PWSID
CA3110004
State
California
City
LINCOLN
Population served
54,538
Primary source
SWP
Score history
▼ 15 points — the score moved from 100 to 85 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 Jan 2025). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
4.3 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
8.5 ppt
limit 10 ppt
Violations & enforcement
No violations are on record for this system in EPA’s SDWIS/ECHO data.
This profile is built from EPA public records for system CA3110004 — 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.