OTIS AIR NATIONAL GUARD BASE
Massachusetts — Community Water System — PWSID: MA4096001
System Information
| PWSID | MA4096001 |
| System Name | OTIS AIR NATIONAL GUARD BASE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 20, 1981 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | OTIS ANGB |
| ZIP Code | 02542 |
| Address | 158 REILLY STREET |
| Organization | OTIS AIR NATIONAL GUARD BASE |
| Phone | 5089684671 |
Population & Service
| Population Served | 6,000 |
| Service Connections | 337 |
Drinking Water Violations (5)
This water system has 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Sep 22, 2021 | Revised Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Jan 1, 2000 | Jan 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2000 | Total Coliform Rule |
| Jul 1, 1999 | Sep 30, 1999 | Gross Beta Particle Activity | MR | No | No | — | 4 mrem/yr | — | Archived | Sep 30, 1999 | Radionuclides and Revised Rad Rule |
| Jul 1, 1999 | Sep 30, 1999 | Tritium | MR | No | No | — | — | — | Archived | Sep 30, 1999 | Radionuclides and Revised Rad 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.