We found 40 public water systems in King William county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| West Point, Town Of | County of King William | 3,000 | 0 | 2 |
| Acquinton/hamilton Holmes | County of King William | 1,760 | 0 | 12 |
| Central Garage Water System | County of King William | 1,240 | 0 | 2 |
| Fas Mart #33 | County of King William | 1,000 | 0 | 0 |
| Oak Springs | County of King William | 948 | 0 | 3 |
| Hamilton-homes School | King William | 800 | 0 | 0 |
| King William High School | County of King William | 750 | 0 | 0 |
| Rennies | County of King William | 500 | 0 | 0 |
| Venter Heights Subdivision | County of King William | 350 | 0 | 3 |
| Smurfit Stone Mill | County of King William | 250 | 0 | 0 |
| Pamunkey Ridge Camp (main Well) | County of King William | 220 | 0 | 10 |
| Pamunkey Ridge Camp (equestrian Well) | County of King William | 220 | 0 | 5 |
| Cedar Crest | County of King William | 208 | 0 | 0 |
| King William County Park | County of King William | 200 | 0 | 2 |
| WOODRUFF SUBDIVISION | County of King William | 150 | 0 | 5 |
| Fun Farm Centers | County of King William | 112 | 0 | 0 |
| Marle Hill Section 3 | County of King William | 108 | 0 | 0 |
| Horseshoe Inn | County of King William | 100 | 0 | 0 |
| Anna's Pizza & Subs | County of King William | 100 | 0 | 0 |
| Sharon Road Shopping Center | County of King William | 100 | 0 | 0 |
| M & M Pizza | County of King William | 100 | 0 | 0 |
| Marle Hill Subdivision | County of King William | 90 | 0 | 0 |
| Camp Kiwanis | King William | 80 | 0 | 0 |
| Fontainbleau Industrial Park | County of King William | 80 | 0 | 0 |
| Guardian Angels Day Care | County of King William | 75 | 0 | 0 |
| Braxtons Landing | County of King William | 65 | 0 | 0 |
| Aylett Exxonservice Station | King William | 60 | 0 | 0 |
| Mt. Olive Church Comm. Well Co | County of King William | 60 | 0 | 0 |
| Black Creek Subdivision | County of King William | 55 | 0 | 0 |
| Old King William Courthouse | County of King William | 50 | 0 | 0 |
| New King William Courthouse | County of King William | 50 | 0 | 0 |
| Smurfit/stone Sawmill | County of King William | 44 | 0 | 0 |
| Aylett Drive-in | County of King William | 40 | 0 | 0 |
| Annas Pizza & Subs | County of King William | 40 | 0 | 0 |
| Little Disciples Day Care | County of King William | 30 | 0 | 0 |
| Lot 2 Commerce Park Commons | County of King William | 25 | 0 | 0 |
| King William Industrial Park | County of King William | 25 | 0 | 0 |
| Slade Dale, Llc | County of King William | 25 | 0 | 0 |
| ZOMAT, INC. | County of King William | 25 | 0 | 0 |
| King William Hgwy Dept | King William | 16 | 0 | 0 |