MIDDLEBURY HAMLET
PWS ID: CT0810054 · PROSPECT, Connecticut 06712
Population Served
75
Total Violations
110
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- New Haven
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 104
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2016 |
| Coliform (TCR) | MCL | 4 | 2005 |
| Public Notice | Other | 2 | 2006 |
| Lead and Copper Rule | MR | 2 | 2010 |
| Barium | MR | 2 | 2014 |
| Cadmium | MR | 2 | 2014 |
| Chromium | MR | 2 | 2014 |
| Fluoride | MR | 2 | 2014 |
| Mercury | MR | 2 | 2014 |
| Nickel | MR | 2 | 2014 |
| Antimony, Total | MR | 2 | 2014 |
| Beryllium, Total | MR | 2 | 2014 |
| Thallium, Total | MR | 2 | 2014 |
| Selenium | MR | 2 | 2014 |
| Methoxychlor | MR | 2 | 2014 |
| Toxaphene | MR | 2 | 2014 |
| Dalapon | MR | 2 | 2014 |
| Glyphosate | MR | 2 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2014 |
| Simazine | MR | 2 | 2014 |
| Picloram | MR | 2 | 2014 |
| Aldicarb sulfone | MR | 2 | 2014 |
| 2,4-D | MR | 2 | 2014 |
| HEXACHLOROBENZENE | MR | 2 | 2014 |
| Benzo(a)pyrene | MR | 2 | 2014 |
| Pentachlorophenol | MR | 2 | 2014 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 2014 |
| ETHYLENE DIBROMIDE | MR | 2 | 2014 |
| Chlordane | MR | 2 | 2014 |
| Aldicarb | MR | 2 | 2014 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFDoA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 8/6/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 8/6/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/6/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| NFDHA | 8/6/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFBA | 8/6/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 8/6/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/6/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOA | 8/6/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 8/6/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 8/6/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 8/6/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 8/6/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 8/6/2025 | <9 µg/L | 9 µg/L | Not Detected |
| PFNA | 8/6/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 8/6/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 8/6/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 8/6/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 8/6/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| 4:2 FTS | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/6/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 2/4/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFUnA | 2/4/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 6:2 FTS | 2/4/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 11Cl-PF3OUdS | 2/4/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 2/4/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 2/4/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 2/4/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 2/4/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 2/4/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 2/4/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFHpS | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 2/4/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 2/4/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFNA | 2/4/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.