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Community Water System · PWS AZ0408032

Bullhead City Mohave

Bullhead City, Arizona 86442 - drinking water served from groundwater sources to 36,330 people, tracked in EPA SDWIS and UCMR5.

36,330
People served
2,669
EPA violations
9
Health-based
6 PFAS
UCMR5 result

The verdict

EPA records 2,669 drinking-water violations at Bullhead City Mohave - above the Arizona per-system average, and UCMR5 testing detected 6 PFAS compounds.

2,669
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
36,330
People served by this system
6
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bullhead City Mohave

Bullhead City Mohave is a private-owned community water system that delivers drinking water to 36,330 residents in Bullhead City, Arizona (Mohave County) through 14,532 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 2,669 total violations for this system , of which 9 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 2,135 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Public Notice, recorded in 375 violations (Other). Under EPA's UCMR5 PFAS monitoring program, 6 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 7.3 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Bullhead City Mohave's 2,669 violations sit above the Arizona average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

6 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
36,330
Total Violations
2,669
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
14,532
County
Mohave
School/Daycare
No
MCL Violations
1
Monitoring Violations
2,135
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 375 2025
Nitrate MR 47 2025
Heptachlor MR 43 2021
trans-1,2-Dichloroethylene MR 41 2024
1,2-Dichloroethane MR 41 2024
Carbon tetrachloride MR 41 2024
1,2-Dichloropropane MR 41 2024
Trichloroethylene MR 41 2024
1,1,2-Trichloroethane MR 41 2024
CHLOROBENZENE MR 41 2024
Benzene MR 41 2024
1,1,1-Trichloroethane MR 41 2024
Tetrachloroethylene MR 41 2024
Toluene MR 41 2024
Ethylbenzene MR 41 2024
Styrene MR 41 2024
1,2,4-Trichlorobenzene MR 40 2024
cis-1,2-Dichloroethylene MR 40 2024
DICHLOROMETHANE MR 40 2024
o-Dichlorobenzene MR 40 2024
p-Dichlorobenzene MR 40 2024
1,1-Dichloroethylene MR 40 2024
Xylenes, Total MR 40 2024
Diquat MR 38 2021
Endothall MR 38 2021
Vinyl chloride MR 38 2024
OXAMYL MR 37 2021
Di(2-ethylhexyl) phthalate MR 36 2021
Dinoseb MR 36 2021
Heptachlor epoxide MR 36 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 348 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/30/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/30/2025 <2.00 ppt 2.00 ppt Not Detected
PFPeA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/30/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
PFMBA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/30/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/30/2025 <8.00 ppt 8.00 ppt Not Detected
PFHpA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/30/2025 <6.00 ppt 6.00 ppt Not Detected
4:2 FTS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/30/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/30/2025 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 9/30/2025 <6.00 ppt 6.00 ppt Not Detected
11Cl-PF3OUdS 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/30/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeS 9/30/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/30/2025 <20.00 ppt 20.00 ppt Not Detected
PFUnA 9/30/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpS 9/30/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/30/2025 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 9/30/2025 <5.00 ppt 5.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Bullhead City Mohave.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0408032 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Bullhead City Mohave under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Public Notice Other 375 SDWIS / AZ0408032 / 7500
2025 Nitrate MR 47 SDWIS / AZ0408032 / 1040
2025 TTHM MR 5 SDWIS / AZ0408032 / 2950
2025 Total Haloacetic Acids (HAA5) MR 5 SDWIS / AZ0408032 / 2456
2024 trans-1,2-Dichloroethylene MR 41 SDWIS / AZ0408032 / 2979
2024 1,2-Dichloroethane MR 41 SDWIS / AZ0408032 / 2980
2024 Carbon tetrachloride MR 41 SDWIS / AZ0408032 / 2982
2024 1,2-Dichloropropane MR 41 SDWIS / AZ0408032 / 2983
2024 Trichloroethylene MR 41 SDWIS / AZ0408032 / 2984
2024 1,1,2-Trichloroethane MR 41 SDWIS / AZ0408032 / 2985
2024 CHLOROBENZENE MR 41 SDWIS / AZ0408032 / 2989
2024 Benzene MR 41 SDWIS / AZ0408032 / 2990
2024 1,1,1-Trichloroethane MR 41 SDWIS / AZ0408032 / 2981
2024 Tetrachloroethylene MR 41 SDWIS / AZ0408032 / 2987
2024 Toluene MR 41 SDWIS / AZ0408032 / 2991

How Bullhead City Mohave Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Bullhead City Mohave Arizona avg Federal benchmark
Total violations 2,669 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 6 compounds 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 36,330 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Bullhead City Mohave water safe to drink?
Bullhead City Mohave (PWS ID: AZ0408032) has 2669 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 6 PFAS compounds found. This system serves 36,330 people using Groundwater sources.
How many people does Bullhead City Mohave serve?
Bullhead City Mohave serves 36,330 people in Bullhead City, Arizona. It is a Private-owned system using Groundwater water sources with 14,532 service connections.
What type of violations does Bullhead City Mohave have?
Bullhead City Mohave has 2,669 total violations: 9 health-based violations (MCL exceedances or treatment failures), 2,135 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bullhead City Mohave water?
Yes. UCMR5 testing detected 6 PFAS compounds in Bullhead City Mohave's water supply: PFOS, PFBS, PFPeA, PFHxA, PFOA, and others. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Bullhead City Mohave use?
Bullhead City Mohave uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.