Public water system · AZ0408062
ActiveLake Mohave Highlands
At a glance
Lake Mohave Highlands (PWSID AZ0408062) is an active community water system in Mohave County, Arizona. It reports serving 746 people through 319 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
746
Service connections
319
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lake Mohave Highlands compare with other water systems in Mohave County?
By EPA's size categories, Lake Mohave Highlands is a small system (501 to 3,300 people). Mohave County has 119 active public water systems. Its population served is about 62% below the county average of 1,948 people per system, and accounts for 0.3% of the 231,847 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active community water system reports serving 6,703 people, so Lake Mohave Highlands is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Arizona has 936 active community water systems, 53% of the state's 1,769 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,612 Arizona systems (91%) list groundwater as their primary source.
Who owns and regulates Lake Mohave Highlands?
EPA lists Lake Mohave Highlands as privately owned. The AZ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 70 of the 119 active systems in Mohave County (59%) are also privately owned.
Does Lake Mohave Highlands have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. The violations listed here began between January 2024 and November 2025. By type: 8 public notice, recordkeeping or other, 2 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (6 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-11-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-10-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-01-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-12-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-08-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-01-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-01-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Lake Mohave Highlands: frequently asked questions
Who runs Lake Mohave Highlands?
Lake Mohave Highlands (PWSID AZ0408062) is a community water system privately owned. It is regulated by the AZ state drinking water program.
How many people does Lake Mohave Highlands serve?
Lake Mohave Highlands reports serving 746 people through 319 service connections in Mohave County, Arizona.
Where does Lake Mohave Highlands get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Lake Mohave Highlands have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Lake Mohave Highlands' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.
Where can I find Lake Mohave Highlands' water quality report?
As a community water system, Lake Mohave Highlands must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Mohave County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lake Havasu City of | Mohave | 54,610 | Community | Groundwater |
| Kingman Municipal Water | Mohave | 45,000 | Community | Groundwater |
| Bullhead City Mohave | Mohave | 36,330 | Community | Groundwater |
| Bermuda Water Company Inc. | Mohave | 25,000 | Community | Groundwater |
| Valley Pioneers Water Company Inc. | Mohave | 6,063 | Community | Groundwater |
| North Mohave Valley | Mohave | 5,190 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Lake Mohave Highlands, PWSID AZ0408062, Arizona”, https://aquacensus.com/water-systems/arizona/lake-mohave-highlands-az0408062 (data as of October 1, 2026).