EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records
PUBLIC WATER SYSTEM RECORDPWSID MA4020002

Massachusetts · Ground water

Centerville Osterville Marstons Mills Wd

EPA’s September 2026 export lists Centerville Osterville Marstons Mills Wd (PWSID MA4020002) as No current violation flagged, serving a reported 50,000 people from a ground water source, with 0 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.
Open EPA Detailed Facility Report ↗

01 / CURRENT FLAGS

EPA compliance flags for Centerville Osterville Marstons Mills Wd

Centerville Osterville Marstons Mills Wd is listed as no current violation flagged in the current export; the five federal flag categories remain separate below.

  • NOT FLAGGED
    Health-based violationCurrent HEALTH_FLAG in the EPA export.
  • NOT FLAGGED
    Monitoring and reportingCurrent MR_FLAG in the EPA export.
  • NOT FLAGGED
    Public notificationCurrent PN_FLAG in the EPA export.
  • NOT FLAGGED
    Other violationCurrent OTHER_FLAG in the EPA export.
  • NOT FLAGGED
    Serious violatorCurrent serious-violator status in the EPA export.
Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations1rolling history field
Quarters with SNC0significant noncompliance
Rules in current violation0EPA export count
Rules in 3-year window1EPA export count

Current rule entries for Centerville Osterville Marstons Mills Wd

EPA supplied 1 current contaminant, rule, or violation-category entries for Centerville Osterville Marstons Mills Wd in the exported fields used here.

  • Monitoring and Reporting

Three-year entries for Centerville Osterville Marstons Mills Wd

EPA supplied 1 contaminant or rule entries for Centerville Osterville Marstons Mills Wd in the three-year history field.

  • 1040=Nitrate

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Centerville Osterville Marstons Mills Wd

The export lists 2 site visits in five years and 0 significant deficiencies for Centerville Osterville Marstons Mills Wd.

Site visits, past 5 years
2
Inspection visits
0
Other visits
2
Last sanitary survey
06/17/2025
Last recorded visit
06/17/2025
Significant deficiencies
0

Places served by Centerville Osterville Marstons Mills Wd

EPA associates Centerville Osterville Marstons Mills Wd with the listed cities, counties, ZIP codes, and Massachusetts service area identifiers.

State / territory
Massachusetts
Counties
Barnstable
ZIP codes
02655
Federal PWSID
MA4020002
Registry ID
110013153648

04 / HOW TO USE THIS RECORD

Current public records for Centerville Osterville Marstons Mills Wd

EPA’s facility report, the Massachusetts drinking-water program, and Centerville Osterville Marstons Mills Wd’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

How the ledger is built →