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Water system · PWSID TX1010159

HARRIS COUNTY WCID 1

83
Good
PurityRadar safety score

PWSID

TX1010159

State

Texas

City

HIGHLANDS

Population served

8,559

Primary source

SWP

Score history

▼ 17 points — the score moved from 100 to 83 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 83

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

PFOS

Perfluorooctanesulfonic acid

5.5 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFHxS

Perfluorohexanesulfonic acid

4.3 ppt

limit 10 ppt

Below EPA limit

Lithium

10,300 ppt

limit —

No federal limit

PFBA

7.4 ppt

limit —

No federal limit

PFBS

4.3 ppt

limit —

No federal limit

PFPeA

3.4 ppt

limit —

No federal limit

PFHxA

3.3 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

0

Health-based

13

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Aug 2021
  • State action · SIF Jul 2021
  • State action · SIF Jul 2021
  • State action · SIA Mar 2021
  • State action · SIE Mar 2021
  • State action · SOX Dec 2020
  • State action · SIA Oct 2020
  • State action · SIE Oct 2020

This profile is built from EPA public records for system TX1010159 — 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.