NORTHEAST HARRIS COUNTY MUD 1 SHELDON RI

HOUSTON, TX · ~1,788 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1013448

State

Texas

City

HOUSTON

Population served

1,788

Primary source

GWP

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

Lithium

15,500 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2016. Official EPA record →

Other · EPA contaminant 7500 began Jul 2016 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2015 Resolved

Recent enforcement actions

State action · SIF Aug 2016
State action · SIA Aug 2016
State action · SOX Jul 2016
State action · SOX May 2016
State action · SIA Apr 2016
State action · SIE Apr 2016

This profile is built from EPA public records for system TX1013448 — 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.