Matthies William T is an earth dam located in Canadian County, Oklahoma, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 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 Matthies William T
Matthies William T is a dam in Canadian, Oklahoma. The dam is owned by Betty J Johnston (private). It impounds the Tr-arapaho Creek near Union City.
The dam stands 19 feet tall and stretches 500 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 140 acre-feet. Completed in 1965, 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 08/19/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Canadian |
| Nearest City | Union City |
| River/Stream | Tr-arapaho Creek |
| Coordinates | 35.43917, -97.98624 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 500 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Betty J Johnston |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/19/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12243 |
| Federal ID | OK12243 |
| More Info | State Dam Safety Program |