Water Distribution Service Companies
| Ladonia Water Supply (Ladonia, TX)
Primarily Serving: McKinney, TX - Allen, TX - Rowlett, TX - Plano, TX |
| Lady Smith Water Co (Ruther Glen, VA)
Primarily Serving: Richmond, VA - Burke, VA - Centreville, VA - Alexandria, VA |
| Laguna Madre Water District (Port Isabel, TX)
Primarily Serving: Brownsville, TX - Harlingen, TX - Edinburg, TX - Pharr, TX |
| Lake Colley's Warden (Inman, SC)
Primarily Serving: Greenville, SC - Asheville, NC - Gastonia, NC - Rock Hill, SC |
| Lakeside Water District (Lakeside, OR)
Primarily Serving: Eugene, OR - Springfield, OR - Corvallis, OR - Medford, OR |
| Lakeside Water District (Lakeside, CA)
Primarily Serving: El Cajon, CA - Santee, CA - La Mesa, CA - San Diego, CA |
| Lamar County Water Authority (Barnesville, GA)
Primarily Serving: Macon, GA - Warner Robins, GA - Atlanta, GA - Smyrna, GA |
| Lanier Municipal Supply Co (Saint Augustine, FL)
Primarily Serving: Palm Coast, FL - Jacksonville, FL - Daytona Beach, FL - Port Orange, FL |
| Lansford-Coaldale Joint Water (Lansford, PA)
Primarily Serving: Allentown, PA - Bethlehem, PA - Reading, PA - Scranton, PA |
| Lawrenceburg Water Co (Lawrenceburg, KY)
Primarily Serving: Lexington, KY - Louisville, KY - Cincinnati, OH - Hamilton, OH |
| Lawrenceville Water Co (Trenton, NJ)
Primarily Serving: Levittown, PA - New Brunswick, NJ - Camden, NJ - Philadelphia, PA |
| Lehighton Borough Water Auth (Lehighton, PA)
Primarily Serving: Allentown, PA - Bethlehem, PA - Reading, PA - Scranton, PA |
| Lewis County Water Sewer Dist (Mossyrock, WA)
Primarily Serving: Graham, WA - Lakewood, WA - Tacoma, WA - Enumclaw, WA |
| Lewiston Water & Sewer Div (Lewiston, ME)
Primarily Serving: Portland, ME - Manchester, NH - Haverhill, MA - Lawrence, MA |
| Liberty Hill Water Supply (Liberty Hill, TX)
Primarily Serving: Georgetown, TX - Cedar Park, TX - Round Rock, TX - Killeen, TX |
| Ligonier Municipal Water Auth (Ligonier, PA)
Primarily Serving: Pittsburgh, PA - Youngstown, OH - Charles Town, WV - Frederick, MD |
| Lipan Water Works (Lipan, TX)
Primarily Serving: Fort Worth, TX - North Richland Hills, TX - Arlington, TX - Euless, TX |
| Lisbon City Water Plant (Lisbon, ND)
Primarily Serving: Fargo, ND - Grand Forks, ND - Bismarck, ND - Saint Cloud, MN |
| Little Elm Public Works (Little Elm, TX)
Primarily Serving: Frisco, TX - Lewisville, TX - Denton, TX - Flower Mound, TX |
| Little Falls Water Works (Little Falls, MN)
Primarily Serving: Saint Cloud, MN - Minnetonka, MN - Minneapolis, MN - Eden Prairie, MN |
| Livco Water & Sewer Co (Concho, AZ)
Primarily Serving: Flagstaff, AZ - Mesa, AZ - Scottsdale, AZ - Gilbert, AZ |
| Llano Estacado Underground Wtr (Seminole, TX)
Primarily Serving: Midland, TX - Odessa, TX - Lubbock, TX - San Angelo, TX |
| Logan Water Works (Logan, OH)
Primarily Serving: Columbus, OH - Springfield, OH - Dayton, OH - Canton, OH |
| Lompoc Water Svc (Lompoc, CA)
Primarily Serving: Santa Maria, CA - Goleta, CA - Santa Barbara, CA - Ventura, CA |
| Lower Colorado Authority (Tow, TX)
Primarily Serving: Killeen, TX - Cedar Park, TX - Georgetown, TX - Round Rock, TX |
