Amity Hills Dam is an earth dam located in Yamhill County, Oregon. It carries a Significant hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Amity Hills Dam
The primary purpose of Amity Hills Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by St. Michelle Wine Estates (private). It impounds the Unnamed, Trib/ash Swale.
The dam stands 32 feet tall, and has a storage capacity of 125 acre-feet.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 10/24/2018.
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Location
| State | Oregon |
| County | Yamhill |
| River/Stream | Unnamed, Trib/ash Swale |
| Coordinates | 45.12492, -123.16745 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
Storage & Hydraulics
| NID Storage | 125 acre-ft |
| Normal Storage | 125 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | St. Michelle Wine Estates |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/24/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR03869 |
| Federal ID | OR03869 |
| More Info | State Dam Safety Program |