EAST HAMPTON WPCA - ROYAL OAKS SYSTEM
PWS ID: CT0429121 · EAST HAMPTON, Connecticut 06424
Population Served
328
Total Violations
303
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 82
- County
- Middlesex
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 263
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 19 | 2024 |
| Chlorine | MR | 11 | 2025 |
| Coliform (TCR) | MR | 8 | 2008 |
| Nitrite | MR | 8 | 2014 |
| Nitrate | MR | 8 | 2014 |
| Combined Uranium | MR | 4 | 2006 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2006 |
| Combined Radium (-226 and -228) | MR | 4 | 2006 |
| Lead and Copper Rule | TT | 4 | 2015 |
| Revised Total Coliform Rule | RPT | 4 | 2017 |
| Endrin | MR | 4 | 2014 |
| BHC-GAMMA | MR | 4 | 2014 |
| Diquat | MR | 4 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2014 |
| OXAMYL | MR | 4 | 2014 |
| Picloram | MR | 4 | 2014 |
| Hexachlorocyclopentadiene | MR | 4 | 2014 |
| Aldicarb sulfone | MR | 4 | 2014 |
| Heptachlor | MR | 4 | 2014 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2014 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 2014 |
| ETHYLENE DIBROMIDE | MR | 4 | 2014 |
| Toxaphene | MR | 4 | 2014 |
| HEXACHLOROBENZENE | MR | 4 | 2014 |
| Methoxychlor | MR | 4 | 2014 |
| Carbofuran | MR | 4 | 2014 |
| 2,4-D | MR | 4 | 2014 |
| 2,4,5-TP | MR | 4 | 2014 |
| Simazine | MR | 4 | 2014 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.