WHATELY WATER DEPARTMENT

SOUTH DEERFIELD, MA · ~900 people served

Check your exact address → SOUTH DEERFIELD overview

100

Excellent

PurityRadar safety score

PWSID

MA1337010

State

Massachusetts

City

SOUTH DEERFIELD

Population served

900

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

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

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 Nov 2024). Levels in parts per trillion (ppt).

Lithium

20,600 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jun 2020 Unaddressed

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

Monitoring & reporting · Arsenic began Jul 2019 Resolved

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

Monitoring · Lead & Copper Rule began Apr 2017 Resolved

Monitoring · Lead & Copper Rule began Mar 2017 Resolved

Monitoring · Lead & Copper Rule began Jan 2017 Resolved

Monitoring & reporting · Lead & Copper Rule began Jun 2015 Resolved

Other · EPA contaminant 7000 began Jul 2013 Resolved

Recent enforcement actions

State action · SFL Aug 2025
State action · SFL May 2022
State action · SFL Feb 2022
State action · SOX Oct 2021
State action · SOX Oct 2020
State action · SFL Jan 2020
State action · SOX Jan 2020
State action · SFL Apr 2019

This profile is built from EPA public records for system MA1337010 — 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.