Rio Grande Municipio County, Puerto Rico
4 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Guzman Arriba | 2,694 | Surface Water | 70 | 25 |
| Barcelona | 260 | Surface Water | 73 | 3 |
| Forest Service-el Yunque | 30 | Surface Water | 32 | 2 |
| Forest Service El Yunque-2 | 2,487 | Groundwater | 4 | 0 |