AQUARION WATER/NH
Connecticut — Community Water System — PWSID: NH1051010
System Information
| PWSID | NH1051010 |
| System Name | AQUARION WATER/NH |
| 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 | Dec 15, 2025 |
Location & Contact
| State | Connecticut |
| City | MONROE |
| ZIP Code | 06408 |
| Address | 200 MONROE TNPK |
| Organization | AQUARION WATER |
| Phone | — |
Population & Service
| Population Served | 34,000 |
| Service Connections | 8,644 |
Drinking Water Violations (17)
This water system has 17 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, 2024 | Oct 1, 2024 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Oct 1, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Oct 1, 2024 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Oct 1, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | Oct 1, 2024 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Oct 1, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2010 | Sep 30, 2010 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2010 | Radionuclides and Revised Rad Rule |
| Jul 1, 2010 | Sep 30, 2010 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2010 | Radionuclides and Revised Rad Rule |
| Jul 1, 2009 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 22, 2009 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 15, 2008 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 15, 2008 | Consumer Confidence Rule |
| Apr 1, 2008 | Jul 1, 2008 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jul 1, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2008 | Jul 1, 2008 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jul 1, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 24, 2007 | Consumer Confidence Rule |
| Oct 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 24, 2007 | Consumer Confidence Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrite | MR | No | No | — | 1 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrite | MR | No | No | — | 1 mg/L | — | Resolved | Dec 31, 1993 | Nitrate 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.