Koontz Lake, Indiana, USA

Lake Locations:

USA - Midwest - Indiana - North -

Also known as:  Woodworth's Lake

A jewel among the rolling fields of the Indiana prairie, Koontz Lake is a much-loved destination for generations of visitors. Located in Indiana’s Northern Region, Koontz Lake has been delighting residents and visitors alike since the mid-1800s. Originally a smaller kettle lake (some say two lakes) scraped into the earth by retreating glaciers, the small outlet stream was dammed in 1848; a local settler, Samuel Koontz constructed the dam to power a sawmill. The rising water connected the two lakes into one. What used to be called Woodworth’s Lake became 346-acre Koontz Lake. By 1915, there were a large number of cottages being built at the west end of the lake. Natural huckleberry marshes lined the north shore and, during berry season, people brought their tents and camped out. Apparently, the tent encampments became increasingly rowdy in later years until the marsh burned under suspicious circumstances – ending the huckleberry camps.

Originally spring-fed, Koontz Lake now gains most of its water from two ditches constructed to drain surrounding farmland. The northern Indiana area was originally about 25% wetlands, but extensive ditching to reclaim farmland has severely reduced these wetlands. The run-off from the new fields has also degraded water quality in Koontz Lake over the years. Residents have worked tirelessly with environmentalists and the State of Indiana to rectify problems affecting lake water quality, with marked success. A 58-acre wetland along the north shore is open to visitors and best toured by canoe. It contains one of northwest Indiana’s largest tamarack bogs – unusual deciduous conifers that are more typical of Canada than Indiana. The Koontz Lake Wetland Conservation Area has inspired lake residents to work actively to restore water quality. The Conservation area is open for hunting during selected seasons also.

Koontz Lake is an all-sports lake; residents and visitors engage in boating, pontooning, waterskiing, jet-skiing, tubing, canoeing, kayaking and wakeboarding. There is a public swimming beach and public boat launch with handicapped access. A marina provides boating necessities and gas. The Koontz Lake community is accustomed to visitors booking vacation rentals at the lake and has worked to assure their comfort. A park with picnic shelters and ball field, library and restaurants provide off-water services. Only four miles south of Walkerton, Koontz Lake is near critical amenities yet self-contained enough for day-to-day comfort. The Koontz Lake Association sponsors activities such as the annual Float-A-Rama over the 4th of July weekend, with decorated rafts and paddleboat races for the children.

Koontz Lake is well-known as a fishing lake. The primary species caught are bluegill and largemouth bass but crappie, perch, catfish, redear and the occasional northern pike are also taken. Bass tournaments are held here annually, and ice fishing is popular in winter. Indiana Department of Natural Resources selectively plants fingerlings based upon on-going fish surveys. Several golf courses are located within a ten-mile radius. Horseback riding stables are located nearby, and the country roads lend themselves to hiking, mountain biking and nature enjoyment.

Potato Creek State Park is located about 15 miles northeast of Koontz Lake. This popular camping area offers hiking, mountain biking, horseback riding trails and wildlife viewing areas. The lake within the park offers fishing and rents fishing equipment, boats, canoes and kayaks. About 25 miles from the lake, South Bend offers a variety of cultural activities centered around the University of Notre Dame. A perennial favorite among sports fans, the College Football Hall of Fame is filled with pictures, clips of famous plays and trivia about college games. Video monitors replay historical plays and games. Interactive exhibits allow visitors to test their punting, passing, agility and blocking skills. And what Notre Dame fan could resist rooting for the Fighting Irish on their home turf? Also in the campus area, Snite Museum of Art presents collections of art and art education activities for visitors. Also in South Bend, the Studebaker National Museum has a collection of these legendary automobiles and maintains the records of both the defunct Studebaker and Packard companies. The preserved advertising, art, films and memorabilia will delight the automotive fan.

Forty-five miles northwest of Koontz Lake, Indiana Dunes National Lakeshore encompasses 15 miles of Lake Michigan Beach. Over 350 species of birds have been sighted in the park. The park contains sand dunes, rivers, prairies, oak savannas, woodland forests, bogs, fens, marshes, swamps and over 90 threatened of endangered species of plants. The park is known for its ‘singing sands’; a particular type of sand that emits sound in response to wind under certain circumstances.

Koontz Lake has a variety of private vacation rentals. Reservations are recommended well in advance of holiday week-ends as many people return year after year for their summer vacation. Real estate is often available around the lake. Some properties have lake frontage or gorgeous lake views. So, make the trip to Koontz Lake for your next holiday. Enjoy a sleepy, lake-centered vacation in a community where the main mode of transportation is the golf cart and the main focus of conversation is whether the fish are biting. Within a week, it’s like you’ve always lived here. And you’ll be planning your next escape to Koontz Lake.

Things to do at Koontz Lake

  • Vacation Rentals
  • Fishing
  • Fishing Tournaments
  • Ice Fishing
  • Boating
  • Swimming
  • Beach
  • Canoeing
  • Kayaking
  • Jet Skiing
  • Water Skiing
  • Wakeboarding
  • Tubing
  • Golf
  • Camping
  • Picnicking
  • Hiking
  • Biking
  • Horseback Riding
  • Hunting
  • Wildlife Viewing
  • Birding
  • State Park
  • Museum

Fish species found at Koontz Lake

  • Bass
  • Black Bass
  • Bluegill
  • Catfish
  • Crappie
  • Largemouth Bass
  • Northern Pike
  • Perch
  • Pike
  • Redear Sunfish (Shellcracker)
  • Sunfish

Koontz Lake Photo Gallery

    Koontz Lake Statistics & Helpful Links

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    Lake Type: Natural Freshwater Lake, Dammed

    Surface Area: 346 acres

    Shoreline Length: 7 miles

    Normal Elevation (Full Pond): 719 feet

    Average Depth: 11 feet

    Maximum Depth: 31 feet

    Water Volume: 3,183 acre-feet

    Drainage Area: 7 sq. miles

    Trophic State: Mesotrophjic

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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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