PWSID
MA3009000
State
Massachusetts
City
ANDOVER
Population served
36,569
Primary source
Surface water
Score history
No change since tracking began Jun 18, 2026.
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 2025). Levels in parts per trillion (ppt).
PFPeA
4 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
1
Health-based
6
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Apr 2022. Official EPA record →
Recent enforcement actions
- State action · SFO Apr 2022
- State action · SOX Mar 2010
- State action · SFJ Apr 2009
- State action · SFL Oct 2008
- State action · SOX Jan 2005
- State action · SO8 May 1992
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.
Nitrate
1 station · latest Aug 2023
Arsenic
1 station · latest Sep 2023
Copper
1 station · latest Sep 2023
Lead
1 station · latest Sep 2023
Uranium
1 station · latest Sep 2022
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 MA3009000 — 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.