Site Documents & Data
For assistance with 508 Accessibility, please reach out to the Site Contacts.
Sign up for this Superfund site’s mailing list
On this page:
Featured Documents
The following documents represent the most recent/relevant deliverables or EPA correspondence related to those deliverables. Additional documents are available below under the “Reports and Documents” section.
OU-1 Draft Revised Excavation Plan (REP)
Revised Excavation Plan Part 1 of 5
Revised Excavation Plan Part 5 of 5: Appendix G Design Drawings
OU-1 Field Sampling Plans
Field Sampling Plan Addendum 9
Letter transmitting approval of Field Sampling Plan Addendum 9 with text modifications
Field Sampling Plan Addendum 10A
Letter transmitting approval of Field Sampling Plan Addendum 10A with modification
Field Sampling Plan (FSP) Addendum #: 10
Field Sampling Plan (FSP) Addendum #: 11
Letter approving the revised Field Sampling Plan (FSP) Addendum #: 11 with conditions
OU-1 Draft Design Investigation Evaluation Report (DIER) DocumentEPA DIER comment letter, 6/22/23
Design Investigation Evaluation Report (DIER) Part 1 of 9, 1/31/23
DIER Appendices A through G2, Part 2 of 9
DIER Appendix F Area 1 photos, Part 3 of 9
DIER Appendix F Area 2 Photos, Part 4 of 9
DIER Appendix F Buffer Zone, CDL, ISL photos, Part 5 of 9
DIER Appendices H through N, Part 6 of 9
DIER Appendix L Figures L-1 to L-8, Part 7 of 9
DIER Appendix L Figures L-9 to L-47, Part 8 of 9
DIER Attachment 2 Depth adjusted scans and gamma, Part 9 of 9
Place holder for DIER Attachments 1 and 2 - coming soon
West Lake Updates
West Lake Updates are an email newsletter style communication tool which EPA uses to send updates directly to subscribers. Copies of the most recent West Lake Updates are posted below, and historical updates can be found here. If you would like to start receiving these updates directly, please email Jessica Evans at evans.jessica@epa.gov.
West Lake Update dated October 17, 2023
West Lake Update dated April 25, 2023
West Lake Update dated March 3, 2023
West Lake Update dated January 24, 2023
West Lake Update dated October 31, 2022
Operable Unit 1
Draft OU-1 30% Remedial Design
Draft OU-1 Loading Transportation and Offsite Disposal Plan
Final OU-1 Design Investigation Work Plan
Final OU-1 Remedial Design (RD) Field Sampling Plan
Final OU-1 RD Quality Assurance Project Plan
Final OU-1 RD Data Management Plan
OU-1 RD Health and Safety and Radiation Safety Plan
FSP Addendum 1 – Additional Investigation in ISL/CD
FSP Addendum 2 – Additional Investigation Around Area 2
FSP Addendum 3 – Additional Investigation Around Area 1
FSP Addendum 4 - Additional Investigation in ISL/CD
FSP Addendum 5 – Additional Investigation for Modeling
FSP Addendum 6 - Comprehensive Step-Out Borings for RIM Delineation
FSP Addendum 7 (DRAFT) - Additional Sediment Sampling
EPA Comment Letter on Addendum 6 and Addendum 7
Third Amendment to Administrative Settlement Agreement and Order on Consent for Remedial Design
Modified Statement of Work OU-1, 7/1/2022
Operable Unit 2
OU-2 Final Remedial Design Workplan (RDWP)
EPA's approval letter with modifications of the OU2 RDWP
OU-2 Final Landfill Gas Monitoring Plan
EPA’s Approval of the Landfill Gas Monitoring Plan
Landfill Gas Corrective Action Plan
Operable Unit 3
OU-3 RI/FS Work Plan Addendum 1
OU-3 RI/FS Work Plan Addendum 2
OU-3 RI/FS Work Plan Addendum 3
2022 Annual Report Tables, Figures, Appendices
2022 Annual Report, EPA Comments
2021 Annual Report, Part 1 of 2
2021 Annual Report, Part 2 of 2
OU-3 RI/FS Field Sampling Plan
OU-3 RI/FS Quality Assurance Project Plan
Reports and Documents
Administrative Records
Site Data
Other Site Name:
In addition to WESTLAKE LANDFILL, this site has also been referred to as:
- WEST LAKE LANDFILL
- WESTLAKE SS#0714
National Priorities List Status:
Final
The National Priorities List is intended primarily to guide EPA in determining which sites warrant further investigation.
Learn more about the NPL.
City and State: BRIDGETON, MO
County: ST. LOUIS
Congressional District: 02
EPA ID: MOD079900932