Heidelberg Materials Lewisville Phase 1 Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Clark |
| Coordinates | 45.80949, -122.56580 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Length | 1,400 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 293 acre-ft |
| Max Storage | 293 acre-ft |
| Normal Storage | 266 acre-ft |
| Drainage Area | 13 sq mi |
| Max Discharge | 11 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Heidelberg Materials |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/14/2020 |
| Emergency Action Plan | Yes |