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Water system · PWSID TX1010712

HARRIS COUNTY MUD 8

HOUSTON, TX · ~3,271 people served

Check your exact address → HOUSTON overview
91
Excellent
PurityRadar safety score

PWSID

TX1010712

State

Texas

City

HOUSTON

Population served

3,271

Primary source

SWP

Score history

▼ 9 points — the score moved from 100 to 91 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 91

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

PFOS

Perfluorooctanesulfonic acid

4.2 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFHxS

Perfluorohexanesulfonic acid

3.3 ppt

limit 10 ppt

Below EPA limit

PFBA

7.5 ppt

limit —

No federal limit

PFPeA

6.1 ppt

limit —

No federal limit

PFHxA

5.2 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

0

Health-based

5

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2014. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Oct 2014
  • State action · SOX Oct 2014
  • State action · SOX Jun 1993
  • State action · SFJ Mar 1986
  • State action · SIF Jan 1983

This profile is built from EPA public records for system TX1010712 — 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.