Anne Arundell Mannor Harwood, MD
Argyle Country Club Silver Spring, MD
Bretton Woods Golf Club Germantown, MD
Burning Tree Club Bethesda, MD
Chartwell Golf & Country Club Severna Park, MD
Diamond Ridge Golf Course Woodlawn, MD
Enterprise Golf Course Mitchellville, MD
Falls Road Golf Course Potomac, MD
Fountain Head Country Club Hagerstown, MD
Fox Hollow Golf Course Timonium, MD
Glen Riddle Golf Club Berlin, MD
Harbourtowne Resort GC St. Michaels, MD
Hobbit’s Glen Golf Course Columbia, MD
Kenwood Country Club Bethesda, MD
Lake Presidential Golf Club Upper Marlboro, MD
Lakewood Country Club Rockville, MD
Laytonsville Golf Course Laytonsville, MD
Manor Country Club Rockville, MD
Northwest Park Golf Course Wheaton, MD
Ocean City Yacht and CC Berlin, MD
The P.B. Dye Golf Club Urbana, MD
Renditions Golf Club Davidsonville, MD
Poolesville Golf Course Poolesville, MD
River Marsh Golf Club Cambridge, MD
Rocky Point Golf Course Essex, MD
Sparrows Point Country Club Dundalk, MD
Talbot Country Club Easton, MD
The Greens at Hamilton Run Hagerstown, MD
Timbers at Troy Golf Course Elkridge, MD
Towson Golf and CC Towson, MD
University of Maryland GC College Park, MD
US Naval Academy GC Annapolis, MD
Whiskey Creek Golf Club Urbana, MD
Woodmont Country Club (North) Rockville, MD
Bowie Golf Club Bowie, MD
Army Navy Country Club Arlington and Fairfax, VA
Augustine Golf Club Stafford, VA
Bay Creek Golf Club Cape Charles, VA
Belle Haven Country Club Alexandria, VA
Bide-A-Wee Golf Course Portsmouth, VA
Blue Ridge Shadows Golf Course Front Royal, VA
Bryce Resort Basye, VA
Burke Lake GC Fairfax Station, VA
Chantilly National Golf and CC Chantilly, VA
Creighton Farms Golf Club Aldie, VA
Fort Belvoir GC Fort Belvoir, VA
Hanover Country Club Ashland, VA
Hermitage Country Club Richmond, VA
Herndon Centennial Golf Course Herndon, VA
James River Country Club Newport News, VA
Keswick Club Keswick, VA
Lake of the Woods Golf Course Locust Grove, VA
Lakeview Golf Course Harrisonburg, VA
Laurel Hill Golf Course Lorton, VA
Mount Vernon Country Club Alexandria, VA
Old Hickory Golf Club Prince William County, VA
Packsaddle Ridge GC Keezletown, VA
Prince William GC Nokesville, VA
River Bend Country Club Great Falls, VA
Stonewall Golf Club Gainesville, VA
Suffolk Golf Course Suffolk, VA
Twin Lakes Golf Course Clifton, VA
Winchester Country Club Winchester, VA
Bayside Golf Club Fenwick Island, DE
Cripple Creek Country Club Bethany Beach, DE
Frog Hollow Golf Club Middletown, DE
Garrisons Lake GC Smyrna, DE
Links at St Anne’s Middletown, DE
Peninsula Golf and CC Millsboro, DE
Plantation Lakes Golf Course Millsboro, DE
Rehoboth Beach Country Club Rehoboth Beach, DE
Ballamor Golf Club Egg Harbor Township, NJ
Due Process Stable Colts Neck, NJ
Eagle Oaks Golf and CC Farmingdale, NJ
Eagle Ridge Golf Club Lakewood, NJ
Hopewell Valley GC Hopewell, NJ
Mercer Oaks Golf Course Princeton Junction, NJ
Old Bridge GC Old Bridge, NJ
Pine Valley Golf Club Pine Valley, NJ
Scotland Run Golf Club Williamstown, NJ
Seaview Golf Resort (Bay Course) Galloway, NJ
Shark River Golf Course Neptune City, NJ
The Shore Club Cape May Township, NJ
Westlake Golf and CC Jackson Township, NJ
Allentown Municipal GC Allentown, PA.
Bon Air Country Club Glen Rock, PA.
Brookside Golf Club Pottstown, PA
Five Ponds Golf Course Warminster, PA
Hershey Country Club (East) Hershey, PA
Inniscrone Golf Club Avondale, PA
Lebanon Country Club Lebanon, PA
Northampton Valley Country Club Northampton Township, PA
Outdoor Country Club York, PA
Overbrook Golf Club Villanova, PA
Penn National Golf Club (Founders) Fayetteville, PA
Wyoming Valley Country Club Wilkes Barre, PA
Old York Road CC Ambler, PA
Chester Valley CC Malvern, PA
Duxbury Yacht Club Duxbury, MA
Falmouth Country Club Falmouth, MA
Furnace Brook GC Quincy, MA
Eaglewood Resort Golf Course Itasca, IL
Stonehaven Golf Course Beckley, WV
Murder Rock Country Club Hollister, MO
Sandwich Hollows GC Sandwich, MA
Hempstead Golf and CC Hempstead, NY
Hillandal Park Montgomery County, MD
Jennie Dean Park Arlington, VA
Ken-Gar Park Montgomery County, MD
Laurel Park Race Track Laurel, MD
Laytonia Recreational Park Gaithersburg, MD
Martin Luther King, Jr., Recreational Park Silver Spring, MD
Montgomery Blair High School Silver Spring, MD
Northwest Branch Recreational Park Colesville, MD
Poplar Tree Park Fairfax County, VA
North Four Corners Local Park Silver Spring, MD
Silver Spring International Middle School Silver Spring, MD
White Oak Community Recreation Center Silver Spring, MD
Avenel Local Park Potomac, MD
Braddock Park Clifton, VA
Rollins Ford Community Park Nokesville, VA
Wheaton Regional Park Silver Spring, MD
Jennie Dean Park Arlington, VA
Kingsman Field Washington, DC
Hagerstown Fairgrounds Hagerstown, MD
Avion Corporate Park Chantilly, VA
Carnegie Library Washington, DC
Cannon House Office Building Washington, DC
Calverton National Cemetery Suffolk County, NY
Zitkala-Sa Park Arlington, VA
North Mississippi Veterans Memorial Cemetery Kilmichael, MS
Long Island National Cemetery Nassau County, NY
Mississippi Veterans Memorial Cemetery Newton, MS
Sarasota National Cemetery Sarasota, FL
Memphis National Cemetery Memphis, TN
Hal and Berni Hanson Regional Park Loudoun County, VA. Groundwater well system.
The Arboretum at Penn State State College, PA
King Abdullah Academy Herndon, VA
Route 100 Regional Wastewater Treatment Plant Upper Uwchlan Township, PA
Angola Beach and Estates Lewes, DE