COUNTY REPORT AZ

Mohave County, Arizona

31 ZIP codes · Avg score 70/100 · Grade B · Updated

ZipCheckup grade for Mohave County: B.

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

Recent water monitoring in Mohave County shows 31 ZIP codes with consistently safe results.

How Mohave County Compares

Mohave County70/100
Arizona avg66/100
National avg73/100

How Mohave County Compares

B
County Grade
70/100
Avg Safety Score
31
ZIP Codes
20
Water Systems

Mohave 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 Last verified:

B
County Grade
70
Avg Safety Score
31
ZIP Codes
Best ZIP: 86403 (82/100)
Lowest ZIP: 86442 (50/100)
$211K
Median Home Value
$1,455
Avg Remediation (69% of home value)

ZIP Code Risk Map

Water Quality Map: Mohave 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: 15.4 (asthma 11%, diabetes 14.2%)

Estimated additional annual cost per homeowner: $1,679, driven primarily by wildfire

34.5% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

EPA violation counts by year across Mohave County water systems. Health-based shown in red, total in blue.

2021
2 (2 health)
2022
5 (5 health)
2023
6 (6 health)
2024
18 (18 health)
2025
8 (8 health)

Peak year: 2024 with 18 violations. Past 5 years: 39 total (39 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 11% (national: 8.9%)
Diabetes 14.2% (national: 10.5%)
Obesity 32.7% (national: 32.4%)

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

Infrastructure Overview

1994
Median Build Year
34.5%
Pre-1978 Housing
35/100
Infrastructure Stress Indicator
23%
ZIPs with High Infrastructure Stress
Moderate
Lead Pipe Risk

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

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,679

Wildfire $1,200/yr
Flood $600/yr
Water Infrastructure $105/yr

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

Housing Age Distribution

117,777 housing units in Mohave County

Pre-1940 0%
1940–1959 2%
1960–1979 19%
1980–1999 44%
2000+ 35%

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 Mohave County

$211K
Median Home Value
$1,455
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Mohave County, representing a small fraction of property value.

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 Mohave County residents

Asthma 11% (US avg: 8.9%)
Diabetes 14.2% (US avg: 11%)
Obesity 32.7% (US avg: 32.4%)

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

Water systems serving Mohave County

8 community water systems serving Mohave County.

Show all 8 water systems

20 total water systems serve Mohave County.

Systems with the most violations in Mohave County

5 water systems with recorded EPA violations.

All ZIP Codes in Mohave County

31 ZIP codes tracked in Mohave County.

# ZIP Code City Safety Score Grade Violations Home Value
1 86403 Lake Havasu City 82 B 4 $313K
2 86406 Lake Havasu City 80 B 12 $435K
3 86404 Lake Havasu City 78 B 13 $421K
4 86436 Topock 76 B 15 (2 health) $207K
5 86401 Kingman 75 B 19 (1 health) $247K
6 86409 Kingman 75 B 14 (1 health) $172K
7 86413 Golden Valley 73 B 22 (1 health) $158K
8 86426 Fort Mohave 67 C 892 (5 health) $274K
9 86440 Mohave Valley 67 C 106 (18 health) $232K
10 86429 Bullhead City 50 D 862 (5 health) $320K
11 86442 Bullhead City 50 D 842 (2 health) $174K
12 85360 Wikieup $144K
13 86021 Colorado City $239K
14 86402 Kingman
15 86405 Lake Havasu City
16 86411 Hackberry $146K
17 86412 Hualapai
18 86427 Fort Mohave
19 86430 Bullhead City
20 86431 Chloride $130K
21 86432 Littlefield $216K
22 86433 Oatman
23 86434 Peach Springs $117K
24 86437 Valentine $243K
25 86438 Yucca $278K
26 86439 Bullhead City
27 86441 Dolan Springs 12 $93K
28 86443 Temple Bar Marina
29 86444 Meadview $151K
30 86445 Willow Beach $171K
31 86446 Mohave Valley

Recommended Buyer Guides for Mohave County

Independent picks. EPA-grounded. Matched here.

Overview

Mohave County in Arizona covers 31 tracked ZIP records with an average Home Safety Score of B (70/100) across 11 scored records.

12 of 12 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 26 health-based violations appear in the available health breakdown.

← Back to Arizona Home Safety Profile

Data Sources

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

Frequently Asked Questions

Is water safe in Mohave County?
Mohave County receives a grade of B, indicating generally safe tap water across its 31 ZIP codes.
How many water systems serve Mohave County?
Mohave County is served by 20 public water systems that supply drinking water to residents across 31 ZIP codes.
What is the biggest environmental risk in Mohave County?
The primary environmental risk factor in Mohave County is wildfire. This contributes to an estimated additional annual cost of $1,679 per homeowner.
How old are homes in Mohave County?
The median home build year in Mohave County is 1994. 34.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Mohave County compare to Arizona?
Mohave County has an average Home Safety Score of 70/100 under model 4.0.0, which is above the Arizona state average of 66/100.

How to cite this page

APA ZipCheckup. (2026). Mohave County, AZ: HSS 70/100; PFAS Found in Water. https://zipcheckup.com/county/arizona/mohave/
BibTeX
@misc{zipcheckup-county-arizona-mohave,
  author = {{ZipCheckup}},
  title  = {{Mohave County, AZ: HSS 70/100; PFAS Found in Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/arizona/mohave/}
}

Page version: August 2026.

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