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Water system · PWSID TX1010152

CITY OF NASSAU BAY

NASSAU BAY, TX · ~5,347 people served

Check your exact address → NASSAU BAY overview
100
Excellent
PurityRadar safety score

PWSID

TX1010152

State

Texas

City

NASSAU BAY

Population served

5,347

Primary source

SWP

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 Jun 2025). Levels in parts per trillion (ppt).

6:2 FTS

9.7 ppt

limit —

No federal limit

PFBA

6.3 ppt

limit —

No federal limit

PFHxA

3.4 ppt

limit —

No federal limit

PFPeA

3.4 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

0

Health-based

12

Enforcement actions

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

Monitoring · Lead & Copper Rule began Mar 2024 Resolved
Other · EPA contaminant 7500 began Feb 2014 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SIF Mar 2025
  • State action · SOX May 2024
  • State action · SIE Apr 2024
  • State action · SIA Apr 2024
  • State action · SIF Apr 2014
  • State action · SOX Apr 2014
  • State action · SOX Mar 2014
  • State action · SIA Feb 2014

This profile is built from EPA public records for system TX1010152 — 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.