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 | Dec 17, 2025 |
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 (25)
This water system has 25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 1998 | Jun 30, 1998 | Beryllium, Total | MR | No | No | — | 0.004 mg/L | — | Archived | Jun 30, 1998 | Inorganic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Di(2-ethylhexyl) phthalate | MR | No | Yes | — | 0.006 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Aldicarb sulfoxide | MR | No | Yes | — | — | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Picloram | MR | No | Yes | — | 0.5 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Benzo(a)pyrene | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Dinoseb | MR | No | Yes | — | 0.007 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Aldicarb | MR | No | Yes | — | — | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | LASSO | MR | No | Yes | — | — | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Hexachlorocyclopentadiene | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Chlordane | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Total Polychlorinated Biphenyls (PCB) | MR | No | Yes | — | 0.0005 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | 2,4,5-TP | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Heptachlor | MR | No | Yes | — | 0.0004 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Carbofuran | MR | No | Yes | — | 0.04 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | HEXACHLOROBENZENE | MR | No | Yes | — | 0.001 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | ETHYLENE DIBROMIDE | MR | No | Yes | — | 0.00005 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | 2,3,7,8-TCDD | MR | No | Yes | — | 0.00000003 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Pentachlorophenol | MR | No | Yes | — | 0.001 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Endothall | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | OXAMYL | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Aldicarb sulfone | MR | No | Yes | — | — | — | Archived | Dec 31, 1994 | Synthetic Organic Chemicals |
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.