We found 116 public water systems that could serve the same population as Interstate-81 Rest Area (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mountain View | County of Botetourt | 2,512 | 0 | 0 |
| Greenfield | Fincastle | 1,799 | 17 | 0 |
| Botetourt East | County of Botetourt | 1,662 | 0 | 0 |
| Rainbow Forest | County of Botetourt | 1,625 | 0 | 0 |
| Buchanan, Town Of | County of Botetourt | 1,220 | 0 | 3 |
| Ashley Plantation | County of Botetourt | 996 | 0 | 3 |
| Fincastle, Town Of | County of Botetourt | 952 | 0 | 6 |
| Lord Botetourt H S Jim Rickman | Botetourt | 883 | 0 | 0 |
| Tinkerview Gardens | County of Botetourt | 804 | 0 | 0 |
| Oakwood/parkview | County of Botetourt | 605 | 0 | 22 |
| Williamsburg Court | County of Botetourt | 580 | 0 | 0 |
| James River High School | County of Botetourt | 575 | 0 | 3 |
| Highland Manor | County of Botetourt | 538 | 0 | 0 |
| Colonial Elementary School | County of Botetourt | 518 | 0 | 9 |
| White Oak Estates | County of Botetourt | 485 | 0 | 3 |
| Cloverdale | County of Botetourt | 448 | 0 | 0 |
| Troutville, Town Of | County of Botetourt | 433 | 0 | 7 |
| Brookfield | County of Botetourt | 415 | 0 | 6 |
| Wattstull Shell | County of Botetourt | 350 | 0 | 0 |
| Stratford Place | County of Botetourt | 333 | 0 | 0 |
| Forest Lake (hub Water Co.) | County of Botetourt | 332 | 0 | 0 |
| Cloverdale Elem | Botetourt | 320 | 0 | 0 |
| Rosemae Gardens/runaway Village | Botetourt | 320 | 0 | 0 |
| Blue Ridge Heights | County of Botetourt | 315 | 0 | 0 |
| Clearview Estates | County of Botetourt | 307 | 0 | 0 |
| Eagle Rock | County of Botetourt | 300 | 0 | 11 |
| Wattstull Motel | County of Botetourt | 300 | 0 | 8 |
| Limestone Park Ministries | County of Botetourt | 300 | 0 | 0 |
| Buchanan Texaco | Botetourt | 300 | 0 | 0 |
| Daleville | County of Botetourt | 300 | 0 | 0 |
| Tyler Properties | County of Botetourt | 300 | 0 | 0 |
| Gala Industries, Inc. | County of Botetourt | 250 | 0 | 6 |
| Troutville Elementary School | County of Botetourt | 250 | 0 | 3 |
| Botetourt Vocational School | Botetourt | 250 | 0 | 0 |
| Doc's Deli | Botetourt | 250 | 0 | 0 |
| Cedar Ridge | County of Botetourt | 228 | 0 | 0 |
| Botetourt Golf And Swim Club | County of Botetourt | 225 | 0 | 10 |
| Apple Tree 3 Dewey Holdaway | Botetourt | 220 | 0 | 0 |
| Heatherstone | County of Botetourt | 215 | 0 | 2 |
| Camp Bethel | County of Botetourt | 200 | 0 | 11 |
| Middle Creek Campground | County of Botetourt | 200 | 0 | 14 |
| Mcfarland Properties | County of Botetourt | 200 | 0 | 2 |
| Traveltown Motel | County of Botetourt | 200 | 0 | 0 |
| Roanoke Cement Company | County of Botetourt | 190 | 0 | 6 |
| Eagle Rock Elementary School | County of Botetourt | 180 | 0 | 5 |
| Mountainview C/o Mattern&craig | Botetourt | 180 | 0 | 0 |
| Runaway Village Dewey Holdaway | Botetourt | 180 | 0 | 0 |
| Hollins Mobile Home Park | County of Botetourt | 175 | 0 | 9 |
| Sommersby | County of Botetourt | 164 | 0 | 7 |
| Botetourt Forest | County of Botetourt | 160 | 0 | 0 |
| Glen Wilton | County of Botetourt | 150 | 0 | 3 |
| North Star Restaurant | County of Botetourt | 150 | 0 | 5 |
| Greenwood Restaurant | County of Botetourt | 150 | 0 | 7 |
| New Hope Baptist Church | County of Botetourt | 150 | 0 | 0 |
| Nannies Market | County of Botetourt | 150 | 0 | 0 |
| Wetherwood | County of Botetourt | 150 | 0 | 0 |
| Santillane | County of Botetourt | 147 | 0 | 2 |
| British Woods | County of Botetourt | 135 | 0 | 5 |
| Subway (texaco Station) | County of Botetourt | 130 | 0 | 9 |
| Peaks Of Otter | County of Botetourt | 126 | 0 | 1 |
| Mill Creek Child Care | County of Botetourt | 125 | 0 | 19 |
| Mountain Crest | County of Botetourt | 114 | 0 | 0 |
| Coyner Springs | County of Botetourt | 110 | 0 | 0 |
| Brughs Mill Country Store | County of Botetourt | 100 | 0 | 0 |
| Dal-nita Hills | County of Botetourt | 100 | 0 | 0 |
| Griffith Park | County of Botetourt | 100 | 0 | 0 |
| Shelor Chevron | Botetourt | 100 | 0 | 0 |
| Maw & Paws Diner | County of Botetourt | 100 | 0 | 0 |
| East Park Commerce Center | County of Botetourt | 100 | 0 | 0 |
| Gala Snack Shop | Botetourt | 100 | 0 | 0 |
| Mid-state Oil Co | Botetourt | 100 | 0 | 0 |
| Oak Crest Forest D Holdaway | Botetourt | 100 | 0 | 0 |
| Camp Fincastle | County of Botetourt | 80 | 0 | 0 |
| Cave Creek Assisted Living Facility | County of Botetourt | 77 | 0 | 0 |
| Willowbrook Mobile Home Park | County of Botetourt | 75 | 0 | 0 |
| Wolford Ventures Llc | County of Botetourt | 72 | 0 | 0 |
| Botetourt Correctional Unit | Botetourt | 70 | 0 | 0 |
| Mount Joy Mobile Village | County of Botetourt | 66 | 0 | 0 |
| Hollins Motel | County of Botetourt | 65 | 0 | 0 |
| Southern States Coop Inc | County of Botetourt | 65 | 0 | 0 |
| Mountain View Ii Adult Home | County of Botetourt | 62 | 0 | 0 |
| Keswick Farms | County of Botetourt | 60 | 0 | 0 |
| Mountain View I Adult Home | County of Botetourt | 55 | 0 | 0 |
| Shenandoah Acre Home For Adult | Botetourt | 51 | 0 | 0 |
| Eagle Rock Market | County of Botetourt | 50 | 0 | 0 |
| Carris Plastics | County of Botetourt | 50 | 0 | 0 |
| Mountain View Day Care | County of Botetourt | 50 | 0 | 0 |
| Glitter, Inc. | County of Botetourt | 50 | 0 | 0 |
| Bethel Ridge | County of Botetourt | 43 | 0 | 0 |
| Fincastle Baptist Church | County of Botetourt | 40 | 0 | 0 |
| English Hills Inn | Botetourt | 40 | 0 | 0 |
| Fralin & Guill Subd M W Quick | Botetourt | 36 | 0 | 0 |
| Traveltown Motel Tes | County of Botetourt | 35 | 0 | 0 |
| Walnut Manor | County of Botetourt | 32 | 0 | 0 |
| Blue Ridge Community | County of Botetourt | 30 | 0 | 0 |
| Dale Court | County of Botetourt | 30 | 0 | 0 |
| Greenway Market | Botetourt | 30 | 0 | 0 |
| Little Caesars Pizza | Botetourt | 30 | 0 | 0 |
| T & V Country | Botetourt | 30 | 0 | 0 |
| Troutville Scales % Le Markham | Botetourt | 30 | 0 | 0 |
| Humpback Rock Picnic Area | County of Botetourt | 25 | 0 | 0 |
| Humpback Rock Visitor Center | County of Botetourt | 25 | 0 | 0 |
| North Creek Campground(usfs) | County of Botetourt | 25 | 0 | 0 |
| Camp Eagle | County of Botetourt | 25 | 0 | 0 |
| Arcadia Leadership Academy | County of Botetourt | 25 | 0 | 0 |
| B J 's Deli | Botetourt | 25 | 0 | 0 |
| Craig Creek Recreation Area(usfs) | County of Botetourt | 25 | 0 | 0 |
| Broadview Exxon | County of Botetourt | 25 | 0 | 0 |
| Fleshman Service Station | Botetourt | 25 | 0 | 0 |
| Middle Creek Picnic Area(usfs) | County of Botetourt | 25 | 0 | 0 |
| North Creek - Upper | County of Botetourt | 25 | 0 | 0 |
| Cardinal Home For Adults | Botetourt | 25 | 0 | 0 |
| The Daleville Laundromart | Botetourt | 25 | 0 | 0 |
| Oak Spring Restaurant | County of Botetourt | 25 | 0 | 0 |
| Peaks Of Otter Visitor Center | County of Botetourt | 25 | 0 | 0 |
| Roanoke-hollins Stockyard | County of Botetourt | 25 | 0 | 0 |