# Montana Regulatory Program

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Interior Department; Surface Mining Reclamation and Enforcement Office |
| Type | Final rule |
| Action | Final rule; approval of amendment. |
| Published | 2026-07-15 |
| Effective | 2026-08-14 |
| Significant | No |
| CFR parts | 30 CFR 926 |
| Summary | 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 requirement |
| Document number | 2026-14244 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/07/15/2026-14244/montana-regulatory-program). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.