Drinking water quality · 2025

What's in Marlborough Dpw Water Div. (mwra), MA tap water

1 contaminants were measured in the Marlborough Dpw Water Div. (mwra), MA water system's 2025 annual report. Each is shown below against its federal limit.

Browse the mapFull source report ↗
Reporting year
2025
Contaminants measured
1
Over federal limit
0
Approaching the limit
0
Service area
MA
state-level CCR
Source
Utility CCR
All within federal limits. Every measured contaminant in this report is below its federal threshold.

Where your water comes from · EPA SDWIS

Marlborough Dpw Water Div. (mwra), MA buys its drinking water from MWRA.

Source

0sources

Treatment

1treatment plant
  • CEDAR HILL PUMP STATION (MWRA)

Distribution

3storage units

Also buys water from MWRA.

Compliance history

Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.

  • Maximum contaminant level exceededHealth-based
    5 violations on record · most recent Jul 2004
    resolved

Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗

Metals

ContaminantMeasuredStatus
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.0033 mg/L90th percentileAt the tapWithin the limit
Source: Marlborough Dpw Water Div. (mwra), MA's 2025 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.

People also ask about Marlborough Dpw Water Div. (mwra), MA's water

+Is Marlborough Dpw Water Div. (mwra), MA tap water safe to drink in 2025?

Every one of the 1 contaminants measured in Marlborough Dpw Water Div. (mwra), MA's 2025 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.

+What contaminants are in Marlborough Dpw Water Div. (mwra), MA tap water?

1 contaminants were measured in Marlborough Dpw Water Div. (mwra), MA's 2025 Consumer Confidence Report, spanning metals. 1 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Where does the data on this page come from?

Every value is transcribed from Marlborough Dpw Water Div. (mwra), MA's 2025 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.

+How often is Marlborough Dpw Water Div. (mwra), MA's water quality data updated?

Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2025 report; a new report will replace it once the utility publishes its next annual update.

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