PWSID
TX1090001
State
Texas
City
HILLSBORO
Population served
8,867
Primary source
SWP
Score history
▼ 11 points — the score moved from 100 to 89 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 Nov 2023). Levels in parts per trillion (ppt).
PFOA
Perfluorooctanoic acid
4.5 ppt
limit 4 ppt
PFPeA
13 ppt
limit —
PFHxA
11 ppt
limit —
PFBA
8.2 ppt
limit —
6:2 FTS
5.7 ppt
limit —
PFBS
5.4 ppt
limit —
Violations & enforcement
16
Violations on record
0
Unaddressed
4
Health-based
44
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement May 2023. Official EPA record →
Recent enforcement actions
- State action · SOX May 2023
- State action · SIF Apr 2023
- State action · SIF Apr 2023
- State action · SOX Apr 2023
- State action · SOX Apr 2023
- State action · SO0 Apr 2023
- State action · SIE Mar 2023
- State action · SIA Mar 2023
This profile is built from EPA public records for system TX1090001 — 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.