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Water system · PWSID PR0004635

CAYEY URBANO

CAYEY, PR · ~18,185 people served

Check your exact address → CAYEY overview
100
Excellent
PurityRadar safety score

PWSID

PR0004635

State

Puerto Rico

City

CAYEY

Population served

18,185

Primary source

Surface water

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

PFBA

5.5 ppt

limit —

No federal limit

Violations & enforcement

87

Violations on record

0

Unaddressed

14

Health-based

95

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2022. Official EPA record →

Max contaminant level (MCL) · Lead & Copper Rule health-based began May 2022 Resolved
Treatment technique · Bromate health-based began Jul 2021 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2020 Resolved
Other · EPA contaminant 7000 began Oct 2018 Resolved
Monitoring & reporting · EPA contaminant 3014 began Mar 2018 Resolved
Monitoring & reporting · EPA contaminant 0100 began Mar 2018 Resolved
Monitoring & reporting · EPA contaminant 3015 began Mar 2018 Resolved
Monitoring & reporting · EPA contaminant 3015 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 0100 began Jul 2017 Resolved

Recent enforcement actions

  • State action · SOX Jun 2022
  • State action · SOX Dec 2021
  • State action · SFJ Nov 2021
  • State action · SOX Sep 2020
  • State action · SOX Sep 2020
  • State action · SOX Sep 2020
  • State action · SOX Sep 2020
  • State action · SOX Jul 2020

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 Aug 2023

0.38 · max 1.11 mg/l as N · 60

Arsenic

2 stations · latest Aug 2023

0.7 · max 0.9 ug/l · 16

Copper

2 stations · latest Aug 2023

2.15 · max 4.8 ug/l · 16

Lead

2 stations · latest Aug 2023

0.09 · max 0.36 ug/l · 8

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 PR0004635 — 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.