PONCE DE LEON
PWS ID: PR0003643 · MAYAGUEZ, Puerto Rico 00680
Population Served
9,740
Total Violations
114
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3,648
- County
- Mayaguez 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 | 6 | 2016 |
| Cryptosporidium | MR | 5 | 2017 |
| Turbidity | MR | 5 | 2017 |
| Interim Enhanced Surface Water Treatment Rule | MR | 5 | 2018 |
| E. COLI | MR | 5 | 2017 |
| OXAMYL | MR | 3 | 2022 |
| Carbofuran | MR | 3 | 2022 |
| Consumer Confidence Rule | Other | 3 | 2020 |
| Surface Water Treatment Rule | MR | 2 | 2018 |
| Endrin | MR | 2 | 2022 |
| Methoxychlor | MR | 2 | 2022 |
| Toxaphene | MR | 2 | 2022 |
| Dalapon | MR | 2 | 2022 |
| Diquat | MR | 2 | 2022 |
| Endothall | MR | 2 | 2022 |
| Simazine | MR | 2 | 2022 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2022 |
| LASSO | MR | 2 | 2022 |
| Heptachlor | MR | 2 | 2022 |
| 2,4-D | MR | 2 | 2022 |
| HEXACHLOROBENZENE | MR | 2 | 2022 |
| Pentachlorophenol | MR | 2 | 2022 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 2022 |
| Chlordane | MR | 2 | 2022 |
| Arsenic | MR | 2 | 2022 |
| Cadmium | MR | 2 | 2022 |
| CYANIDE | MR | 2 | 2022 |
| Beryllium, Total | MR | 2 | 2022 |
| Thallium, Total | MR | 2 | 2022 |
| Selenium | MR | 2 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.