We found 23 public water systems in Lake and Peninsula county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Egegik | Egegik | 730 | 0 | 207 |
| Chignik Lagoon Water System | Chignik Lagoon | 350 | 0 | 459 |
| Chignik Bay Water System | Chignik Bay | 302 | 0 | 792 |
| Icicle Seafoods-egegik | Egegik | 210 | 0 | 0 |
| Nondalton | Nondalton | 205 | 0 | 647 |
| Kokhanok Water & Ww System | Kokhanok | 191 | 0 | 513 |
| Chignik Pride Fisheries | Chignik | 155 | 0 | 0 |
| Chignik Lake Water System | Chignik Lake | 150 | 0 | 419 |
| Perryville Water System | Perryville | 120 | 0 | 0 |
| Igiugig Water System | Igiugig | 100 | 0 | 0 |
| Chignik Bay # 2 | Chignik | 94 | 0 | 0 |
| Newhalen Water System | Newhalen | 80 | 0 | 0 |
| L&psd Port Alsworth School | Port Alsworth | 80 | 0 | 0 |
| L&psd Newhalen School | Newhalen | 73 | 0 | 0 |
| Big Creek Fisheries, Llc. | Egegik | 71 | 0 | 0 |
| Samaritan Lodge Alaska | Port Alsworth | 56 | 0 | 0 |
| Rainbow King Lodge | Iliamna | 55 | 0 | 0 |
| Coffee Point Seafoods | Egegik | 55 | 0 | 0 |
| L&psd Port Heiden School | Port Heiden | 44 | 0 | 0 |
| Alaska Rainbow Lodge | Levelock | 36 | 0 | 0 |
| Homestead Cafe | County of Lake And Peninsula Borough | 26 | 0 | 0 |
| Wards Cove Packing Egegik | Egegik | 20 | 0 | 0 |
| Usnps Lk Clark | Port Alsworth | 19 | 0 | 0 |