DOCUMENT DOWNLOADS

Find links to many relevant documents, data and related materials below.

Don’t see what you’re looking for? Email us to inquire: BonitaPeakCAG@gmail.com

Meeting Agendas

Older meeting agendas are available on the meeting agendas archive page.

2023

• Meeting #49 – Jan 2023
• Meeting #50 – Feb 2023
• Meeting #51 – Mar 2023
• Meeting #52 – Apr 2023
• Meeting #53 – May 2023 (no meeting held)
• Meeting #54 – Jun 2023
• Meeting #55 – Jul 2023

2022

• Meeting #37 — Jan. 2022
• Meeting #38 — Feb. 2022
• Meeting #39 — Mar. 2022
• Meeting #40 — Apr. 2022
• Meeting #41 – May 2022 (no meeting held)
• Meeting #42 – June 2022
• Meeting #43 – July 2022
• Meeting #44 – Aug. 2022 (no agenda – onsite tour)
• Meeting #45 – Sept. 2022
• Meeting #46 – Oct. 2022
• Meeting #47/48 – Nov & Dec 2022

2021

• Meeting #25 — Jan. 2021
• Meeting #26 — Feb. 2021
• Meeting #27 — Mar. 2021
• Meeting #28 — Apr. 2021
• Meeting #29 — May 2021
• Meeting #30 — Jun. 2021
• Meeting #31 — Jul. 2021
• Meeting #32 — Aug. 2021
• Meeting #33 — Sept. 2021
• Meeting #34 — Oct. 2021
• Meeting #35 — Holiday conflict
• Meeting #36 — Dec. 2021

2020

• Meeting #13 – Jan. 2020
• Meeting #14 – Feb. 2020
• Meeting #15  – Mar. 2020 (postponed due to COVID-19)
• Meeting #16 – Apr. 2020
• Meeting #17 – May 2020
• Meeting #18 – Jun. 2020
• Meeting #19 – Jul. 2020
• Meeting #20 – Aug. 2020
• Meeting #21 — Sept. 2020
• Meeting #22 — Oct. 2020
• Meeting #23 — Nov. 2020 (no meeting held, holiday)
• Meeting #24 — Dec. 2020

Meeting Notes

Older meeting notes are available on the meeting notes archive page.

2023

• Meeting #49 – Jan 2023
• Meeting #50 – Feb 2023
• Meeting #51 – Mar 2023
• Meeting #52 – Apr 2023
• Meeting #53 – May 2023 (no meeting held)

2022

• Meeting #37 — Jan 2022
• Meeting #38 — Feb 2022
• Meeting #39 — Mar 2022
• Meeting #40 – Apr 2022
• Meeting #41 – May 2022 (no meeting held)
• Meeting #42 – Jun 2022
• Meeting #43 – Jul 2022
• Meeting #44 – Aug. 2022 (no notes – onsite tour)
• Meeting #45 – Sept 2022
• Meeting #46 – Oct 2022
• Meeting #47/48 – Dec 2022

2021

• Meeting #25 — Jan. 2021
• Meeting #26 — Feb. 2021
• Meeting #27 — Mar. 2021
• Meeting #28 — Apr. 2021
• Meeting #29 — May 2021
• Meeting #30 — Jun. 2021
• Meeting #31 — Jul. 2021
• Meeting #32 – Aug. 2021
• Meeting #33 – Sept. 2021
• Meeting #34 – Oct. 2021
• Meeting #35 – Holiday conflict
• Meeting #36 – Dec. 2021

2020

• Meeting #13 – Jan. 2020
• Meeting #14 – Feb. 2020
• Meeting #15 – Mar. 2020 (postponed due to COVID-19)
• Meeting #16 – Apr. 2020 Zoom meeting video (Google Drive)
• Meeting #17 – May 2020
• Meeting #18 – Jun. 2020
• Meeting #19 — Jul. 2020
• Meeting #20 — Aug. 2020
• Meeting #21 — Sept. 2020
• Meeting #22 — Oct. 2020
• Meeting #23 — Nov. 2020 (no meeting held; holiday)
• Meeting #24 — Dec. 2020

CAG Process Documents

• Operating Procedures & Mission Statement
• EPA Official CAG Recognition Letter

Powerpoints & Presentations

• Introducing EPA’s Goals For Bonita Peak 4.2019
• Interim Remedial Action Plan (IRAP) (P. Butler from meeting #2)
• ‘Digging Deeper’ – Aquatic Baseline Ecological Risk Assessment (BERA) (A. Todd (EPA) from meeting #4)
• Adaptive Management:  EPA (July 2019)
• Legal Update: Anthony Edwards (Aug. 2019)
• EPA Site Strategy Workshop Presentation 11.7.2019
• Bulkheads and Impounded Water – DRMS (Jan. 2020)
• Adaptive Management Plan Chapters 2 & 4 – EPA (April 2020)
• Year-in-Review 2019 – EPA Digging Deeper (April 2020)
• EPA – Overview of Mayflower Tailings Ponds (May 2020)
• Sunnyside Gold – Mayflower Investigation & Characterization (May 2020)
• EPA – Red & Bonita Bulkhead Test & Mayflower Repository FS (June 2020)
• Asarco/Arrastra Gulch Activities Update (July 2020)
• BLM Activities Update (July 2020)
• Dept. of Reclamation, Mining & Safety (DRMS) Activities Update (July 2020)
• USFS Activities Update (Aug 2020)
• Water Quality Data – Animas Canyon 2020 (Butler – Oct. 2020)
• 2020 Year in Review/2021 Outlook (EPA – Dec. 2020)
• Terrestrial BERA (EPA – Dec. 2020 – B. Sanchez)
• CO Parks & Wildlife Fishery Data 2020 (Dec. 2020 – J. White)
• What Do We Know About the GW System and How Does That Inform the Site Strategy? (EPA Feb 2020)
• DRMS – Ben Butler Mine Update (Feb 2021)
• EPA – Remedial Investigation OU1 (Feb 2021)
• EPA Funding Stream – (June 2021)
• ASARCO Site Update (July 2021)
• R&B Bulkhead Closure Report_EPA (Dec 2021)
• 2021 Year in Review EPA (Jan 2022)
• Final RI Workplan EPA (Jan 2022) – large file, please request
• 2022 Planned Priorities (Dec 2021)
• 3D Modeling at Howardsville (EPA – June 2022)
• CAG General Update (P. Butler – July 2022)
• Summer Activities Recap 2022 – EPA (Sept. 2022)
• Bulkhead Effectiveness Summary 2022 – EPA (Sept. 2022)
• Conceptual Site Model – OU3 Groundwater – EPA (Oct. 2022)
• 2022 Year in Review/2023 Plans – EPA (Jan 2023)
• WQ in Animas Canyon – Butler (Feb 2023)
• Surface Water Remedy Community Workshop (EPA) – March 2023
• Table Value Standards – Animas (Butler) – April 2023
• Mayflower Repository Update (EPA) – April 2023
• Howardsville Investigation (EPA) – June 2023

Important Documents/Data

ARSG Data

• Combined Water Qual Data May 7, 2013
• Benthic Macroinvertebrate Analysis – 2004 Compared to the 1996 and 1997 Data
• 2010 Benthic Macroinvertebrate Analysis
• Porphyry Gulch 2017 Benthic Macroinvertebrate Assessment

General

• List of Frequently-used Acronyms
• Glossary of Superfund Terms
• Gladstone Chronology from Silverton Standard
• Mountain Studies Institute Animas River data:  http://www.mountainstudies.org/animasriver
• Animas Canyon WQ Data – updated Feb. 2022
• Mineral Creek WQ Data 2.2022

EPA

General

• Interim Water Treatment Plant Failure WQ data press release EPA 3.25.19
• EPA Organizational Chart 2020
• EPA Seeps & Springs Report (March 2021) (File too large.  Contact CAG for info)

Risk Assessments

• Aquatic Baseline Ecological Risk Assessment (BERA)(2019) – contact us for a copy (file too large)
• Human Health Risk Assessment (HHRA): https://semspub.epa.gov/src/document/08/100006501
  • HHRA Fact Sheet:  https://semspub.epa.gov/src/document/08/100006521
• Terrestrial Baseline Ecological Risk Assessment
  • Terrestrial BERA Fact Sheet

IRODs

• Interim Remedial Actions (IRAs) 2018 Public Comments: https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.scs&id=0802497&doc=Y&colid=37790&region=08&type=SC
• IROD Fact Sheet 5.2019

Red & Bonita Bulkhead

• Bulkhead Test Execution Plan – July 2020

Bulkhead Tests 2020

• R&B Bulkhead test – report #1
• R&B Bulkhead test – report #2
• R&B Bulkhead test – report #3
• R&B Bulkhead test – report #4
• R&B Bulkhead test – report #5
• R&B Bulkhead test – report #6
• R&B Bulkhead test – report #7
• R&B Bulkhead test – report #8
• R&B Bulkhead test – report #9
• R&B Bulkhead test – report #10
• R&B Bulkhead test – report #11
• R&B Bulkhead test – report #12
• R&B Bulkhead test – report #13
• R&B Bulkhead test – report #14
• R&B Bulkhead test – report #15

Mayflower Repository

• Proposed Plan – July 2020
• Repository Fact Sheet by EPA – July 2020
• Plan Public Meeting Presentation (not a CAG meeting) – Aug. 11, 2020
• CAG Public Comments on Proposed Plan – Aug. 2020
• Sunnyside Gold Corp. Public Comments – Aug. 2020

Adaptive Management Plan (AMP) & Site Strategy

• *See additional AMP information above in ‘PowerPoints & Presentations’
• CAG letter to EPA on Site Strategy 12.15.2019
• CAG letter to EPA on Site Strategy – chapters 2 & 4 (June 2020)
• Sunnyside letter to EPA on Site Strategy – chapters 2 & 4 (June 2020)
• CAG Comments on Final Site Mngt. Plan (Oct. 2020)
• Sunnyside Comments on Final Plan (Oct. 2020)
• Final Site Mngt Plan (Dec. 2020)
• 5 Year Plan 2021-2026 (March 2021)
• 2021 Task List for all agencies  (March 2021)
• CAG Comments on EPA’s 5 Year Plan

Sunnyside Gold Corporation

• Sunnyside Gold Corp. Consent Decree – May 1996
• Eight Pillars to Improve WQ 11.25.2019
• Knight Piesold Report on Animas River Water Quality 6.26.2019
• Mayflower Access Granted 8.6.2019
• Mayflower Repository Plan 9.10.2019
• SGC 5 Year Plan Comments (March 2021)

EPA Official Bonita Peak Update Newsletters

Older newsletters are available on the EPA Official Bonita Peak Update Newsletters archive page.

2023

• Jun 2023

2022

• Feb. 2022
• Apr. 2022
• Dec. 2022

2021

• Jan. 2021
• Mar. 2021
• Apr. 2021
• Jun. 2021
• Jul. 2021
• Aug. 2021

2020

• Jan. 2020
• Mar. 2020
• Apr. 2020
• May 2020
• Jun. 2020
• Jul. 2020
• Aug. 2020
• Sept. 2020
• Oct. 2020

Mapping

Approximately 38 miles of the Bonita Peak mine workings are shown on the map. More workings exist than are shown, and additional detail could be added in the future. The Sunnyside Mine workings shown are approximately 30 miles, Gold King workings shown are approximately 6 miles, Mogul workings shown are approximately 1.4 miles, and Red and Bonita workings shown are approximately 0.4 miles. Mapping provided by the CO Division of Reclamation, Mining and Safety.