Hs Jackson Sand & Gravel Dam No 1 is an earth dam located in Denton County, Texas, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 450 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 Hs Jackson Sand & Gravel Dam No 1
The primary purpose of Hs Jackson Sand & Gravel Dam No 1 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by H S Jackson Sand and Gravel Inc (private). It impounds the Tr-denton Cr.
The dam stands 15 feet tall and stretches 450 feet across, and has a maximum storage capacity of 108 acre-feet. Completed in 1972, 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 06/28/1972. That was over 54 years ago.
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Location
| State | Texas |
| County | Denton |
| River/Stream | Tr-denton Cr |
| Coordinates | 32.99614, -97.01226 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 450 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 54 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | H S Jackson Sand and Gravel Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/28/1972 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00595 |
| Federal ID | TX00595 |
| More Info | State Dam Safety Program |