RIDGEWOOD HILLS ASSOCIATION SYSTEM 1
Connecticut - Community Water System - PWSID: CT0361011
System Information
| PWSID | CT0361011 |
| System Name | RIDGEWOOD HILLS ASSOCIATION SYSTEM 1 |
| 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 | Jan 27, 1992 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | KILLINGWORTH |
| ZIP Code | 06419 |
| Address | 14 ROBIN LANE |
| Organization | AFRAGOLA, RICHARD |
| Phone | 203-208-4103 |
Population & Service
| Population Served | 36 |
| Service Connections | 6 |
Drinking Water Violations (713)
This water system has 713 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 29, 2025 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2024 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Apr 10, 2023 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2021 | - | |
| Aug 10, 2020 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2021 | - | |
| Aug 10, 2020 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2021 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Oct 19, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 26, 2007 | - | |
| Oct 19, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 26, 2007 | - | |
| Aug 25, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 24, 2008 | - | |
| Aug 25, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 24, 2008 | - | |
| Aug 10, 2006 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2006 | - | |
| Aug 10, 2006 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2006 | - | |
| Jul 26, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 26, 2007 | - | |
| Jul 26, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 26, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2006 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Dec 28, 2005 | - | |
| Aug 10, 2005 | - | Other | No | No | - | - | - | Resolved | Dec 28, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Dec 28, 2005 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Dec 28, 2005 | - | |
| Jan 10, 2005 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2005 | - |
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.