COUNTY REPORT AZ

Yuma County, Arizona

Name: Home Safety Data for Yuma County, Arizona
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

12 ZIP codes · Avg score 70/100 · Grade B

ZipCheckup grade for Yuma County: B.

This ZIP has a few items worth a quick check.

Looking at the composite Home Safety Score, Yuma County comes out in the A-B range, and the reports for its 12 ZIP codes show which data sit behind that result.

How Yuma County Compares

Yuma County70/100

Arizona avg66/100

National avg73/100

How Yuma County Compares

County Grade

70/100

Avg Safety Score

ZIP Codes

Water Systems

Yuma County scores 4 points above the Arizona state average (66/100) and 3 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

County Grade

Avg Safety Score

ZIP Codes

Gadsden

Best ZIP: 85336 (77/100)

Yuma

Lowest ZIP: 85367 (67/100)

$197K

Median Home Value

$586

Avg Remediation (0.30% of home value)

ZIP Code Risk Map

Water Quality Map: Yuma County, Arizona

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.4 (asthma 9.7%, diabetes 14.5%)

Modeled additional annual cost estimate per homeowner: $608, largest modeled factor: Flood

26% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 9.7% (national: 8.9%)

Diabetes 14.5% (national: 10.5%)

Obesity 37.4% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1991

Median Build Year

26%

Pre-1980 Housing

41/100

Infrastructure Stress Indicator

42%

ZIPs with High Infrastructure Stress

Low

Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $608

Flood $657/yr

Wildfire $150/yr

Energy Code Gap $90/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

92,818 housing units in Yuma County

Pre-1940 1%

1940–1959 7%

1960–1979 18%

1980–1999 36%

2000+ 37%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Yuma County

$197K

Median Home Value

$586

Est. Remediation Cost

0.3%

of Home Value

Remediation as % of home value low burden

Modeled remediation costs in Yuma County can be compared with the median property value; actual costs vary by property.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Yuma County residents

Asthma 9.7% (US avg: 8.9%)

Diabetes 14.5% (US avg: 11%)

Obesity 37.4% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems mapped to Yuma County ZIP codes

8 community water systems mapped to Yuma County ZIP codes; EPA may list more systems serving the county.

City of Yuma
Serves ~103,264 people 54 violations

C
City of San Luis
Serves ~39,705 people 9 violations

C
Foothills Water and Sewer Llc
Serves ~32,425 people 236 violations

C
City of Somerton
Serves ~14,197 people 6 violations

C
Usmc Yuma Main System
Serves ~8,353 people 13 violations

C
Wellton Town of
Serves ~3,000 people 129 violations

Show all 8 water systems

Gila Bend Town of
Serves ~1,922 people 10 violations
Cs Tierra Mesa Estates Water Company
Serves ~632 people 37 violations

C

9 water systems mapped to Yuma County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Yuma County

5 water systems with violations in EPA records.

Foothills Water and Sewer Llc
Serves ~32,425 people 236 violations

C
Wellton Town of
Serves ~3,000 people 129 violations
City of Yuma
Serves ~103,264 people 54 violations

C
Jones Coop Water Assoc
Serves ~35 people 46 violations

C
Cs Tierra Mesa Estates Water Company
Serves ~632 people 37 violations

C

All ZIP Codes in Yuma County

12 ZIP codes tracked in Yuma County.

#	ZIP Code	City	Safety Score	Grade	Violations	Home Value
1	85336	Gadsden	77	B	9 (3 health)	$198K
2	85349	San Luis	77	B	9 (3 health)	$197K
3	85350	Somerton	67	C	69 (20 health)	$211K
4	85364	Yuma	67	C	54 (17 health)	$204K
5	85365	Yuma	67	C	515 (81 health)	$190K
6	85367	Yuma	67	C	236	$185K
7	85333	Dateland	—	—	10	—
8	85347	Roll	—	—		—
9	85352	Tacna	—	—		—
10	85356	Wellton	—	—	129 (33 health)	$117K
11	85366	Yuma	—	—		—
12	85369	Yuma	—	—		—

Recommended Buyer Guides for Yuma County

When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.

Water Filters Certified for PFAS Reduction — PFAS detected in 2 ZIP codes
Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Best Sump Pumps — Flood is the top compound risk factor
Best Mold Test Kits — Flood-driven moisture and mold risk

Deep Dive Reports

Detailed analysis for Yuma County, Arizona

💧

Water Quality

EPA violations, contaminant trends, and enforcement actions across the county

⚠️

Lead Risk

Lead exposure scores, housing age analysis, and LCR testing trends

🏠

Home Affordability

Remediation costs vs. home values, equity trap analysis by ZIP

$586 avg remediation

🌊

Flood Risk

NFIP claim history and recorded rated-zone context across the county, plus FEMA property-map guidance

Overview

Yuma County in Arizona covers 12 tracked ZIP records with an average Home Safety Score of B (70/100) across 6 scored records.

8 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 84 health-based violations appear in the available health breakdown.

← Back to Arizona Home Safety Profile

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
PFAS screening: EPA UCMR 5
Radon zones: EPA Map of Radon Zones
Air quality: EPA AirData annual AQI
Home values: U.S. Census Bureau ACS (median estimates by ZCTA)

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

Frequently Asked Questions

Is water safe in Yuma County?

Yuma County receives an average Home Safety grade of B from its scored ZIP records (12 ZIP codes tracked); this is a composite index, not a tap-water test.

How many water systems serve Yuma County?

We map 9 public water systems to 12 ZIP codes in our data for Yuma County. EPA may list more systems serving the county, so this is not a full count.

What is the biggest environmental risk in Yuma County?

In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Yuma County is flood. Across all modeled risk factors, the estimated average additional annual cost is $608 per homeowner; actual costs vary by home.

How old are homes in Yuma County?

The median home build year in Yuma County is 1991. 26% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How does Yuma County compare to Arizona?

Yuma County has an average Home Safety Score of 70/100 under model 4.0.0, which is at or above the Arizona state average of 66/100.

Explore More

Flood Risk Rankings 2026 Water Safety Rankings 2026 Home Safety Rankings 2026 Water Filter Matcher Find the right filter for your water Home Safety Score Full safety breakdown by ZIP

Arizona State Overview →