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Water system · PWSID TX1010908

RICE UNIVERSITY

HOUSTON, TX · ~8,415 people served

Check your exact address → HOUSTON overview
100
Excellent
PurityRadar safety score

PWSID

TX1010908

State

Texas

City

HOUSTON

Population served

8,415

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 Jan 2024). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

3 ppt

limit 10 ppt

Below EPA limit

Lithium

22,800 ppt

limit —

No federal limit

PFBA

7.8 ppt

limit —

No federal limit

PFPeA

6.9 ppt

limit —

No federal limit

PFHxA

6.3 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

1

Health-based

31

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Other · EPA contaminant 7500 began Jun 2021 Resolved
Monitoring & reporting · EPA contaminant 3014 began Sep 2020 Resolved
Monitoring · Lead & Copper Rule began May 2020 Resolved
Other · EPA contaminant 7500 began Jan 2019 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved

Recent enforcement actions

  • State action · SIF Apr 2025
  • State action · SIF Apr 2025
  • State action · SOX Apr 2025
  • State action · SIA Mar 2025
  • State action · SIE Mar 2025
  • State action · SIE Mar 2025
  • State action · SIA Mar 2025
  • State action · SIF Aug 2023

This profile is built from EPA public records for system TX1010908 — 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.