DAM
Thomas J. O'Brien Lock and Controlling Works
A National Inventory of Dams record with its reported purpose, inspection and assessment dates. A nearby dam is not automatically a drinking-water source.
Open in the atlas →National Inventory of Dams
Dam details
Nearby-place relationships are geographic context, not reservoir, utility, or supply links.
- NID ID
- IL01013
- River or stream
- Calumet River
- Primary purpose
- Navigation
- Completed
- 1960
- Hazard potential
- HighPotential consequences if failure occurs—not structural condition.
- Condition assessment
- Not AvailableNo public assessment date in this record.
- Last inspection
- 2022-04-05
- Operational status
- Under Investigation, Planning, Permitting, or Design for Remediation
No measurement history available here
We do not have historical measurements to show for Thomas J. O'Brien Lock and Controlling Works. This does not mean it is unmonitored or that its water is safe or unsafe. You can still explore the information and source links on this page.
Connected water system
No connected water sources or systems are listed in the available records.