Data / Federal rules / 2026-14244
Montana Regulatory Program
The Surface Mining Reclamation and Enforcement Office published this final rule in the Federal Register on July 15, 2026. It took effect on August 14, 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--Senate Bill 365 (SB 365). The amendment to the Montana coal program regulations clarifies that, if a siltation structure's capacity is exceeded because of an extraordinary series of storms, an operator will not have violated the siltation structure construction requirements if the siltation structure was constructed consistent with the design capacity requirements in the applicable Administrative Rules of Montana (ARM) and the operator actively undertakes measures to restore pond capacity as soon as weather and ground conditions permit. SB 365 also 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, and an effective date clause.
Key facts
- Document number
- 2026-14244
- Type
- Final rule
- Action
- Final rule; approval of amendment
- Agency
- Interior Department; Surface Mining Reclamation and Enforcement Office
- Published
- July 15, 2026
- Takes effect
- August 14, 2026
- Dates
- The effective date is August 14, 2026.
- Docket
- SATS No. MT-045-FOR; Docket No. OSM-2025-0005; S1D1S SS08011000 SX064A000 256S180110; S2D2S SS08011000 SX064A000 25XS501520
- Code of Federal Regulations
- 30 CFR 926
- Topics
- Intergovernmental relations; Surface mining; Underground mining
- Pages
- 6
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 |
| West Virginia Regulatory Program 2026-12482 | Final rule | Jun 22 |
| Montana Regulatory Program 2026-10722 | Final rule | May 29 |
Everything from the Surface Mining Reclamation and Enforcement Office · Rules on intergovernmental relations · Rules on surface mining · Rules on underground mining · Published in July 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.