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Water system · PWSID MA3315000

WAYLAND WATER DEPARTMENT

WAYLAND, MA · ~13,196 people served

Check your exact address → WAYLAND overview
59
Fair
PurityRadar safety score

PWSID

MA3315000

State

Massachusetts

City

WAYLAND

Population served

13,196

Primary source

Groundwater

Score history

▼ 41 points — the score moved from 100 to 59 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 59

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 Oct 2023). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

8 ppt

limit 4 ppt

Above EPA limit · 2.0×

PFOS

Perfluorooctanesulfonic acid

4 ppt

limit 4 ppt

Near EPA limit

PFPeA

10 ppt

limit —

No federal limit

PFBA

5 ppt

limit —

No federal limit

PFHxA

4 ppt

limit —

No federal limit

PFHpA

3 ppt

limit —

No federal limit

Violations & enforcement

27

Violations on record

0

Unaddressed

3

Health-based

30

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2022 Addressed
Max contaminant level (MCL) · Total coliform health-based began Aug 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2011 Resolved
Other · EPA contaminant 7000 began Jul 2009 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2005 Resolved
Monitoring & reporting · EPA contaminant 2976 began Oct 2001 Resolved
Monitoring & reporting · EPA contaminant 2969 began Oct 2001 Resolved
Monitoring & reporting · EPA contaminant 2955 began Oct 2001 Resolved
Monitoring & reporting · EPA contaminant 2981 began Oct 2001 Resolved
Monitoring & reporting · EPA contaminant 2980 began Oct 2001 Resolved
Monitoring & reporting · EPA contaminant 2982 began Oct 2001 Resolved
Monitoring & reporting · EPA contaminant 2968 began Oct 2001 Resolved

Recent enforcement actions

  • State action · SFL Aug 2025
  • State action · SFL Jul 2024
  • State action · SIE Jul 2024
  • State action · SFL Feb 2023
  • State action · SIE Jun 2013
  • State action · SOX Oct 2012
  • State action · SFL Sep 2012
  • State action · SOX Oct 2011

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 Sep 2024

0.14 · max 0.38 mg/L · 33

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 MA3315000 — 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.