Wichman Lake Dam is an earth dam located in Grimes County, Texas, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 700 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 Wichman Lake Dam
The primary purpose of Wichman Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by M Wichman Jr (private). It impounds the Tr-navasota River.
The dam stands 16 feet tall and stretches 700 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 220 acre-feet. Completed in 1969, 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.
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Location
| State | Texas |
| County | Grimes |
| River/Stream | Tr-navasota River |
| Coordinates | 30.52934, -96.13429 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 700 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 20 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | M Wichman Jr |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03071 |
| Federal ID | TX03071 |
| More Info | State Dam Safety Program |