CARDIGAN MOUNTAIN SCH
New Hampshire — Community Water System — PWSID: NH0354010
System Information
| PWSID | NH0354010 |
| System Name | CARDIGAN MOUNTAIN SCH |
| 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 2, 1985 |
| Last Reported | Dec 15, 2025 |
Location & Contact
| State | New Hampshire |
| City | CANAAN |
| ZIP Code | 03741 |
| Address | 62 ALUMNI DR |
| Organization | CARDIGAN MOUNTAIN SCHOOL |
| Phone | — |
Population & Service
| Population Served | 300 |
| Service Connections | 23 |
Drinking Water Violations (33)
This water system has 33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Apr 1, 2025 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Apr 1, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Apr 1, 2025 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Apr 1, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Apr 1, 2025 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Apr 1, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Apr 1, 2025 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Apr 1, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2024 | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2024 | Lead and Copper Rule |
| Apr 1, 2019 | Jul 1, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jul 1, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 | Jul 1, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jul 1, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 25, 2017 | Consumer Confidence Rule |
| Jul 1, 2017 | Oct 1, 2017 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Oct 1, 2017 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Oct 1, 2017 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2017 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 | Oct 1, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 | Oct 1, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 | Oct 1, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 | Oct 1, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 9, 2007 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 9, 2007 | Consumer Confidence Rule |
| Jul 1, 2006 | Oct 1, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 8, 2006 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 8, 2006 | Consumer Confidence Rule |
| Jul 1, 2006 | Oct 1, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2006 | Oct 1, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2006 | Oct 1, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 1995 | Dec 31, 1995 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1995 | Nitrate Rule |
| Jan 1, 1995 | Dec 31, 1995 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1995 | Nitrate Rule |
| Jan 1, 1995 | Dec 31, 1995 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1995 | Nitrate Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | Total Coliform Rule |
| Aug 1, 1991 | Aug 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
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.