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Trowbridge Dam Area

File Name Description Category Uploaded Size Download 
R5_Trowbridge_Action_Memo 4-1-20 SIGNED.pdf Action Memorandum Action Memo 4/2/2020 14506 KB Download
ENV_ENFORCEMENT-2960411-v1-Kzoo_-_DN_37_-_Signed_and_Entered_CD_with_NCR.PDF Consent Decree with NCR Corporation Report 12/3/2020 635 KB Download
ENV_ENFORCEMENT-2960409-v1-Kzoo_-_DN_36_-_Order_approving_and_entering_Consent_Decree.PDF Consent Decree Approval Order Report 12/3/2020 184 KB Download
Fact Sheet December 2019.pdf Consent Decree Settlement Fact Sheet - December 2019 Fact Sheet 4/1/2020 1183 KB Download
Trowbridge Fact Sheet March 2024 FINAL 2.pdf Fact Sheet - March 2024 Fact Sheet 3/12/2024 697 KB Download
Trowbridge Twp Outreach letter September 2024.pdf Resident Flyer - September 2024 Fact Sheet 9/12/2024 173 KB Download
Virtual Kayak Tour June 2020.pptx 'Virtual' Kayak Tour - Otsego Historical Society to 26th Street Boat Launch Presentation 6/12/2020 377840 KB Download
240101_GEI_OU5_A4 TCRA Monthly Report_December.pdf Monthly Progress Report - December 2024 Report 1/8/2025 795 KB Download
250201_GEI_OU5_A4 TCRA Monthly Report_January.pdf Monthly Progress Report - January 2025 Report 2/5/2025 742 KB Download
250301_GEI_OU5_A4 TCRA Monthly Report_February.pdf Monthly Progress Report - February 2025 Report 3/7/2025 1236 KB Download
220926GEIOU5MultiAreaQAPPR2signed.pdf Quality Assurance Project Plan, Revision 4 Workplan 9/26/2022 43274 KB Download
220707_GEI_A4 TCRA_PDI Summary text table fig revised draft 1.pdf PDI Phase I & II Data Summary Report Main Body - July 2022 (Appendices available upon request) Report 7/13/2022 88064 KB Download
GEI OU5 A4 TCRA_PDI Phase 3 Data Summary Report_packaged_signed.pdf PDI Phase III Data Summary Report - February 2023 Report 2/6/2023 628752 KB Download
250217_GEI_OU5_A4 TCRA_Mussel Relocation Report 2024.pdf 2024 Mussel Relocation Report Report 2/18/2025 25160 KB Download
604 Trowbridge Dam 2023 Dam Safety Inspection Report.pdf Trowbridge Dam inspection report - 2023 Report 9/22/2023 8539 KB Download
230105 Area 4 TCRA RAWP Response.pdf EPA response to NCR dated 1/5/2023 on revised work plan Correspondence 1/14/2023 241 KB Download
230110 EGLE comment response letter.pdf EPA response to EGLE dated 1/10/2023 Correspondence 1/14/2023 153 KB Download
EGLE Cover Letter_OU5 Area 4 TCRA_EGLE Reply to RTC from USEPA_03012023.pdf EGLE response to EPA letter dated 1/10/2023 Correspondence 3/25/2023 188 KB Download
20230214 NCR Letter to EPA re Follow-up to 2-7-23 Meeting.pdf NCR response to EPA dated 2/14/2023 on revised work plan Correspondence 3/23/2023 187 KB Download
20230221 NCR Letter to EPA re Schedule for Area 4 TCRA Design.pdf NCR response to EPA dated 2/21/2023 on revised work plan Correspondence 3/23/2023 173 KB Download
EGLE Cover Letter_OU5 Area 4 TCRA_EGLE Reply to RTC from USEPA_03012023 2.pdf EGLE response to EPA letter dated 3/1/2023 Correspondence 4/21/2023 188 KB Download
230508_A4 TCRA_GEI response to EPA modeling comments_R1 2.pdf NCR response to EPA dated 5/8/2023 on modeling comments Correspondence 5/19/2023 808 KB Download
230630_GEI A4 TCRA_RWP Disapproval Comment 1 Response Final.pdf NCR response to EPA dated 6/30/2023 on design issues Correspondence 8/23/2023 227 KB Download
230630_GEI A4 TCRA_ Alternatives Analysis Memo Final_compiled2.pdf NCR response to EPA dated 6/30/2023 on alternative design options Correspondence 8/23/2023 3324 KB Download
230712_A4 TCRA_GEI response to EPA June 28 email_Compiled.pdf NCR response to EPA dated 7/12/2023 responding to modeling issues Correspondence 8/23/2023 2554 KB Download
230804 Area 4 TCRA Design Memo Response.pdf EPA response to NCR dated 8/4/2023 on revised removal work plan Correspondence 8/23/2023 241 KB Download
231004_GEI_Area 4 TCRA_Removal Work Plan Part 1_Compiled.pdf NCR response to EPA request dated 8/4/2023 for 'Part 1' work plan Workplan 10/4/2023 12235 KB Download
FINAL_SOM Cover Letter and Comments_Kalamazoo River Superfund Site OU5 Area 4 TCRA_RWP Part 1 Oct 2023.pdf State of Michigan Cover Letter with comments on 'Part 1' workplan dated 10/27/2023 Correspondence 11/9/2023 1685 KB Download
FINAL_SOM Consolidated Detailed Comments_OU5 Area 4 TCRA_RWP Part 1 Oct 2023.xlsx State of Michigan comments on 'Part 1' workplan dated 10/27/2023 Correspondence 11/9/2023 42 KB Download
Part 1 Response Letter 11012023.pdf EPA response to NCR dated 11/1/2023 on revised 'Part 1' removal work plan Correspondence 11/3/2023 214 KB Download
20231116 TCRA WP Part 1 Letter to EPA.pdf NCR response - Revised 'Part 1' workplan dated 11/16/2023 Correspondence 11/17/2023 217 KB Download
FINAL_SOM Cover Letter and Comments_OU5 Area 4 TCRA_Draft RWP Part 1 Rev 1_Nov 2023.pdf State of Michigan Cover Letter with comments on revised 'Part 1' workplan dated 12/20/2023 Correspondence 12/22/2023 2173 KB Download
FINAL_SOM Comments_OU5 Area 4 TCRA_Draft RWP Part 1 Rev 1_Nov 2023.xlsx State of Michigan comments on revised 'Part 1' workplan dated 12/20/2023 Report 12/22/2023 17909 KB Download
Part 1 Design Plan Submittal Response Letter 12212023.pdf EPA response to NCR dated 12/21/2023 on revised 'Part 1' removal work plan and design plans Correspondence 12/22/2023 247 KB Download
20240105 Letter to EPA re Area 4 Part 1 TCRA.pdf NCR response to EPA dated 1/5/2024 on revised 'Part 1' removal work plan conditional approval Correspondence 1/25/2024 167 KB Download
Letter to Paul Ruesch 2-7-24.pdf NCR letter to EPA dated 2/7/2024 regarding removal work plan status Correspondence 2/22/2024 209 KB Download
Part 1 Response Letter 2 02082024.pdf EPA response to NCR regarding 'Part 1' work plan Correspondence 2/22/2024 188 KB Download
Part 2 Scope Letter 02082024.pdf EPA letter to NCR regarding scope of 'Part 2' workplan Correspondence 2/22/2024 213 KB Download
240327_GEI_A4 TCRA_Part 2 Design Extension Request Letter.pdf NCR letter to EPA requesting an extension to submittal date for 'Part 2' removal work plan and design Correspondence 4/22/2024 206 KB Download
Dispute Notice Letter Part 2 Area 4 TCRA.pdf NCR letter to EPA disputing target design parameters for 'Part 2' design dated 3/29/2024 Correspondence 4/22/2024 152 KB Download
Part 1 Response Letter 3 04222024.pdf EPA response to NCR regarding revised 'Part 1' work plan dated 4/22/2024 Correspondence 4/22/2024 213 KB Download
240515_NCR Voyix_OU 5 A4 TCRA_RE Conditional Approval of Removal Work Plan Draft for Part 1.pdf NCR letter to EPA responding to 4/22/2024 conditional approval of revised 'Part 1' workplan Correspondence 5/16/2024 234 KB Download
Part 2 Extension Letter Response 06252024.pdf EPA letter to NCR regarding scope of 'Part 2' workplan dated 6/25/2024 Correspondence 7/1/2024 219 KB Download
Part 1 Response Letter 4 07172024.pdf EPA approval of 'Part 1' work plan submitted 6/17/2024 Correspondence 7/18/2024 183 KB Download
241023_GEI_OU5_A4 TCRA_Removal Work Plan Part 2_Draft 1.pdf Revised 'Part 2' workplan dated 10/23/2024 Workplan 10/23/2024 6051 KB Download
241023_GEI_OU5_A4 TCRA_DRRS Part 2_Appendix A of RWP Part 2.pdf Appendix A - 'Part 2' Removal Work Plan dated 10/23/2024 Workplan 10/23/2024 36341 KB Download
241023_GEI_OU5_A4 TCRA_Part 2 Design Drawings_Appendix B of RWP .pdf Design Drawings - 'Part 2' Removal Work Plan dated 10/23/2024 Workplan 10/23/2024 100087 KB Download
Part 2 Response Letter 03172025.pdf EPA response to NCR regarding revised 'Part 2' work plan dated 3/17/2025 Correspondence 3/21/2025 269 KB Download