HIGUERA APARTMENTS

SAN LUIS OBISPO, CA · ~30 people served

Check your exact address → SAN LUIS OBISPO overview

Excellent

PurityRadar safety score

PWSID

CA4000563

State

California

City

SAN LUIS OBISPO

Population served

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Addressed

Monitoring & reporting · Nitrate began Jan 2022 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2020 Resolved

Monitoring & reporting · Nitrate began Jan 2020 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2019 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 2018 Resolved

Monitoring & reporting · Nitrate began Jan 2018 Resolved

Max contaminant level (MCL) · Nitrate health-based began Jan 2017 Resolved

Other · EPA contaminant 7000 began Jul 2005 Resolved

Recent enforcement actions

State action · SFL Nov 2025
State action · SOX Feb 2023
State action · SFL Feb 2023
State action · SOX Apr 2021
State action · SFL Feb 2021
State action · SFL Jan 2021
State action · SOX Dec 2020
State action · SFL Feb 2020

This profile is built from EPA public records for system CA4000563 — 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.