Data / Federal rules / 2026-10722
Montana Regulatory Program
The Surface Mining Reclamation and Enforcement Office published this final rule in the Federal Register on May 29, 2026. It took effect on June 29, 2026.
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What the agency says
The Office of Surface Mining Reclamation and Enforcement (OSM) is APPROVING an amendment to the Montana regulatory program under the Surface Mining Control and Reclamation Act of 1977 (SMCRA). Montana submitted this proposed amendment to OSM on its own initiative in response to a State law passed by the Montana Legislature House Bill 587 (HB 587). The proposed amendment provides a new definition of "Material damage" with respect to the hydrologic balance, alluvial valley floors, and subsidence. It also creates an option for a permit applicant to provide self-collected information related to its determination of probable hydrologic consequences, if an appropriate Federal or State agency cannot provide such information. Finally, HB 587 includes contingencies that apply to the proposed amendment but are not codified into the Montana Code Annotated (MCA): a severability clause, a contingent voidness clause, an effective date clause, and a retroactive applicability clause.
Key facts
- Document number
- 2026-10722
- Type
- Final rule
- Action
- Final rule; approval of amendment
- Agency
- Interior Department; Surface Mining Reclamation and Enforcement Office
- Published
- May 29, 2026
- Takes effect
- June 29, 2026
- Dates
- The effective date is June 29, 2026.
- Docket
- SATS No. MT-048-FOR; Docket No. OSM-2025-0008; S1D1S SS08011000 SX064A000 266S180110; S2D2S SS08011000 SX064A000 26XS501520
- Code of Federal Regulations
- 30 CFR 926
- Topics
- Intergovernmental relations; Surface mining; Underground mining
- Pages
- 12
Other documents from the Surface Mining Reclamation and Enforcement Office
| Document | Type | Published |
|---|---|---|
| Montana Regulatory Program 2026-17821 | Final rule | Sep 1 |
| Montana Regulatory Program 2026-17333 | Final rule | Aug 25 |
| Montana Regulatory Program 2026-17055 | Final rule | Aug 21 |
| North Dakota Regulatory Program 2026-16318 | Final rule | Aug 11 |
| Ohio Regulatory Program 2026-16136 | Final rule | Aug 7 |
| Montana Regulatory Program 2026-14245 | Final rule | Jul 15 |
| Montana Regulatory Program 2026-14244 | Final rule | Jul 15 |
| West Virginia Regulatory Program 2026-12482 | Final rule | Jun 22 |
Everything from the Surface Mining Reclamation and Enforcement Office · Rules on intergovernmental relations · Rules on surface mining · Rules on underground mining · Published in May 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.