# INUNDATION
> MSHA accident `220212010019` · 07/16/2021 · Knight Hawk Coal, LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** INUNDATION
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** CBR Investments LLC; Arch Coal Inc
- **Operator:** Knight Hawk Coal, LLC
- **Mine:** [1103147](https://api.ai-analytics.org/mine/1103147)
## Narrative

Pumps in the main portal pit could not keep up with significant rain event and allowed water to inundate into the portal openings in the mine.  No one was injured and ventilation was not disturbed.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*