MOUNTAIN LAKES WATER DISTRICT
New Hampshire - Community Water System - PWSID: NH1101050
System Information
| PWSID | NH1101050 |
| System Name | MOUNTAIN LAKES WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 15, 1989 |
| Last Reported | Jun 23, 2026 |
Location & Contact
| State | New Hampshire |
| City | WOODSVILLE |
| ZIP Code | 03785 |
| Address | 75 WHITE MOUNTAIN RD |
| Organization | MOUNTAIN LAKES DIST |
| Phone | - |
Population & Service
| Population Served | 787 |
| Service Connections | 358 |
Drinking Water Violations (271)
This water system has 271 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 | Jul 20, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2022 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Aug 20, 2015 | - | TT | Yes | No | - | TT | - | Resolved | Oct 12, 2015 | - | |
| Aug 20, 2015 | - | TT | Yes | No | - | TT | - | Resolved | Oct 12, 2015 | - | |
| Aug 20, 2015 | - | TT | Yes | No | - | TT | - | Resolved | Oct 12, 2015 | - | |
| Aug 20, 2015 | - | TT | Yes | No | - | TT | - | Resolved | Oct 12, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 23, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 23, 2015 | - | |
| Sep 1, 2007 | - | TT | Yes | No | - | TT | - | Resolved | Dec 24, 2007 | - | |
| Sep 1, 2007 | - | TT | Yes | No | - | TT | - | Resolved | Dec 24, 2007 | - | |
| Jul 1, 2007 | Oct 1, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2007 | - | |
| Jul 1, 2007 | Oct 1, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2007 | - | |
| Jul 1, 2007 | Oct 1, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2007 | - | |
| Jul 1, 2007 | Oct 1, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2007 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Jul 1, 2002 | Aug 29, 2002 | Other | No | Yes | - | - | - | Resolved | Aug 29, 2002 | - | |
| Jul 1, 2002 | Aug 29, 2002 | Other | No | Yes | - | - | - | Resolved | Aug 29, 2002 | - | |
| Jul 1, 2002 | Aug 29, 2002 | Other | No | Yes | - | - | - | Resolved | Aug 29, 2002 | - | |
| Jul 1, 2002 | Aug 29, 2002 | Other | No | Yes | - | - | - | Resolved | Aug 29, 2002 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1996 | - |
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.