We found 12 public water systems that could serve the same population as Harrington Water Department (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Killens Pond State Park | Harrington | 10,000 | 0 | 0 |
| Delaware State Fair | Harrington | 2,952 | 0 | 16 |
| United Parcel Services | Harrington | 112 | 0 | 0 |
| Messick's Mhc Llc System 5 | Harrington | 97 | 0 | 0 |
| Shells Learning Center Iii | Harrington | 83 | 0 | 0 |
| Messick's Mhc Llc System 4 | Harrington | 72 | 0 | 0 |
| Messick's Mhc Llc System 6 | Harrington | 63 | 0 | 0 |
| Messick's Mhc Llc System 3 | Harrington | 45 | 0 | 0 |
| Messick's Mhc Llc System 2 | Harrington | 36 | 0 | 0 |
| Messicks Mobile Home Park | Harrington | 27 | 0 | 0 |
| Harrington Moose Lodge 534 | Harrington | 25 | 0 | 0 |
| Dept Highways Trans Harrington | Harrington | 23 | 0 | 0 |