HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE
Massachusetts — Community Water System — PWSID: MA4020004
System Information
| PWSID | MA4020004 |
| System Name | HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE |
| 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 | Feb 26, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | HYANNIS |
| ZIP Code | 02601 |
| Address | 47 OLD YARMOUTH RD |
| Organization | HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE |
| Phone | 5087750063 |
Population & Service
| Population Served | 35,000 |
| Service Connections | 7,577 |
Drinking Water Violations (87)
This water system has 87 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 11, 2017 | — | Other | No | No | — | — | — | Resolved | Oct 20, 2017 | — | |
| Jul 11, 2017 | — | Other | No | No | — | — | — | Resolved | Oct 20, 2017 | — | |
| Oct 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Oct 10, 2010 | — | |
| Oct 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Oct 10, 2010 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | Other | No | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | Other | No | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.080 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.07 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.060 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.07 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.007 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.7 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.2 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.2 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 1 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 1 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.007 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.002 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.002 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.075 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.1 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.075 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.1 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.07 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | — | 0.1 mg/L | — | Resolved | Sep 30, 2009 | — |
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.