Millers Lake Dam is an earth dam located in Richland County, Illinois, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 330 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 Millers Lake Dam
The primary purpose of Millers Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by James Miller (private). It impounds the Trib Big Creek near Blood.
The dam stands 20 feet tall and stretches 330 feet across, and has a maximum storage capacity of 214 acre-feet. Completed in 1952, 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 06/20/2025.
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Location
| State | Illinois |
| County | Richland |
| Nearest City | Blood |
| River/Stream | Trib Big Creek |
| Coordinates | 38.70771, -88.05112 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 330 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 214 acre-ft |
| Max Storage | 214 acre-ft |
| Normal Storage | 171 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | James Miller |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/20/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00333 |
| Federal ID | IL00333 |
| More Info | State Dam Safety Program |