Hawaii County, Hawaii
39 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Hilo | 39,477 | Groundwater | 1 | 1 |
| Pahala | 1,226 | Groundwater | 1 | 1 |
| Kukuihaele | 483 | Groundwater | 1 | 1 |
| Keopu Water Association | 250 | Groundwater Purchased | 1 | 1 |
| Pepeekeo Water Association | 60 | Groundwater Purchased | 1 | 1 |
| Kaupulehu | 1,945 | Groundwater | 7 | 0 |
| Hawaiian Ocean View Estates | 1,000 | Groundwater | 3 | 0 |
| South Kohala | 9,612 | Surface Water | 2 | 0 |
| North Kona | 29,581 | Groundwater | 1 | 0 |
| Waikoloa | 12,100 | Groundwater | 1 | 0 |
| Punalu'u | 200 | Groundwater | 1 | 0 |
| South Kona | 6,512 | Groundwater | 0 | 0 |
| Olaa-mountain View | 6,467 | Groundwater | 0 | 0 |
| North Kohala | 4,933 | Groundwater | 0 | 0 |
| Haina | 4,563 | Groundwater | 0 | 0 |
| Hawaii Volcanoes Nat.park | 4,201 | Groundwater | 0 | 0 |
| Hawaiian Beaches | 3,546 | Groundwater | 0 | 0 |
| Waiohinu-naalehu | 2,948 | Groundwater | 0 | 0 |
| Papaikou | 2,203 | Groundwater | 0 | 0 |
| Lalamilo | 1,895 | Groundwater | 0 | 0 |
| Pahoa | 1,885 | Groundwater | 0 | 0 |
| Pepeekeo | 1,450 | Groundwater | 0 | 0 |
| Hawaiian Shores | 1,360 | Groundwater | 0 | 0 |
| Laupahoehoe-kapehu | 1,169 | Groundwater | 0 | 0 |
| Kohala Ranch Water Co. | 850 | Groundwater | 0 | 0 |
| Paauilo | 716 | Groundwater | 0 | 0 |
| Honomu | 645 | Groundwater | 0 | 0 |
| Napuu Water Inc. | 468 | Groundwater | 0 | 0 |
| Hakalau-wailea | 402 | Groundwater | 0 | 0 |
| Kalapana | 275 | Groundwater | 0 | 0 |
| Ookala (dws) | 264 | Groundwater | 0 | 0 |
| Kona Water Service Company | 260 | Groundwater | 0 | 0 |
| Niulii | 254 | Groundwater | 0 | 0 |
| Kilauea Military Camp | 220 | Groundwater | 0 | 0 |
| Kawaihae Unit #1 | 193 | Groundwater Purchased | 0 | 0 |
| Ninole | 151 | Groundwater | 0 | 0 |
| Waiki'i Ranch | 102 | Groundwater | 0 | 0 |
| New Moon Foundation | 80 | Groundwater | 0 | 0 |
| Wood Valley | 75 | Groundwater | 0 | 0 |