Eagle Ridge West Pond Dam

LONGHOLLOW CREEK· Jo Daviess, Illinois· Built 1997· Earth· 66 ft tall
Low Hazard Recreation Private

Key Takeaway

Eagle Ridge West Pond Dam is classified as low hazard in Illinois. It was completed in 1997 and is 29 years old. Its primary use is recreation.

Physical Details

Dam Height 66 ft (taller than 96.6% in IL)
Dam Length450 ft
Dam TypeEarth
Max Storage26 acre-ft
Normal Storage16 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge300 cfs
Year Completed1997 (29 years old)
Year Modified2010
NID IDIL50377

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: August 19, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

EAGLE RIDGE INN & RESORT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Eagle Ridge West Pond Dam?

Eagle Ridge West Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Eagle Ridge West Pond Dam?

Eagle Ridge West Pond Dam is owned by EAGLE RIDGE INN & RESORT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Eagle Ridge West Pond Dam built?

Eagle Ridge West Pond Dam was completed in 1997, making it 29 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Eagle Ridge West Pond Dam?

Eagle Ridge West Pond Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Eagle Ridge West Pond Dam?

Eagle Ridge West Pond Dam has a dam height of 66 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Eagle Ridge West Pond Dam last inspected?

Eagle Ridge West Pond Dam was last inspected on August 19, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.