Tom Steele Dam

Tom Steele Dam is an earth dam located in Rock Island County, Illinois, built in 2005. It carries a High hazard potential classification.

Hazard potentialHighFailure would probably cost lives
ConditionNot assessed
Emergency action planOn file
Last inspection04/23/2025
Height59 ft
Built200521 years ago

Dam profile

NID height · 59 ft
59 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

59 ft tall and 580 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Tom Steele Dam

The primary purpose of Tom Steele Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Tom Steele (private). It impounds the Trib Turkey Hollow Creek near Buffalo, Ia.

The dam stands 59 feet tall and stretches 580 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 610 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, the structure is relatively new.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 04/23/2025.

At 59 feet, this dam is taller than 95% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Illinois dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIllinois
CountyRock Island
Nearest CityBuffalo, Ia
River/StreamTrib Turkey Hollow Creek
Coordinates41.41443, -90.64276

Physical Characteristics

Dam TypeEarth
NID Height59 ft
Dam Height59 ft
Dam Length580 ft
Year Completed2005 (21 years old)

Storage & Hydraulics

NID Storage610 acre-ft
Max Storage610 acre-ft
Normal Storage234 acre-ft
Surface Area19 acres
Drainage Area0 sq mi
Max Discharge1,113 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTom Steele
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot assessed
Last Inspection04/23/2025
Emergency Action PlanYes

Identifiers

NID IDIL50570
Federal IDIL50570
More InfoState Dam Safety Program