BPSOU RD/RA Progress Meeting

On June 23, 2026, from 9:00 am to 10:00 am, Atlantic Richfield, EPA, Butte Silver Bow County, Montana DEQ, and the Montana Natural Resource Damage Program invite the public to observe the Butte Priority Soils Operable Unit (BPSOU) Remedial Design/Remedial Action Progress Meeting (RDRA Progress Meeting) in a Zoom event by computer or smart phone. Agenda added below Zoom joining information.

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Meeting ID: 165 357 6795

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Meeting ID: 165 357 6795

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RDRA Meeting Agenda – June 23, 2026

General:

1. Safety Moment (PTS)

Site Investigation & PDI:

2. Copper Mountain (Emily)

Intermediate Design:

3. Butte Reduction Works (Karen)
4. Northside Tailings (Drew)
5. Buffalo Gulch (Josh)
6. BPSOU Pump Station (Rich/Andy)
7. BTC Hydraulic Control (Brent)
8. Groundwater Remedy Optimization (Brent)
9. Leak Detection and Monitoring (Brent)
10. Blacktail Creek Riparian Actions (Alyx)

Final Design:

11. Diggings East (Joe/Karen)

Program Documents:

12. SBCCA Program Plans
    • Materials Management Plan (Agencies)
    • Technical Specifications (Agencies)
    • CQAP/CMQAPP (Agencies)
    • SBCCA O&M Plan & Manuals (Brent)
    • Greener Clean-Ups (Emily)

Construction Preparation & Planning:

13. Butte Mine Waste Repository (Mark)
    • 2026 BMWR O&M Plan
    • BMWR Prep Bid
14. Diggings East Construction (Joe/Karen)
    • Contracting
    • Pre-Mobilization Plans
      1. Traffic Control
      2. Environmental Protection Plan
      3. CQCP
15. Borrow Development (Mark)
    • South Borrow Area
16. Casey Street Water Line (Joe)
    • Mobilization/Construction Update
    • Community Fliers/Notices
    • UP Access Agreement (Eric)
17. Q2 Planning Effort (Tim)
    • SBCCA Program Planning Workshop II (Aug. 5)

SBCCA Inspection and Maintenance

18. Grove Gulch Observations and Reporting (Paddy)

Monitoring Programs:

19. 2026 GW (Brad)
    • General Activity and Reporting Update
20. 2026 SW (Brad)
    • General Activity and Reporting Update

Other:

21. Community Engagement

Round Table