Hinz Pond Dam is an earth dam located in Union County, Illinois, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 410 ft long, taller than 55% of U.S. dams with a recorded height. 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 Hinz Pond Dam
The primary purpose of Hinz Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Herbert Hinz (private). It impounds the Trib Grassy Creek near No Town.
The dam stands 26 feet tall and stretches 410 feet across, and has a maximum storage capacity of 72 acre-feet. Completed in 1966, the structure is well into its service life at over 50 years old.
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 10/29/2021.
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Location
| State | Illinois |
| County | Union |
| Nearest City | No Town |
| River/Stream | Trib Grassy Creek |
| Coordinates | 37.57611, -89.05898 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 410 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 54 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Herbert Hinz |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/29/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00934 |
| Federal ID | IL00934 |
| More Info | State Dam Safety Program |