Water system · PWSID FL4504903
SEMINOLE IMPROVEMENT DISTRICT
PWSID
FL4504903
State
Florida
City
WESTLAKE
Population served
4,993
Primary source
Groundwater
Score history
▼ 44 points — the score moved from 100 to 56 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 Dec 2023). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
11 ppt
limit 4 ppt
PFOA
Perfluorooctanoic acid
4.5 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
3.7 ppt
limit 10 ppt
PFPeA
6.6 ppt
limit —
PFBA
5.5 ppt
limit —
PFHxA
5.4 ppt
limit —
PFBS
4.8 ppt
limit —
PFHpA
3.4 ppt
limit —
Violations & enforcement
55
Violations on record
0
Unaddressed
0
Health-based
11
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement May 2019. Official EPA record →
Recent enforcement actions
- State action · SOX May 2019
- State action · SOX May 2018
- State action · SOX Dec 2017
- State action · SOX Apr 2017
- State action · SOX Sep 2016
- State action · SF4 Jun 2008
- State action · SFK Jun 2008
- State action · SFK Jun 2008
This profile is built from EPA public records for system FL4504903 — 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.