Lake Nasworthy, Texas, USA

Lake Locations:

USA - Southwest - Texas - Hill Country - Panhandle Plains -

In the heart of Texas, Lake Nasworthy is a cool place in the heat of summer. This lake provides a welcome spot of relief, beckoning visitors to submerge themselves in its cooling waters. The 1,380-acre lake is set in middle Texas, located within six miles of its northeast neighbor, the City of San Angelo in Tom Green County. Lake Nasworthy sits on the border of the state’s Hill Country and Panhandle Plains tourism regions.

Prior to 1930, the area was without a lake, and the West Texas Utilities Company began the project of creating Lake Nasworthy’s artificial body of water in 1929. Racehorse owner John R. Nasworthy owned the land and gave the company permission to fill the area with water. The goal in building Lake Nasworthy was to supply San Angelo with municipal and industrial water. Farmers were also given access to the newly-formed lake for irrigation purposes. San Angelo city purchased the water rights to Lake Nasworthy in 1950 and retains them still today.

Lake Nasworthy, located on the South Concho River, a tributary of the Colorado River, is a relatively shallow earthfill dam with a maximum depth of 29 feet. The lake’s water level remains steady throughout the year due to discharge from Twin Buttes Reservoir, which sits directly west of the lake. Water clarity for the lake is described as “slightly stained,” but this quality provides for a plethora of aquatic life.

A helpful summer breeze sets cattails swaying along much of Lake Nasworthy’s shoreline, while alligator weed clusters in other shallow patches. Additional plant life present in the reservoir — including coontail, sago pondweed and star grass — provides the perfect habitat for a variety of fish species. Anglers can cast out their lines in hopes of hooking white bass, largemouth bass, white crappie or several species of catfish, all of which are predominant fish species in the lake. Sunfish and hybrid striped bass are only stocked periodically and are harder to snag, but two marinas around the lake are fully stocked for the fisherman’s needs.

Fishing is not the only reason visitors frequent Lake Nasworthy year-round. One can easily find sailboats, wakeboards and waterskis skimming the water’s surface. Water competitions and events, including annual drag boat races topping 250-miles an hour, keeps a lively atmosphere for those seeking thrilling activities.

Lake Nasworthy also has its calmer waters. With multiple boat access ramps available to the public, water enthusiasts can slip into the lake via canoe or kayak for wildlife watching or a leisurely afternoon on the water. Local bird counts have confirmed over 300 bird species in the area since 1980. Birders with a keen eye may spot eastern bluebirds, common snipes, ring-billed gulls and belted kingfishers around the lake throughout the year.

The surrounding area is rich in natural resources, offering a mixture of gently sloping farm and rangeland, prairies and a desert-like environment around Lake Nasworthy. Streams, rivers and lakes converge and separate throughout the county, offering something for everyone. The San Angelo area has three lakes — O.C. Reservoir, Twin Buttes, and Lake Nasworthy — and offer four more within an hour’s drive. Parents looking for children’s activities can take their young ones to Lake Nasworthy’s Nature Center, which offers interactive displays, hiking trails and live animals.

While visiting Lake Nasworthy, hunting is included among many visitors’ favorite activities. Hunters looking for access to larger wildlife may find white-tailed deer, pronghorn antelope and Rio Grande turkeys. Private landowners offer exotic game on their property, including oryx antelope, axis deer and fallow deer.

Days not spent on Lake Nasworthy’s water can be spent learning about the area’s history while at Fort Concho, an army outpost dating back to 1867. San Angelo State Park, another short 15-minute drive away, offers outdoor enthusiasts other activities such as orienteering, mountain biking or horseback riding on its 7,600 acres.

Once the sun has set and the day is done, Lake Nasworthy visitors chose between staying indoors or outdoors for the night. Multiple camp sites around the lake allow campers to park themselves under the stars in the evening. For those interested in a more social atmosphere, San Angelo is a quick 15-minute drive from the lake. Swing over to a saloon for dinner or take a walk through downtown to admire murals depicting the town’s history.

For those who need a soft bed to fall into after a long day on the water, Lake Nasworthy offers both lakeside vacation rentals and real estate. Whether a family is looking to get out of the big city or a group of friends is celebrating an annual get together, memories are made in and out of the water. The city’s airport is less than five miles from the lake, making it easy for anyone to hop off the plane, out of one’s travel gear and into the lake’s welcoming embrace.

Lake Nasworthy visitors will find much to be happy with in this water setting. From watching heart-pumping sports like drag boat racing to listening to the soothing swish of a canoe paddle, Lake Nasworthy awaits those looking for escape.

Things to do at Lake Nasworthy

  • Vacation Rentals
  • Fishing
  • Boating
  • Sailing
  • Canoeing
  • Kayaking
  • Camping
  • Hiking
  • Biking
  • Horseback Riding
  • Hunting
  • Wildlife Viewing
  • Birding
  • State Park

Fish species found at Lake Nasworthy

  • Bass
  • Black Bass
  • Catfish
  • Crappie
  • Largemouth Bass
  • Striped Bass
  • Sunfish
  • White Bass
  • White Crappie

Lake Nasworthy Photo Gallery

Lake Nasworthy Statistics & Helpful Links

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Trophic State | LakeLubbers

Trophic State measures the level of algae and nutrients in a lake.

An oligotrophic lake is very clear (blue in color) and does not support much plant or fish life. A hyper-oligotrophic lake is the clearest of all lakes, and is nearly devoid of plants and fish.

A mesotrophic lake is slightly green and supports a moderate degree of plant and fish life. A lake's most desired trophic state is generally this mid-point - the mesotrophic state.

A eutrophic lake is somewhat murky and supports a large amount of plant and fish life. A hypereutrophic lake is clouded with algae, plant life, and fish life. A eutrophic or hyper-eutrophic lake can be difficult to navigate by boat - and is often an unpleasant place to swim.

The use of phosphorus-rich and nitrogen-rich fertilizer on lawns and golf courses surrounding a lake can cause it to become eutrophic or hypereutrophic.


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Catchment or Drainage Area | LakeLubbers

This is the surrounding area that drains into a lake, including land, rivers and their tributaries. This is also known as the lake's "catchment basin".

Small lakes at the highest peaks of mountains have small drainage areas. The world's oceans have the largest drainage areas.


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Lake-Area Population | LakeLubbers

This is the estimated number of people who live in a house with a view of a lake, plus those who self-describe the lake as their home, for example: "I live at Smith Mountain Lake."


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Water Residence Time | LakeLubbers

This is the estimated time that it takes for an amount of water equal to the entire volume of a lake to flow out of - or evaporate from - the lake.

Residence Time can be as short as a few days for fast-flowing small lakes, and can exceed 100 years for slow-flowing large lakes.


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Completion Year | LakeLubbers

This is the year that a reservoir was first filled to the reservoir's normal elevation - or the year that a natural lake was first dammed. A large reservoir can take more than a year to fill after its dam is first closed.

The Grand Anicut in southern India is generally considered the world's oldest dam that still operates. Grand Anicut was constructed in the second century BC. It now impounds an irrigation network that includes roughly one million acres.

You can find many of the the world's newest reservoirs on LakeLubbers. Many of the world's oldest reservoirs appear on the last page of that list.


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Water Volume | LakeLubbers

This is the estimated volume of water that a lake contains -- measured at the lake's normal elevation. By this measure, the world's largest freshwater lake is Siberia's Lake Baikal.

You can find many of the the world's largest lakes (by water volume) on LakeLubbers.

Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet.

1 acre-foot is equal to 325,851 US gallons. Siberia's Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater - nearly 1 million gallons for every living person on earth.

The other - and more widely used - measure of a lake's size is the lake's surface acreage. By that measure, the world's largest freshwater lake is North America's Lake Superior.


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Maximum Depth | LakeLubbers

This is the estimated greatest depth of the water in a lake -- measured at the lake's normal elevation. The world's deepest lake is Siberia's Lake Baikal; that lake's maximum depth is estimated at 5,314 feet.

You can find many of the the world's deepest lakes on LakeLubbers. If you select the last page of that list, you will find the (maximum depth of) the shallowest lakes in our database.


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Average Depth | LakeLubbers

This is the estimated average depth of the water in a lake -- measured at the lake's normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake's average depth can be calculated:

Water volume ÷ Surface Area = Average Depth

Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth


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Maximum Elevation | LakeLubbers

This is a lake's highest water level, measured by the lake's surface distance above sea level, that can occur during flooding. A lake's highest possible maximum elevation is usually the top of the lake's dam or spillway.

At lakes that include residential development, government regulations usually forbid the construction of homes below a lake's maximum elevation.


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Minimum Elevation | LakeLubbers

This is a lake's lowest water level, measured by the lake's surface distance above sea level, that can be reasonably expected to occur. Low lake levels can occur due to deliberate seasonal draw downs for irrigation or impending snow melt, reduced water inflows, drought and evaporation, residential or commercial water demands, and hydropower generation.

Some lakes' minimum and maximum elevations are virtually the same. Lakes that generate hydropower may vary by several feet - according to power demand. Lakes whose primary purpose is to prevent flooding can seasonally vary by 100 feet or more.

When some lakes reach their minimum elevation, their boat ramps may not be long enough to permit boat access - and boats docked on shallow parts of the lake may end up on dry ground. In those cases, kayakers and shore-based anglers may be among the few happy recreational users of the lake.


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Normal Elevation | LakeLubbers

This is a lake's normal water level, measured by the lake's surface distance above sea level. For a reservoir, this water level is also known as "full pond" or "full pool".

You can find many of the world's highest-elevated lakes on LakeLubbers. Lakes with the lowest elevations (known by LakeLubbers) are shown on the final page of that list.


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Shoreline Length | LakeLubbers

This is the length of the exterior shoreline around a lake - measured at the lake's normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal.

A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.

When known, the shoreline miles that we report in our statistics include only the lake's exterior shoreline, and exclude the shorelines of islands located within a lake's boundaries. In lakes with many islands, those islands' combined shorelines may exceed a lake's exterior shoreline.

You can find many of the world's longest-shoreline lakes on Lakelubbers.


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Surface Area | LakeLubbers

This is the area (acreage, square kilometers, etc.) of the top surface area of a lake - measured at a lake's normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America's Lake Superior is the world's largest freshwater lake by this measure.

The other measure of a lake's size is the lake's water volume. By that measure, the world's largest freshwater lake is Lake Baikal in Siberia.

You can find many of the world's largest lakes (acres) on Lakelubbers. There is no widely-accepted minimum surface area that defines a lake. What Lakelubbers describes as a lake, you might call a pond. The smallest lake that Lakelubbers currently includes is Hawaii's 2-acre Lake Waiau.


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Water Level Control | LakeLubbers

This is the organization that controls water releases or outflows from the lake or reservoir. In the USA, this is often the US Army Corps of Engineers, a power company, a municipal water system, an irrigation district, or a paper manufacturing company. In the case of private or gated lakes, a homeowners' association may be the lake's controlling authority.

Many lakes cross borders, including North America's Great Lakes. The control of such lakes and their coveted freshwater may be amicably shared - or hotly disputed.

"Water wars" continue at many lakes as growing populations and crop irrigation needs compete for the freshwater that lakes contain.


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Lake Type | LakeLubbers

There are 3 basic types of lakes that are currently included on LakeLubbers. 2 types may be dammed or not dammed, producing 5 classifications.

- A Reservoir is a man-made freshwater lake that is usually created by damming rivers.

- A Natural Freshwater Lake occurs naturally - often by glacial activity - and has a salinity of less than 30 parts per thousand. It may be dammed to produce electricity or for other reasons.

- A Natural Saltwater Lake occurs naturally and has a salinity of more than 30 parts per thousand (ppt). It may be dammed.

"Brackish" water may be categorized as freshwater or saltwater, depending on its salt content (salinity). Oligohaline water has less than 15 ppt of salt. Mesohaline water has 15-29 ppt. Polyhaline has 30-335 ppt.


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