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Water system · PWSID TX2140018

CITY OF RIO GRANDE CITY

RIO GRANDE, TX · ~18,912 people served

Check your exact address → RIO GRANDE overview
100
Excellent
PurityRadar safety score

PWSID

TX2140018

State

Texas

City

RIO GRANDE

Population served

18,912

Primary source

Surface water

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

Lithium

43,000 ppt

limit —

No federal limit

PFBA

5.1 ppt

limit —

No federal limit

Violations & enforcement

22

Violations on record

1

Unaddressed

6

Health-based

47

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2023 Resolved
Treatment technique · EPA contaminant 0300 health-based began Jul 2023 Resolved
Treatment technique · EPA contaminant 0300 health-based began Jul 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Monitoring & reporting · EPA contaminant 0300 began Dec 2018 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2015 Resolved
Other · EPA contaminant 7500 began Dec 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Sep 2014 Resolved
Other · EPA contaminant 7500 began Apr 2010 Resolved

Recent enforcement actions

  • State action · SIA Dec 2025
  • State action · SOX Nov 2023
  • State action · SIA Oct 2023
  • State action · SIF Sep 2023
  • State action · SIF Sep 2023
  • State action · SIA Sep 2023
  • State action · SIA Sep 2023
  • State action · SOX Sep 2023

This profile is built from EPA public records for system TX2140018 — 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.