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Water system · PWSID CA3010037

YORBA LINDA WATER DISTRICT

PLACENTIA, CA · ~84,292 people served

Check your exact address → PLACENTIA overview
100
Excellent
PurityRadar safety score

PWSID

CA3010037

State

California

City

PLACENTIA

Population served

84,292

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

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 May 2024). Levels in parts per trillion (ppt).

Lithium

9,856 ppt

limit —

No federal limit

PFBA

18 ppt

limit —

No federal limit

PFPeA

4.2 ppt

limit —

No federal limit

Violations & enforcement

No violations are on record for this system in EPA’s SDWIS/ECHO data.

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest Jul 2020

1.99 · max 1.99 mg/l as N · 2

Arsenic

1 station · latest Jul 2020

2.7 · max 2.7 ug/l · 1

Atrazine

1 station · latest Jul 2020

19.4 · max 19.4 ng/l · 1

Copper

1 station · latest Jul 2020

5.5 · max 5.5 ug/l · 1

Fluoride

1 station · latest Jul 2020

0.47 · max 0.47 mg/l · 1

Lead

1 station · latest Jul 2020

2.21 · max 2.21 ug/l · 1

Manganese

1 station · latest Jul 2020

2.26 · max 2.26 ug/l · 1

Uranium

1 station · latest Jul 2020

12.7 · max 12.7 ug/l · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system CA3010037 — 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.