A list of watermills in the United States:
Working mills
- Alabama
- Kymulga Mill, Childersburg
- War Eagle Mill, Rogers, built 1832 and still in operation commercially as an undershot grist mill
- California
- Bale Grist Mill, Napa
- Forbes Mill, Los Gatos
- Connecticut
- Main Sawmill, Ledyard, Connecticut
- Georgia
- Historic mills of the Atlanta area
- Old Mill at Berry College, Rome
- Nora Mill at Helen, Georgia
- Illinois
- Graue Mill and Museum, Oak Brook
- Indiana
- Bonneyville Mill, Bristol, Indiana; built mid 1830s and still operates May through October (see Elkhart County Parks and Recreation)
- Mansfield Roller Mill, Mansfield, Built in 1820. Currently operated by Indiana DNR.
- Metamora Grist Mill, Metamora, built in 1899 and restored in 1970. Produces high quality stone-ground corn meal.
- Spring Mill State Park, Mitchell
- Stockdale Mill, Roann
- Bridgeton Mill (Bridgeton, Indiana) Family owned and operating est. 1823
- Greenfield Mills (Near Howe, Indiana) Family owned and operating.
- Iowa
- Pine Creek Gristmill, Wildcat Den State Park, near Muscatine
- Kentucky
- Mill Springs Overshot Waterwheel located at Mill Springs Park, located in Mill Springs, Kentucky. The current mill built in 1877 on the site of a previous mill. Currently owned and operated as a park by the United States Army Corps of Engineers. The wheel has a diameter of 40 feet, 10 inches, and a breast of three feet. Powered by 13 natural springs located beside the mill, it is thought to be one of the largest of its kind in the world.
- Maine
- Bog Mill, Buxton
- Maine Forest & Logging Museum also known as Leonard's Mills, has Maine's only operational saw mill.
- Morgan's Mills in Union, Maine produces wholesale grist mill products.
- Scribner's Mills in Harrison, Maine is working on reconstructing an up-and-down sawmill.
- Maryland
- Wye Mill c.1682 The oldest continuously operating grist mill in the United States. Supplied flour to George Washington's Continental Army. One of the first grist mills to be automated by Oliver Evans. The Oliver Evans process equipment is still in use at the Wye Mill. Open mid-April to mid-November. www.oldwyemill.org
- Massachusetts
- Dexter Grist Mill, Sandwich
- Jenney Grist Mill, Plymouth
- Wayside Inn Grist Mill, Sudbury
- Michigan
- Pears Mill, Buchanan
- Minnesota
- Pickwick Mill, Pickwick, built 1858 and still operational
- Mississippi
- Sciple's Water Mill in Kemper County, built in 1790 and owned by four families over the next fifty years. The Sciple family bought the property in about 1840 and has kept it running ever since. This mill also ginned cotton and sawed lumber until the 1950s.
- Missouri
- Hodgson Mill, Ozark County
- Bollinger Mill, Burfordville
- Dillard Mill, Crawford County
- Nebraska
- Florence Mill, Omaha
- New Hampshire
- Littleton Grist Mill, Littleton
- Sanborn grist and saw mill, Loudon now known as Sanborn Farm Mills
- New Jersey
- Cooper Mill, Chester
- New York
- Mill Dam Bridge (tide mill), Centerport
- Roslyn Grist Mill, Roslyn
- Stony Brook Grist Mill, Stony Brook
- Tuthilltown Gristmill, Gardiner
- Enfield Falls Mill and Miller's House, Enfield
- North Carolina
- Emmett Isaacs Mill, Surry County
- Gwynn Valley Camp Mill, Brevard, Transylvania County
- Mingus Mill, Cherokee
- Old Mill of Guilford, Oak Ridge, Fully operational water-powered grist mill. Founded in 1767, moved 500 feet downstream to current location in 1819. According to legend, Revolutionary War British troops seized the original mill prior to the Battle of Guilford Courthouse in March 1781.
- West Point Mill, Durham
- Yates Mill, Wake County
- Ohio
- Bear's Mill
- Clifton Mill, Clifton, one of the oldest grist mills still in operation
- Indian Mill, Upper Sandusky
- Oregon
- Thompson's Mills, Shedd, OR, 1858, on the Calapooia River, now an Oregon State Heritage Site, Thompson's Mills State Heritage Site
- Butte Creek Mill, Eagle Point, OR, 1872, Little Butte Creek
- Pennsylvania
- Bohrmans Mill, near Orwigsburg
- The Mill at Anselma (Lightfoot Mill), Chester Springs
- Newlin Mill Complex, Concordville
- Shoaff's Mill, Little Buffalo State Park, Perry County
- McConnell's Mill, McConnells Mill State Park, Lawrence County, Pennsylvania
- Rhode Island
- Carpenter's Grist Mill, Perryville
- Kenyon's Grist Mill, West Kingston
- South Carolina
- Boykin Mill, Boykin, an operating grist mill where meal and grits have been ground by water power for over 150 years.
- Price's Mill, Parksville
- Suber's Corn Mill, Greer, built in 1908 by Walter Hillary Suber. It was constructed on 100 acres (0.40Â km2) that was passed down from his father, James Ashfield Suber, who was a Civil War veteran. This was one of five mills within a 10-mile (16Â km) radius in the early 1900s.
- Tennessee
- Cable Mill at Cades Cove, Great Smoky Mountains National Park
- Falls Mill, Belvidere (has a bed and breakfast plus museum)
- Pigeon Forge Mill, Pigeon Forge
- Rice Grist Mill, Rocky Top, Norris Dam State Park
- Gap Creek Mill at Cumberland Gap, The Olde Mill Inn Bed & Breakfast
- Virginia
- Burwell-Morgan Mill, Millwood, built in 1782â"85, still grinding a variety of grains, powered by an indoor waterwheel
- Causey's Mill, Causey Mill Park, Newport News
- George Washington's Gristmill, Mount Vernon
- Kennedy-Wade Mill, Raphine
- Washington
- Cedar Creek Grist Mill, Washington
- West Virginia
- Glade Creek Grist Mill in Babcock State Park, Fayette County
- Wisconsin
- Cedarburg Mill, Cedarburg
- Concordia Mill, Cedarburg
Ruined, remnant, or partially preserved gristmills
- Boshell's Mill, Townley, Alabama
- Gurleyville Grist Mill, Mansfield, Connecticut
- Cooch-Dayett Mills, Newark, Delaware a mill complex since the 1700s, the only remaining mill was built in 1838 by William Cooch, Jr.
- Dingley's Mill, Green Valley, Fairfield, CA. 1850, in ruins now. 40 water wheel. http://www.bellavistaranch.net/suisun_history/dingley_mill-dingler.html
- Greenbank Mill, Marshallton, Delaware has been restored as a museum
- Hearn's Mill, Seaford, Delaware
- Ward Spoke Mill, in ruins on Upper Pike Creek Road in Newark, Delaware
- Blantons Mill, Blanton Mill Rd. Griffin, Ga, restored as an office on the banks of the Flint River, built around the early 1800s
- Wapsipinicon Grist Mill in Independence, Iowa; owned by the Buchanan County Historical Society
- Matthews Mill, Union, ME. Built circa 1850, now an endangered local landmark
- Marine Mill, Marine on St. Croix, Minnesota, operated 1839â"1895, ruins preserved in a park
- Mill Ruins Park, Minneapolis, Minnesota
- Pillsbury A Mill, Minneapolis, Minnesota
- Falling Spring Mill, New Liberty, Missouri
- Greer Mill, Greer, Missouri slated for restoration by U.S. National Forest Service
- Turner Mill, Surprise, Missouri
- Lawrence Brook Mill, Milltown, New Jersey
- Elkin Creek Mill, Elkin, North Carolina
- Emlenton Mill, Venango County, Pennsylvania destroyed by fire in 2015
- Fought's Mill, Pennsylvania
- Price's Mill, Parksville, South Carolina
- GT Wilburn Grist Mill, Fall River, Tennessee
- Saffold Mill, Seguin Texas
- Causey's Mill, Virginia
- Swift Creek Mill, Chesterfield County Virginia, a circa 1663 grist mill now operated as a professional nonprofit theatre
- Thorp Mill, Thorp, Washington
- Peirce Mill, Washington, D.C.
- Audra State Park, West Virginia
- Valley Falls State Park, West Virginia
- Hilgen and Wittenberg Woolen Mills, Cedarburg, Wisconsin
- McMullins Mill, former circa 1810? McMullan Rice Plantation mill on Rice Mill Road and Lewis St, Hartwell,Georgia
See also
- Watermill
- List of watermills
- Gristmill