DUEY
PWS ID: PR0004234 · YAUCO, Puerto Rico 00698
Population Served
2,368
Total Violations
216
Health-Based Violations
30
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 887
- County
- Maricao Municipio
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 154
- Treatment Tech Violations
- 18
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 42 | 2016 |
| Total Haloacetic Acids (HAA5) | MCL | 12 | 2018 |
| Surface Water Treatment Rule | TT | 11 | 2005 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 6 | 2025 |
| Consumer Confidence Rule | Other | 5 | 2022 |
| Coliform (TCR) | MR | 4 | 1999 |
| E. COLI | MR | 4 | 2018 |
| OXAMYL | MR | 3 | 2014 |
| Carbofuran | MR | 3 | 2014 |
| BHC-GAMMA | MR | 2 | 2014 |
| Methoxychlor | MR | 2 | 2014 |
| Toxaphene | MR | 2 | 2014 |
| Dalapon | MR | 2 | 2014 |
| Diquat | MR | 2 | 2014 |
| Endothall | MR | 2 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2014 |
| Atrazine | MR | 2 | 2014 |
| LASSO | MR | 2 | 2014 |
| Heptachlor | MR | 2 | 2014 |
| 2,4-D | MR | 2 | 2014 |
| 2,4,5-TP | MR | 2 | 2014 |
| HEXACHLOROBENZENE | MR | 2 | 2014 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2014 |
| ETHYLENE DIBROMIDE | MR | 2 | 2014 |
| Chlordane | MR | 2 | 2014 |
| Arsenic | MR | 2 | 1984 |
| Nitrate | MR | 2 | 1984 |
| Mercury | MR | 2 | 1984 |
| Fluoride | MR | 2 | 1984 |
| Cadmium | MR | 2 | 1984 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.