CCNS MARCONI AREA
Massachusetts - Non-Transient Non-Community - PWSID: MA4318047
System Information
| PWSID | MA4318047 |
| System Name | CCNS MARCONI AREA |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 29, 1980 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | WELLFLEET |
| ZIP Code | 02667 |
| Address | 99 MARCONI SITE RD |
| Organization | CCNS MARCONI AREA |
| Phone | 5089570717 |
Population & Service
| Population Served | 499 |
| Service Connections | 17 |
Drinking Water Violations (85)
This water system has 85 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, 2008 | - | TT | Yes | No | - | TT | - | Resolved | Sep 6, 2012 | - | |
| Jan 1, 2008 | - | TT | Yes | No | - | TT | - | Resolved | Sep 6, 2012 | - | |
| Jul 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2008 | - | |
| Jul 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2008 | - | |
| Jul 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2012 | - | |
| Jul 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2012 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.07 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.007 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.002 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.1 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.6 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.1 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 10 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.2 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.7 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.075 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 1 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.1 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.07 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MR | No | No | - | 0.005 mg/L | - | Archived | Mar 31, 2006 | - | |
| Jan 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Mar 3, 2002 | - | |
| Jan 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Mar 3, 2002 | - | |
| Sep 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1999 | - | |
| May 1, 1998 | May 31, 1998 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 2 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.005 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.002 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.1 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.2 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.010 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.004 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | - | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 4.0 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.002 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.05 mg/L | - | Archived | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 0.006 mg/L | - | Archived | Jun 30, 1998 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | - | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.00005 mg/L | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.003 mg/L | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.02 mg/L | - | Archived | Dec 31, 1994 | - |
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.