Temporary Sangamon River Dam

SANGAMON RIVER· Sangamon, Illinois· Other· 20 ft tall
Low Hazard Water Supply Public Utility

Key Takeaway

Temporary Sangamon River Dam is classified as low hazard in Illinois. Its primary use is water supply.

Physical Details

Dam Height 20 ft (taller than 28.2% in IL)
Dam Length341 ft
Dam TypeOther
Max Storage2.0K acre-ft
Normal Storage0 acre-ft
NID IDIL50147

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: November 5, 2019
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY WATER, LIGHT & POWER

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Temporary Sangamon River Dam?

Temporary Sangamon River 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 Temporary Sangamon River Dam?

Temporary Sangamon River Dam is owned by CITY WATER, LIGHT & POWER (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Temporary Sangamon River Dam?

Temporary Sangamon River Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Temporary Sangamon River Dam?

Temporary Sangamon River Dam has a dam height of 20 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 Temporary Sangamon River Dam last inspected?

Temporary Sangamon River Dam was last inspected on November 5, 2019. 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.