CITY REPORT CA

Placentia, CA: 3 Violations - Home Safety 74/100

2 ZIP codes · 5 water systems · Updated

ZipCheckup grade for Placentia: B.

This ZIP looks solid, with a few items worth a quick check.

Placentia tap water earns a high safety grade - above-average compliance with CA and federal standards.

How Placentia Compares

Placentia74/100
California avg76/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
5
Water Systems
1
ZIPs with Violations
B · 74
Avg Safety Score
Zone 3
Radon Risk (Low)
$871K
Median Home Value
$1,800
Est. Remediation (0.2% of home value)

What You Should Know About Placentia Water

  • Your city's water systems recorded 3 violations in the past 5 years.
  • Average lead level: 0.0025 mg/L.
  • Estimated remediation: $1,800 per household.
  • CDC health risk index: 10.23.

Who Supplies Your Water in Placentia

Water delivery in Placentia, CA is handled by 3 utilities rather than a single system - drawn from 5 providers in federal records, each filing its own compliance reports and setting its own rates.

Overview

We track home safety data for 2 ZIP codes in Placentia, California (population ~52,384), covering 5 community water systems serving approximately 671,206 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Placentia: B (74/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Placentia water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0025 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 0 ZIP codes
  • Zone 3 (Low): 2 ZIP codes

Top Contaminants

Contaminant Category Violations ZIPs Affected
Consumer Confidence Report Rule Reporting 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
92870 B 3 0 Golden State Wc - Placentia/yorba Linda

All ZIP Codes in Placentia

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Placentia

9%
Asthma (US: 9.8%)
11.5%
Diabetes (US: 10.4%)
16%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9% ↓
Diabetes 11.5% ↑
Mental Health 16% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Placentia Water

Consumer Confidence Report Rule 4 violations
Reporting
Total Trihalomethanes (TTHM) 2 violations
Disinfection Byproducts · EPA limit: 0.08 mg/L
Increased cancer risk with long-term exposure

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Cost Context: What Remediation Means for Placentia Homeowners

Given current Placentia valuations, the remediation-to-property-value ratio is low - most homeowners are looking at a proportionally modest share that fits within routine financial planning.

Median Home Value
$871,000
Est. Remediation
$1,800
Remediation as % of home value 0.2%

Remediation costs in Placentia are relatively low compared to home values. The $1,200–$2,600 estimated range is a small fraction of median property value. Home values are 18% above the California average.

Lead Exposure Risk for Children in Placentia

0.0025
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Lead risk in Placentia appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Placentia

12
Total FEMA Flood Claims
$19,043
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Placentia contains 12 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $19,043. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,800</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

What does the Home Safety Score mean for Placentia, CA?
Placentia has an average Home Safety Score of 74/100 (Grade B) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 3 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Placentia have?
Placentia water systems have a total of 3 EPA violations. Violations are tracked across 2 ZIP codes.
Does Placentia water have lead?
The average 90th-percentile lead level in Placentia is 0.0025 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Placentia compare to California average?
Placentia has an average Home Safety Score of 74/100, which is below the California state average of 76/100 for the same model series.
How many water systems serve Placentia?
Placentia is served by 5 public water systems across 2 ZIP codes, serving approximately 52,384 people.
How much does it cost to fix water issues in Placentia?
Estimated remediation costs in Placentia average $1,800 per household, ranging from $1,200 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Placentia, CA

How to cite this page

APA ZipCheckup. (2026). Placentia, CA: 3 Violations - Home Safety 74/100. https://zipcheckup.com/cities/ca/placentia/
BibTeX
@misc{zipcheckup-cities-ca-placentia,
  author = {{ZipCheckup}},
  title  = {{Placentia, CA: 3 Violations - Home Safety 74/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/placentia/}
}

Page version: August 2026.

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