DIANA SUD

DIANA, TX · ~7,320 people served

Check your exact address → DIANA overview

100

Excellent

PurityRadar safety score

PWSID

TX2300006

State

Texas

City

DIANA

Population served

7,320

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

Lithium

18,000 ppt

limit —

No federal limit

PFBA

5.3 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2024 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2007 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

State action · SOX Jun 2025
State action · SIA Sep 2024
State action · SOX Mar 2008
State action · SIF Aug 2007
State action · SFJ Aug 2007
State action · SIE Aug 2007
State action · SOX Jun 1993
EPA/federal action · EFJ Apr 1980

This profile is built from EPA public records for system TX2300006 — 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.