Water Distribution Service Companies
| Temple Water Plant (Temple, OK)
Primarily Serving: Wichita Falls, TX - Lawton, OK - Norman, OK - Oklahoma City, OK |
| Texas Water Svc (Spicewood, TX)
Primarily Serving: Cedar Park, TX - Austin, TX - Round Rock, TX - Georgetown, TX |
| Thermopolis Water Plant (Thermopolis, WY)
Primarily Serving: Casper, WY - Billings, MT - Idaho Falls, ID - Pocatello, ID |
| Thomas Hill Public Water Supl (Moberly, MO)
Primarily Serving: Columbia, MO - O Fallon, MO - Blue Springs, MO - Saint Peters, MO |
| Thurmont Water Co (Thurmont, MD)
Primarily Serving: Frederick, MD - Germantown, MD - Gaithersburg, MD - Charles Town, WV |
| Timberon Water District (Timberon, NM)
Primarily Serving: Las Cruces, NM - El Paso, TX - Albuquerque, NM - Rio Rancho, NM |
| Tohopekaliga Water Authority (Kissimmee, FL)
Primarily Serving: Orlando, FL - Lakeland, FL - Sanford, FL - Deltona, FL |
| Tonopah Public Utilities (Tonopah, NV)
Primarily Serving: Carson City, NV - Clovis, CA - Visalia, CA - Fresno, CA |
| Town of New Castle Sewer (New Castle, CO)
Primarily Serving: Grand Junction, CO - Jefferson, CO - Boulder, CO - Arvada, CO |
| Town of Niskayuna (Schenectady, NY)
Primarily Serving: Albany, NY - Utica, NY - Chicopee, MA - Springfield, MA |
| Town of Ridgeville (Ridgeville, SC)
Primarily Serving: North Charleston, SC - Charleston, SC - Mount Pleasant, SC - Columbia, SC |
| Town of Stockbridge (Stockbridge, MA)
Primarily Serving: Albany, NY - Chicopee, MA - Springfield, MA - Bristol, CT |
| Trent Severn (Cypress, TX)
Primarily Serving: Houston, TX - Sugar Land, TX - Conroe, TX - Montgomery, TX |
| Tridell Lapoint Water District (Tridell, UT)
Primarily Serving: Provo, UT - Orem, UT - Sandy, UT - Salt Lake City, UT |
| Tripp County Water Dist (Winner, SD)
Primarily Serving: Sioux Falls, SD - Rapid City, SD - Sioux City, IA - Lincoln, NE |
| Tulare Lake Basin Wtr Storage (Corcoran, CA)
Primarily Serving: Tulare, CA - Hanford, CA - Visalia, CA - Delano, CA |
| Tuskegee City Utilities Board (Tuskegee, AL)
Primarily Serving: Auburn, AL - Montgomery, AL - Columbus, GA - Dothan, AL |
| U S Water/Lexingtion Missouri (Lexington, MO)
Primarily Serving: Blue Springs, MO - Independence, MO - Lees Summit, MO - Kansas City, MO |
| Union City Municipal (Union City, OK)
Primarily Serving: Oklahoma City, OK - Edmond, OK - Norman, OK - Lawton, OK |
| Union City Water Co (Union, SC)
Primarily Serving: Rock Hill, SC - Greenville, SC - Gastonia, NC - Columbia, SC |
| United Water New Jersey (Englishtown, NJ)
Primarily Serving: New Brunswick, NJ - Edison, NJ - Trenton, NJ - Toms River, NJ |
| United Water Rahway (Rahway, NJ)
Primarily Serving: Elizabeth, NJ - Union, NJ - Staten Island, NY - Edison, NJ |
| Upper Mohawk Vly Regl Water (Utica, NY)
Primarily Serving: Syracuse, NY - Clay, NY - Schenectady, NY - Albany, NY |
| Upper Platte & Beaver Canal Co (Log Lane Village, CO)
Primarily Serving: Greeley, CO - Thornton, CO - Aurora, CO - Longmont, CO |
| Uxbridge Water Div (Uxbridge, MA)
Primarily Serving: Worcester, MA - Pawtucket, RI - Framingham, MA - Providence, RI |
