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Water system · PWSID TX1012214

HARRIS COUNTY MUD 186

100
Excellent
PurityRadar safety score

PWSID

TX1012214

State

Texas

City

HOUSTON

Population served

4,005

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

Lithium

20,200 ppt

limit —

No federal limit

PFBA

7.3 ppt

limit —

No federal limit

PFPeA

6.5 ppt

limit —

No federal limit

PFHxA

5.8 ppt

limit —

No federal limit

PFBS

3.2 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2011. Official EPA record →

Other · EPA contaminant 7500 began Mar 2011 Resolved
Monitoring & reporting · Total coliform began Nov 2010 Resolved

Recent enforcement actions

  • State action · SIA Jul 2011
  • State action · SIE Jan 2011
  • State action · SIA Jan 2011
  • State action · SOX Nov 2010

This profile is built from EPA public records for system TX1012214 — 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.