Bachman Branch is the name of a medium sized tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Trinity River

Trinity River (Texas)

The Trinity River is a long river that flows entirely within the U.S. state of Texas. It rises in extreme north Texas, a few miles south of the Red River. The headwaters are separated by the high bluffs on the south side of the Red River....

 with headwaters in northwest

Northwest Dallas

Northwest Dallas is an area consisting of many communities and neighborhoods in Dallas, Texas, .- Neighborhoods :* Koreatown* Love Field* Stemmons Corridor* Arlington Park and it is considered apart of West Dallas- Light rail :...

 Dallas

Dallas, Texas

Dallas is the third-largest city in Texas and the ninth-largest in the United States. The Dallas-Fort Worth Metroplex is the largest metropolitan area in the South and fourth-largest metropolitan area in the United States...

, Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 (USA

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

). The tributary is 10 miles (16 km) in length and rises at Forest Lane, 0.5 miles (0.8 km) west of the Dallas North Tollway

Dallas North Tollway

The Dallas North Tollway is a controlled-access toll road operated by the North Texas Tollway Authority , which runs from Interstate 35E near downtown Dallas, Texas , to U.S...

. It runs south and then west through Bachman Lake

Bachman Lake

Bachman Lake is a small freshwater lake located in the Love Field neighborhood of northwest Dallas, Texas . It covers in northwest Dallas and lies on the northwest boundary of Dallas Love Field in the airport's landing path...

 and ultimately into the Elm Fork of the Trinity River. The Branch is dammed with the New Frazier dam to provide water to Fishing Hole Lake. New Frasier Dam is on the Elm Fork Of Trinity River in Dallas County, Texas and is used for flood control purposes. Construction was completed in 1965. It is owned by the Dallas Water Utilities

Dallas Water Utilities

Dallas Water Utilities is the water and wastewater service operated by the City of Dallas, Texas, in the United States. DWU is a non-profit City of Dallas department that provides services to the city and 31 nearby communities, employs approximately 1450 people, and consists of 26 programs...

New Frasier Dam is a gravity dam. Its height is 16 feet with a length of 180 feet. Its capacity is 651 acre.ft. Normal storage is 651 acre.ft

Headwaters: 32°55′15.10"N 96°49′11.21"W

Mouth: 32°50′38.40"N 96°53′21.56"W