We found 16 public water systems in Lyon county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Emporia, City Of | Emporia | 24,799 | 33 | 6 |
| Lyon Co Rwd 1 | Emporia | 1,595 | 0 | 15 |
| Lyon Co Rwd 5 | Emporia | 1,310 | 0 | 6 |
| Lyon Co Rwd 4 | Neosho Rapids | 980 | 0 | 6 |
| Lyon Co Rwd 2 | Emporia | 750 | 39 | 5 |
| Olpe, City Of | Olpe | 539 | 0 | 2 |
| Lyon Co Rwd 3 | Olpe | 479 | 0 | 8 |
| Hartford, City Of | Hartford | 368 | 0 | 0 |
| Reading, City Of | Reading | 230 | 0 | 14 |
| Park Place Communities Mgt Llc | Emporia | 200 | 0 | 9 |
| Allen, City Of | Allen | 176 | 0 | 7 |
| Admire, City Of | Admire | 155 | 0 | 6 |
| Thorndale Acres | Emporia | 115 | 0 | 0 |
| Flatrock Mobile Home Park | Emporia | 100 | 0 | 0 |
| Ly Co Wi | Reading | 25 | 0 | 0 |
| The Farm Inc | Reading | 25 | 0 | 0 |