Transient Non-Community · PWSID NH2548050

Oasis Gas and Mini Mart

Serves 550 peopleGroundwaterOwner: PrivateWestborough, Massachusetts
Nothing open that measures the water, but 1 open testing or paperwork violation.

A missed test is not evidence of bad water. It also is not evidence of good water: for that period nobody checked.

On record since 2002: 2 violations. 1 missed or late test · 1 notice or report. Most recent began 2018-06-08.

None of them is a measurement of contaminated water.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

0Over the limit
0Treatment lapse
1Missed or late test
1Notice or report1 open

More violations on record than 47% of active water systems in Massachusetts. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

2002 · Notice or report: 12005201020152018 · Missed or late test: 120202025
One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.
50% missed or late test · 150% notice or report · 1

Across Massachusetts, 79% of violations are missed or late tests and 4% are water over a limit.

Open now (1)

  1. 2002-01-06Public NoticePN Violation for NPDWR ViolationOpen

Every violation on record

  1. 2018-06-08E. ColiMonitoring, Source Water (GWR)Back in compliance
  2. 2002-01-06Public NoticePN Violation for NPDWR ViolationOpen

System details

Population served550
Service connections2
Water sourceGroundwater
System typeTransient Non-Community
OwnerPrivate
StatusActive
CityWestborough
EPA ZIP on file01581

Areas served

  • Windham, Rockingham County

Reading this record

Oasis Gas and Mini Mart is a transient non-community that draws from groundwater and serves about 550 people in Westborough, Massachusetts. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.