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Water system · PWSID MA3298000

TOPSFIELD WATER DEPARTMENT

TOPSFIELD, MA · ~5,435 people served

Check your exact address → TOPSFIELD overview

Fair

PurityRadar safety score

PWSID

MA3298000

State

Massachusetts

City

TOPSFIELD

Population served

5,435

Primary source

Groundwater

Score history

▼ 49 points — the score moved from 100 to 51 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 51

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Jul 2025). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

8.6 ppt

limit 4 ppt

Above EPA limit · 2.1×

PFOS

Perfluorooctanesulfonic acid

5.3 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFBS

3.8 ppt

limit —

No federal limit

PFHxA

3.4 ppt

limit —

No federal limit

PFPeA

3.1 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2026. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2025 Addressed

Monitoring & reporting · Lead & Copper Rule began Jan 2021 Addressed

Monitoring & reporting · EPA contaminant 3002 began Jun 2019 Addressed

Monitoring & reporting · Lead & Copper Rule began Jun 2018 Addressed

Monitoring & reporting · Nitrite began Apr 2013 Resolved

Monitoring & reporting · Nitrate began Apr 2011 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2007 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1994 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 1993 Resolved

Recent enforcement actions

State action · SFL Mar 2026
State action · SFL Feb 2022
State action · SFL Jul 2019
State action · SFL Apr 2019
State action · SIE Oct 2014
State action · SFJ Aug 2013
State action · SOX Aug 2013
State action · SFL Aug 2012

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

2 stations · latest Oct 2022

0 · max 0.078 mg/L · 27

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system MA3298000 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.