WaterVerge

Is Fort Mohave, AZ Tap Water Safe to Drink?

Graded D, with 71 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 2 water systems PWSID: AZ0408021
Overall Score
47 / 100
Violations
71 active
Last Updated
May 2026
Source
Groundwater
#221 of 292 in Arizona Top 88% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
47/100
waterverge.com
D 47/100

Fort Mohave, AZ — Water Quality Report

Fort Mohave's drinking water received a grade of D (47 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 1,758 residents using groundwater.

Lead levels were measured at 1.1 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 321 violations on record, including 19 health-based violations. 71 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Fort Mohave's water

Fort Mohave ranks #221 out of 292 cities in Arizona for water quality, placing it among the lowest-rated in the state.

Fort Mohave relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Fort Mohave may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 47 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
47 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Fort Mohave, AZ water safe to drink?

Concerns Identified

Fort Mohave's drinking water has significant quality concerns based on EPA testing data. With a grade of D (47/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,758 residents using groundwater (wells).

71
Active Violations
1.1 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Fort Mohave

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Fort Mohave's water quality assessment. Grade: D (47/100).

Violation
3 drinking water violations recorded

Contaminants: Public Notice, LEAD AND COPPER RULE REVISIONS, Chlorine.

Violation
2 drinking water violations recorded

Contaminants: Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-691). Flood event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Fort Mohave's water supply.

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Fort Mohave's water system has 321 total violations on record, including 19 health-based violations. 71 remain unresolved. 47 violations were issued in the last 5 years.

OtherRPTMRTTMCL
Most recent violations:
Jul 2025 Public Notice Open
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2025 Chlorine Resolved
Apr 2025 Chlorine Resolved
Apr 2025 Chlorine Resolved

Flood & environmental risk

Mohave County has experienced 5 federally declared disasters since 1978. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Colorado River, Firebreak Canal.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3241
SEVERE STORMS & FLOODING
Flood FEMA DR-691
FLOODING
Flood FEMA DR-686

Where does Fort Mohave's water come from?

Fort Mohave's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,758 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Colorado River (river), Firebreak Canal (stream).

What Fort Mohave residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Fort Mohave's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Fort Mohave's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

321
Total violations
19
Health-based
71
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

321 Total
71 Active
19 Health-based
250 Resolved
4 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
125
Total Coliform Rule
56
Consumer Confidence Rule
34
Lead and Copper Rule
19
Volatile Organic Chemicals
18
Jul 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Feb 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
May 2024 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Apr 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Apr 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Apr 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Apr 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2024 Active
Public Notice
Other Violation 0
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2023 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Public Notice
Other Violation 0
Jan 2022 Active
Public Notice
Other Violation 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2021 Active
Public Notice
Other Violation 0
Jul 2021 Active
Public Notice
Other Violation 0
Showing 20 of 321 violations
Industrial pollution

Top industrial polluters within 10 miles of Fort Mohave

Industrial polluters nearby

Reported releases to surface water by facilities near Fort Mohave, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
GOLDEN VERTEX CORP
Metal Mining · MAKO US
BULLHEAD CITY, AZ86442
9.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Mohave County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

1
Weeks at D2+ (current streak)
48.1%
Months in D2+ (last 30y)
1
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Mohave County has experienced 5 federally declared disasters since 1978. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3241
Oct 1983
SEVERE STORMS & FLOODING
Flood FEMA #691
Jul 1983
FLOODING
Flood FEMA #686
Feb 1980
SEVERE STORMS & FLOODING
Flood FEMA #614
Mar 1978
SEVERE STORMS & FLOODING
Flood FEMA #551

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.0 ppb from 2004 (3.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Fort Mohave compares by contaminant

Explore where Fort Mohave ranks among all Arizona cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
1,758
Water Systems
2
Water Source

Where Fort Mohave's water comes from

Groundwater

Fort Mohave's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 1,758 people through 2 water systems.

Local Hydrology

Water bodies near Fort Mohave

Fort Mohave is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Colorado River
river
Firebreak Canal
stream
Infrastructure

Water systems serving Fort Mohave

System Name PWSID Population Source
LAGOON ESTATES WC UNIT 7 AZ0408021 1,578 GW
SNOWBIRD RV PARK AZ0408066 180 GW
Regional Comparison

How Fort Mohave compares

Full Arizona rankings →

Fort Mohave's score of 47/100 is on par with the average of 42/100 among major Arizona cities. It outscores 9 of 10 nearby cities.

Fort Mohave (this city)
47
Phoenix
37.5
Tucson
38.1
Mesa
40.6
Chandler
40.5
Gilbert
34.8
Arizona avg
42
City Profile

About Fort Mohave, AZ

Wikipedia →

Mohave Valley is an unincorporated community and census-designated place (CDP) in Mohave County, Arizona, United States. The population was 2,693 at the 2020 census. It is geographically connected to Needles, California, Fort Mohave and Bullhead City.

Economic Profile
$69,313
Median Income
$244,490
Median Home Value
$1,723/mo
Median Rent
4.8%
Unemployment
Community
38.9
Median Age
75
People / sq mi
4.8%
College Educated
91.8%
Homeownership
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Frequently asked questions

Is Fort Mohave, AZ tap water safe to drink?

Fort Mohave's water quality earned a grade of D (47/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #221 out of 292 cities tested in Arizona.

What contaminants are in Fort Mohave's water?

Lead was measured at 1.1 ppb (90th percentile). 321 violations are on record.

How is Fort Mohave's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Fort Mohave?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Fort Mohave's water come from?

Fort Mohave's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,758 residents.

What health violations has Fort Mohave's water system had?

Fort Mohave has 19 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 71 violations remain unresolved.

Is Fort Mohave's groundwater at risk of contamination?

Fort Mohave uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 321 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Fort Mohave's water compare to other cities?

Fort Mohave ranks #221 out of 292 cities in Arizona (better than 24% of state cities) and #13759 out of 15744 cities nationally (13th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.