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Water system · PWSID CT0780021

UNIVERSITY OF CONNECTICUT - MAIN CAMPUS

STORRS, CT · ~27,199 people served

Check your exact address → STORRS overview
86
Excellent
PurityRadar safety score

PWSID

CT0780021

State

Connecticut

City

STORRS

Population served

27,199

Primary source

SWP

Score history

▼ 14 points — the score moved from 100 to 86 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 86

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

PFOS

Perfluorooctanesulfonic acid

5 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFBA

5 ppt

limit —

No federal limit

Violations & enforcement

19

Violations on record

0

Unaddressed

3

Health-based

43

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2018. Official EPA record →

Monitoring · Lead & Copper Rule began Sep 2017 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2006 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2004 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2004 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2004 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2004 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2004 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2004 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2004 Resolved

Recent enforcement actions

  • State action · SIF Aug 2018
  • State action · SIE Jan 2018
  • State action · SIA Jan 2018
  • State action · SIA Jan 2018
  • State action · SOX Oct 2017
  • State action · SOX Oct 2017
  • State action · SOX Jul 2017
  • State action · SIF Jun 2007

This profile is built from EPA public records for system CT0780021 — 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.