Water Systems Serving Zip Code 20678
1 active water systems serve this zip code.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Calvert Middle School | 675 | Groundwater | 1 | 1 |
1 active water systems serve this zip code.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Calvert Middle School | 675 | Groundwater | 1 | 1 |