COLUMBIA MANUFACTURING - WELL #1
Connecticut - Non-Transient Non-Community - PWSID: CT0309013
System Information
| PWSID | CT0309013 |
| System Name | COLUMBIA MANUFACTURING - WELL #1 |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 29, 1989 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | COLUMBIA |
| ZIP Code | 06237 |
| Address | 165 Route 66 East |
| Organization | MACLEAN, JUSTIN |
| Phone | 860-228-2259 |
Population & Service
| Population Served | 150 |
| Service Connections | 1 |
Drinking Water Violations (452)
This water system has 452 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, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Aug 3, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 16, 2024 | - | |
| Aug 3, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 16, 2024 | - | |
| Aug 3, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 16, 2024 | - | |
| Aug 3, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 16, 2024 | - | |
| Mar 31, 2024 | - | MR | No | No | - | TT | - | Resolved | May 1, 2024 | - | |
| 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 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Apr 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 1, 2023 | - | |
| Jan 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2023 | - | |
| Jan 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2023 | - | |
| Jan 15, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 10, 2023 | - | |
| Jan 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2023 | - | |
| Jan 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 21, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2023 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Sep 29, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 22, 2023 | - | |
| Sep 29, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 22, 2023 | - | |
| Apr 1, 2022 | - | MR | No | No | - | TT | - | Resolved | May 9, 2022 | - | |
| Apr 1, 2022 | - | MR | No | No | - | TT | - | Resolved | May 9, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2022 | - |
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.