CHATFIELD HILL ASSN., INC.
Connecticut - Community Water System - PWSID: CT1221031
System Information
| PWSID | CT1221031 |
| System Name | CHATFIELD HILL ASSN., INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 3, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | LAKEVILLE |
| ZIP Code | 06039 |
| Address | 37 CHATFIELD DRIVE |
| Organization | HOFFMAN, JOHN |
| Phone | 860-435-8139 |
Population & Service
| Population Served | 68 |
| Service Connections | 15 |
Drinking Water Violations (35)
This water system has 35 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jul 29, 2021 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jul 29, 2021 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jul 29, 2021 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jul 29, 2021 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Aug 10, 2013 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2013 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2005 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.