CITY REPORT CA

Lemon Grove, CA Home Safety: Home Safety 92/100

2 ZIP codes · 3 water systems · Updated

ZipCheckup grade for Lemon Grove: A.

Checked records flag no major concern; missing data is unknown.

Lemon Grove, CA: a top-two-band grade.

How Lemon Grove Compares

Lemon Grove92/100
California avg76/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
3
Water Systems
0
ZIPs Linked to Systems with Violations
A · 92
Avg Safety Score
Zone 3
County Radon Potential (Low)
$641K
Median Home Value

Who Supplies Your Water in Lemon Grove

Service in Lemon Grove, CA can differ by address: 3 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.

Overview

We track home safety data for 2 ZIP codes in Lemon Grove, California (population ~27,531), covering 3 community water systems serving approximately 1,901,055 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Lemon Grove: A (92/100)

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

Lemon Grove water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

2 of 2 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Areas with No Violations

ZIP Code Safety Score System Population
91945 A Helix Water District 277,668

All ZIP Codes in Lemon Grove

Data Sources

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

Health Outcomes in Lemon Grove

8.9%
Asthma (US: 9.8%)
10%
Diabetes (US: 10.4%)
16.3%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 8.9% ↓
Diabetes 10% ↓
Mental Health 16.3% ↑

Vertical line = national average. ■ Above national · ■ Below national

Historical NFIP Claim Context in Lemon Grove

10
Total FEMA Flood Claims
$23,186
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Lemon Grove contains 10 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $23,186. 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.

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 Lemon Grove, CA?
Lemon Grove has an average Home Safety Score of 92/100 (Grade A) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
How does Lemon Grove compare to California average?
Lemon Grove has an average Home Safety Score of 92/100, which is at or above the California state average of 76/100 for the same model series.
How many water systems serve Lemon Grove?
Our records map 3 water systems to 2 ZIP codes in Lemon Grove. The related population figure in our data is approximately 27,531 people; it is not a count of people served citywide.
Home → Cities → California → Lemon Grove, CA

How to cite this page

APA ZipCheckup. (2026). Lemon Grove, CA Home Safety: Home Safety 92/100. https://zipcheckup.com/cities/ca/lemon-grove/
BibTeX
@misc{zipcheckup-cities-ca-lemon-grove,
  author = {{ZipCheckup}},
  title  = {{Lemon Grove, CA Home Safety: Home Safety 92/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/lemon-grove/}
}

Page version: October 2026.

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