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Water system · PWSID PA1150026

DOWNINGTOWN WATER AUTHORITY

DOWNINGTOWN, PA · ~9,900 people served

Check your exact address → DOWNINGTOWN overview
91
Excellent
PurityRadar safety score

PWSID

PA1150026

State

Pennsylvania

City

DOWNINGTOWN

Population served

9,900

Primary source

Surface water

Score history

▼ 9 points — the score moved from 100 to 91 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 91

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

PFOA

Perfluorooctanoic acid

4.2 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFBS

3.7 ppt

limit —

No federal limit

PFPeA

3.4 ppt

limit —

No federal limit

PFHxA

3.1 ppt

limit —

No federal limit

Violations & enforcement

106

Violations on record

0

Unaddressed

14

Health-based

97

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2024. Official EPA record →

Monitoring & reporting · EPA contaminant 2982 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2979 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 2983 began Jan 2023 Resolved

Recent enforcement actions

  • State action · SOX Feb 2024
  • State action · SIA Feb 2024
  • State action · SIF Jun 2023
  • State action · SIE Jul 2022
  • State action · SIA Jul 2022
  • State action · SOX Jul 2022
  • State action · SIA Jul 2022
  • State action · SOX Jul 2022

This profile is built from EPA public records for system PA1150026 — 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.