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Water system · PWSID TX0430007

CITY OF PLANO

PLANO, TX · ~292,059 people served

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

PWSID

TX0430007

State

Texas

City

PLANO

Population served

292,059

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

PFBA

6 ppt

limit —

No federal limit

PFHxA

4.4 ppt

limit —

No federal limit

PFPeA

4.3 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

2

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2015. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Apr 2011 Resolved
Other · EPA contaminant 7500 began Aug 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2010 Resolved
Monitoring & reporting · Total coliform began Jun 2010 Resolved
Monitoring & reporting · Total coliform began Aug 2005 Resolved

Recent enforcement actions

  • State action · SOX Aug 2015
  • State action · SIA Jul 2011
  • State action · SIF Jun 2011
  • State action · SIA Apr 2011
  • State action · SIE Apr 2011
  • State action · SOX Jan 2011
  • State action · SIF Sep 2010
  • State action · SIE Jul 2010

This profile is built from EPA public records for system TX0430007 — 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.