White Pine Ditch Dam
White Pine Ditch Dam is an earth dam located in Cook County, Illinois, built in 1975. It carries a Significant hazard potential classification.
About White Pine Ditch Dam
The primary purpose of White Pine Ditch Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Metropolitan Water Reclamation District (local government). It impounds the White Pine Ditch near Arlington Heights.
The dam stands 13 feet tall and stretches 500 feet across, and has a maximum storage capacity of 5 acre-feet. Completed in 1975, the structure is well into its service life at over 50 years old.
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 10/20/2022.
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Location
| State | Illinois |
| County | Cook |
| Nearest City | Arlington Heights |
| River/Stream | White Pine Ditch |
| Coordinates | 42.14328, -87.95361 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 500 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 5 acre-ft |
| Max Storage | 5 acre-ft |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | METROPOLITAN WATER RECLAMATION DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 10/20/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01227 |
| Federal ID | IL01227 |
| More Info | State Dam Safety Program |