Ontario County, New York
53 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Bristol Wd #1 | 203 | Surface Water Purchased | 45 | 38 |
| Manchester Central Wd | 1,000 | Surface Water Purchased | 23 | 21 |
| Canandaigua-farmington Consolidated W.d. | 13,000 | Surface Water Purchased | 12 | 8 |
| Manchester Village | 1,709 | Surface Water Purchased | 11 | 7 |
| Canandaigua Town Cons. Wd | 6,607 | Surface Water Purchased | 11 | 5 |
| Naples Consolidated | 1,250 | Groundwater Under Influence | 45 | 4 |
| Country Side Park | 125 | Groundwater | 30 | 3 |
| Riverside Park | 56 | Groundwater Under Influence | 26 | 3 |
| Hopewell Cons Wd 1 | 3,781 | Surface Water Purchased | 5 | 2 |
| Bristol Mountain Water Works | 318 | Groundwater | 236 | 1 |
| Grape Country Estates | 51 | Groundwater | 26 | 1 |
| Bloomfield Village Consolidated | 1,814 | Groundwater | 19 | 1 |
| Port Gibson Wd | 475 | Surface Water Purchased | 13 | 1 |
| Elderlee, Inc. - Steel Plant | 87 | Groundwater | 2 | 1 |
| Geneva City | 13,334 | Surface Water | 112 | 0 |
| Winged Pheasant Golf Club | 100 | Groundwater | 52 | 0 |
| Hunt Hollow Dev. Corp | 400 | Groundwater Under Influence | 49 | 0 |
| Bristol Woodlands Campground | 250 | Groundwater | 48 | 0 |
| Canandaigua City | 11,264 | Surface Water | 41 | 0 |
| East Bloomfield Wd #2 | 302 | Surface Water Purchased | 38 | 0 |
| Flcc Muller Station | 80 | Groundwater | 37 | 0 |
| The Sawmill | 150 | Groundwater Under Influence | 34 | 0 |
| Honeoye Fish & Game Club | 50 | Groundwater | 33 | 0 |
| Bristol Harbour Water Corp | 835 | Surface Water | 32 | 0 |
| Hidden Hollow | 32 | Groundwater | 31 | 0 |
| Bristol Valley Homes | 90 | Groundwater | 24 | 0 |
| The Ritz | 156 | Groundwater | 21 | 0 |
| Cheerful Valley Campground | 108 | Groundwater | 19 | 0 |
| Gorham Town Wd | 3,420 | Surface Water | 18 | 0 |
| 4-h Camp Bristol Hills | 50 | Groundwater | 17 | 0 |
| Monicas Pies | 50 | Groundwater | 16 | 0 |
| Shortsville Village | 1,320 | Surface Water Purchased | 15 | 0 |
| Victor Village | 2,443 | Surface Water Purchased | 14 | 0 |
| J Warren Cutler Scout Reservation | 1,300 | Groundwater | 11 | 0 |
| Parkview Fairways Golf Course | 80 | Groundwater | 11 | 0 |
| Rushville Village | 2,341 | Surface Water | 10 | 0 |
| Country Colony Estates | 125 | Groundwater | 10 | 0 |
| Arbor Hill Associates | 100 | Groundwater Under Influence | 10 | 0 |
| Heron Hill on Canandaigua | 25 | Groundwater | 10 | 0 |
| Phelps Town Consolidated Wd | 2,175 | Surface Water Purchased | 9 | 0 |
| Phelps Village | 2,118 | Surface Water Purchased | 7 | 0 |
| Gale-wyn Farm | 25 | Groundwater Under Influence | 7 | 0 |
| Hopewell Consolidated Wd #2 | 1,615 | Surface Water Purchased | 6 | 0 |
| Geneva Wd #8 | 400 | Surface Water Purchased | 6 | 0 |
| Ontario County Park | 90 | Groundwater | 6 | 0 |
| Cummings Nature Center | 25 | Groundwater | 6 | 0 |
| Phelps Route 14 Wd | 400 | Surface Water Purchased | 5 | 0 |
| Geneva Wd #2 Csa | 2,680 | Groundwater | 3 | 0 |
| Seneca Town Wd | 2,625 | Groundwater Purchased | 3 | 0 |
| Geneva Wd #13 | 40 | Surface Water Purchased | 2 | 0 |
| Mcwa - Geneva | 8,532 | Surface Water Purchased | 0 | 0 |
| Clifton Springs Village | 2,190 | Surface Water Purchased | 0 | 0 |
| Canadice Wd1 | 1,067 | Surface Water Purchased | 0 | 0 |