PWSID
TX0570050
State
Texas
City
IRVING
Population served
264,546
Primary source
SWP
Score history
▼ 16 points — the score moved from 100 to 84 on Jun 18, 2026, as newly published EPA data was incorporated.
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 Apr 2024). Levels in parts per trillion (ppt).
PFOA
Perfluorooctanoic acid
4.9 ppt
limit 4 ppt
PFOS
Perfluorooctanesulfonic acid
4 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
3 ppt
limit 10 ppt
Lithium
9,070 ppt
limit —
PFBA
9.8 ppt
limit —
PFPeA
7.2 ppt
limit —
PFHxA
7.1 ppt
limit —
PFBS
4.5 ppt
limit —
PFHpA
3.2 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
0
Health-based
8
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Jul 2017. Official EPA record →
Recent enforcement actions
- State action · SIF Jul 2017
- State action · SOX May 2017
- State action · SIA Apr 2017
- State action · SIE Apr 2017
- State action · SIA Apr 2017
- State action · SIE Apr 2017
- State action · SIA Oct 2015
- State action · SOX Jun 2015
This profile is built from EPA public records for system TX0570050 — 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.