KNOB HILL CONDOMINIUMS
Connecticut - Community Water System - PWSID: CT0280051
System Information
| PWSID | CT0280051 |
| System Name | KNOB HILL CONDOMINIUMS |
| 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 | Mar 8, 1979 |
| Last Reported | Jun 29, 2026 |
Location & Contact
| State | Connecticut |
| City | NORTH HAVEN |
| ZIP Code | 06473-0748 |
| Address | 303 STATE STREET |
| Organization | ROWLEY, BRENDAN |
| Phone | 203-248-5541 |
Population & Service
| Population Served | 84 |
| Service Connections | 28 |
Drinking Water Violations (316)
This water system has 316 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 3, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Aug 20, 2021 | - | RPT | No | No | - | - | - | Resolved | Feb 7, 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.