# IMPOUNDMENT
> MSHA accident `220122220039` · 04/13/2012 · Heidelberg Materials Midwest Agg, Inc.
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** IMPOUNDMENT
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Midwest Agg, Inc.
- **Mine:** [1200004](https://api.ai-analytics.org/mine/1200004)
## Narrative

The operator is filing this 7000-1 under protest and to comply with the mandatory abatement provisions of the act. Constructing a pond, personnel filled the pond to ensure impermeability. The next morning the water level had lowered.  MSHA was notified immediately. No soil disturbance or material failure was discovered.

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