We found 22 public water systems that could serve the same population as Ashburton (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Baltimore City-bureau Water Su | County of Baltimore City | 1,755,000 | 0 | 0 |
| City Of Baltimore | Baltimore | 1,600,000 | 62 | 6 |
| Baltimore City Municipal Works | Baltimore | 500,000 | 0 | 0 |
| Baltimore City Municipal Works | Baltimore | 500,000 | 0 | 0 |
| Lake Village Townhouses | County of Baltimore City | 2,560 | 0 | 0 |
| Johns Hopkins Hospital | County of Baltimore City | 2,000 | 0 | 2 |
| Sherwood Forest Company | County of Baltimore City | 1,400 | 0 | 0 |
| Victor Cullen School | County of Baltimore City | 275 | 0 | 0 |
| Crestwood Mobile Home Park | County of Baltimore City | 240 | 0 | 0 |
| Crestwood Mobile Home Park | County of Baltimore City | 240 | 0 | 0 |
| Camp Shadowbrook (camp) | County of Baltimore City | 200 | 0 | 0 |
| Apostolic Towers | County of Baltimore City | 200 | 0 | 11 |
| The Neighborhoods At St. Elizabeth | County of Baltimore City | 162 | 0 | 0 |
| Poplar Hill Correctional Camp | County of Baltimore City | 145 | 0 | 0 |
| Browning-ferris Industries | County of Baltimore City | 25 | 0 | 0 |
| Little Slipper Nursery | County of Baltimore City | 25 | 0 | 0 |
| Wildwood A.a. Inc. | County of Baltimore City | 25 | 0 | 0 |
| Woodlawn Country Club | County of Baltimore City | 25 | 0 | 0 |
| Hilltop Inn | County of Baltimore City | 25 | 0 | 0 |
| White Mountain Creamery | County of Baltimore City | 25 | 0 | 0 |
| Rayville Store | County of Baltimore City | 25 | 0 | 0 |
| American Legion #34 (del.) | County of Baltimore City | 25 | 0 | 0 |