MONTGOMERY TRACE WATER SYSTEM

NAVASOTA, TX · ~25,917 people served

Check your exact address → NAVASOTA overview

Excellent

PurityRadar safety score

PWSID

TX1700638

State

Texas

City

NAVASOTA

Population served

25,917

Primary source

SWP

Score history

▼ 13 points — the score moved from 100 to 87 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 87

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

PFOA

Perfluorooctanoic acid

4.8 ppt

limit 4 ppt

Above EPA limit · 1.2×

Lithium

31,400 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Sep 2024 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2024 Resolved

Max contaminant level (MCL) · Gross alpha health-based began Jul 2003 Resolved

Recent enforcement actions

State action · SIF Jul 2025
State action · SOX Nov 2024
State action · SIA Oct 2024
State action · SOX Oct 2024
State action · SIA Oct 2024
State action · SIE Aug 2024
State action · SIA Aug 2024
State action · SIA Aug 2024

This profile is built from EPA public records for system TX1700638 — 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.