CUYON
PWS ID: PR0004555 · AIBONITO, Puerto Rico 00653
Population Served
515
Total Violations
121
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 193
- County
- Aibonito Municipio
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 109
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 8 | 2016 |
| Consumer Confidence Rule | Other | 5 | 2022 |
| Coliform (TCR) | MR | 4 | 2015 |
| Endrin | MR | 4 | 2022 |
| BHC-GAMMA | MR | 4 | 2022 |
| Methoxychlor | MR | 4 | 2022 |
| Toxaphene | MR | 4 | 2022 |
| Heptachlor | MR | 4 | 2022 |
| Heptachlor epoxide | MR | 4 | 2022 |
| HEXACHLOROBENZENE | MR | 4 | 2022 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2022 |
| Chlordane | MR | 4 | 2022 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 2022 |
| Barium | MR | 3 | 2007 |
| ETHYLENE DIBROMIDE | MR | 3 | 2022 |
| Dalapon | MR | 2 | 2022 |
| Glyphosate | MR | 2 | 2022 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2022 |
| OXAMYL | MR | 2 | 2022 |
| Picloram | MR | 2 | 2022 |
| Dinoseb | MR | 2 | 2022 |
| Hexachlorocyclopentadiene | MR | 2 | 2022 |
| Carbofuran | MR | 2 | 2022 |
| Atrazine | MR | 2 | 2022 |
| LASSO | MR | 2 | 2022 |
| 2,4-D | MR | 2 | 2022 |
| Benzo(a)pyrene | MR | 2 | 2022 |
| Pentachlorophenol | MR | 2 | 2022 |
| Nitrate | MR | 2 | 1984 |
| Mercury | MR | 2 | 1984 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.