Spring Lake Wetland Unit 1 is an earth dam located in Tazewell County, Illinois. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 500 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Spring Lake Wetland Unit 1
The primary purpose of Spring Lake Wetland Unit 1 is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Ducks Unlimited, Inc. (private). It impounds the Trib Illinois River near Liverpool.
The dam stands 8 feet tall and stretches 500 feet across, creates a reservoir covering 71 acres, has a maximum storage capacity of 147 acre-feet, and collects water from a drainage area of 0 square miles.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 04/26/2023.
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Location
| State | Illinois |
| County | Tazewell |
| Nearest City | Liverpool |
| River/Stream | Trib Illinois River |
| Coordinates | 40.44001, -89.90681 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 500 ft |
Storage & Hydraulics
| NID Storage | 147 acre-ft |
| Max Storage | 147 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 71 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Ducks Unlimited, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/26/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50522 |
| Federal ID | IL50522 |
| More Info | State Dam Safety Program |