We found 23 public water systems that could serve the same population as Portville Drive-in (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Portville Village | Portville | 1,040 | 0 | 20 |
| Olean Wholesale | Portville | 250 | 0 | 2 |
| Reds And Trudys | Portville | 100 | 0 | 0 |
| Riverhurst Park | Portville | 80 | 0 | 0 |
| Randys Fireside | Portville | 75 | 0 | 0 |
| Cork & Bottle | Portville | 50 | 0 | 0 |
| Bedford Corners Mobile Home Park | Portville | 50 | 0 | 0 |
| Pizzaland | Portville | 50 | 0 | 0 |
| Keystone Tool And Die | Portville | 40 | 0 | 0 |
| Flips Bar & Grill | Portville | 40 | 0 | 0 |
| Portville Town Water District | Portville | 39 | 0 | 0 |
| Spring Hill Dairy | Portville | 30 | 0 | 0 |
| Jo Lee Mobile Home Park | Portville | 28 | 0 | 0 |
| Westons Mills Community Center | Portville | 25 | 0 | 0 |
| Cummins Cider Mill | Portville | 25 | 0 | 0 |
| Carpet Town | Portville | 25 | 0 | 0 |
| Cowboy Connection | Portville | 25 | 0 | 0 |
| Whispering Mountain Lodge Restaurant | Portville | 25 | 0 | 0 |
| Burdick Trailer Sales | Portville | 25 | 0 | 0 |
| Dnj's Ice Cream | Portville | 25 | 0 | 0 |
| A Taste Of Italy | Portville | 25 | 0 | 0 |
| Spragues Maple Farm Restaurant | Portville | 25 | 0 | 0 |
| New Beginnings Assembly Of God | Portville | 24 | 0 | 0 |