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Water system · PWSID TX0570059

TOWN OF SUNNYVALE

SUNNYVALE, TX · ~8,839 people served

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

PWSID

TX0570059

State

Texas

City

SUNNYVALE

Population served

8,839

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

PFBA

7.6 ppt

limit —

No federal limit

PFHxA

7.4 ppt

limit —

No federal limit

PFPeA

6.9 ppt

limit —

No federal limit

PFBS

4.4 ppt

limit —

No federal limit

Violations & enforcement

23

Violations on record

0

Unaddressed

0

Health-based

53

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2021 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2016 Resolved
Other · EPA contaminant 7500 began Feb 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2015 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2008 Resolved
Other · EPA contaminant 7000 began Jul 2007 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2007 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2006 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2006 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2006 Resolved

Recent enforcement actions

  • State action · SOX Feb 2022
  • State action · SIA Jan 2022
  • State action · SIF Jun 2018
  • State action · SIF Jun 2018
  • State action · SIF Jun 2018
  • State action · SOX Jun 2018
  • State action · SOX Jan 2018
  • State action · SIE Jan 2018

This profile is built from EPA public records for system TX0570059 — 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.