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Water system · PWSID TX1012361

HARRIS COUNTY MUD 238

THE WOODLANDS, TX · ~7,773 people served

Check your exact address → THE WOODLANDS overview
100
Excellent
PurityRadar safety score

PWSID

TX1012361

State

Texas

City

THE WOODLANDS

Population served

7,773

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

Lithium

20,700 ppt

limit —

No federal limit

PFBA

6.1 ppt

limit —

No federal limit

PFPeA

5.8 ppt

limit —

No federal limit

PFHxA

4.6 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

6

Health-based

31

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2020. Official EPA record →

Other · EPA contaminant 7500 began Mar 2020 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2020 Resolved
Other · EPA contaminant 7500 began Oct 2019 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2019 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 2018 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2018 Resolved
Other · EPA contaminant 7500 began Feb 2004 Resolved
Monitoring & reporting · Total coliform began Oct 2003 Resolved

Recent enforcement actions

  • State action · SOX Dec 2020
  • State action · SIF Jul 2020
  • State action · SOX Jul 2020
  • State action · SIF Jul 2020
  • State action · SFL Jun 2020
  • State action · SIE Jun 2020
  • State action · SIA Jun 2020
  • State action · SIA Apr 2020

This profile is built from EPA public records for system TX1012361 — 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.