ST JOHN ON THE MOUNTAIN
New Jersey - Non-Transient Non-Community - PWSID: NJ1802313
System Information
| PWSID | NJ1802313 |
| System Name | ST JOHN ON THE MOUNTAIN |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 1, 1992 |
| Last Reported | Mar 27, 2026 |
Location & Contact
| State | New Jersey |
| City | BERNARDSVILLE |
| ZIP Code | 07924 |
| Address | 379 MOUNTAIN HARMONY ROAD |
| Organization | JONES, DAVID J |
| Phone | 908-766-2282 |
Population & Service
| Population Served | 180 |
| Service Connections | 1 |
Drinking Water Violations (34)
This water system has 34 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 | - | Unaddressed | - | - | |
| Apr 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 9, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 9, 2025 | - | |
| Jan 1, 2025 | Jun 30, 2025 | TT | Yes | No | - | TT | - | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | Jun 30, 2025 | TT | Yes | No | - | TT | - | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | Jun 30, 2025 | TT | Yes | No | - | TT | - | Archived | Jun 30, 2025 | - | |
| Jul 1, 2024 | Dec 31, 2024 | TT | Yes | No | - | TT | - | Archived | Dec 31, 2024 | - | |
| Jul 1, 2024 | Dec 31, 2024 | TT | Yes | No | - | TT | - | Archived | Dec 31, 2024 | - | |
| Apr 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jun 23, 2023 | - | |
| Apr 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jun 23, 2023 | - | |
| Dec 24, 2021 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 1, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 1, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 1, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 1, 2022 | - | |
| Apr 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2019 | - | |
| Apr 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2019 | - | |
| Jan 2, 1994 | - | MR | No | No | - | TT | - | Resolved | Mar 21, 1994 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 1990 | - | |
| Jan 1, 1990 | Dec 31, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1990 | - |
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.