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Water system · PWSID TX1012677

HARRIS COUNTY MUD 285

100
Excellent
PurityRadar safety score

PWSID

TX1012677

State

Texas

City

HOUSTON

Population served

14,268

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).

PFHxS

Perfluorohexanesulfonic acid

3.6 ppt

limit 10 ppt

Below EPA limit

PFBA

6.6 ppt

limit —

No federal limit

PFPeA

4.9 ppt

limit —

No federal limit

PFHxA

4.5 ppt

limit —

No federal limit

PFBS

3.4 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2024 Resolved

Recent enforcement actions

  • State action · SIF Jun 2025
  • State action · SOX Feb 2025
  • State action · SIA Dec 2024
  • State action · SIE Dec 2024

This profile is built from EPA public records for system TX1012677 — 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.