Public water system · AZ0409036
ActiveWhite Mountain Summer Homes Dwid
At a glance
White Mountain Summer Homes Dwid (PWSID AZ0409036) is an active community water system in Navajo County, Arizona. It reports serving 1,233 people through 474 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, none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,233
Service connections
474
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does White Mountain Summer Homes Dwid compare with other water systems in Navajo County?
By EPA's size categories, White Mountain Summer Homes Dwid is a small system (501 to 3,300 people). Navajo County has 63 active public water systems. Its population served is about 21% below the county average of 1,566 people per system, and accounts for 1.3% of the 98,636 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 White Mountain Summer Homes Dwid 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 White Mountain Summer Homes Dwid?
EPA lists White Mountain Summer Homes Dwid 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. 39 of the 63 active systems in Navajo County (62%) are also privately owned.
Does White Mountain Summer Homes Dwid have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between January 2025 and January 2026. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Chlorine (7 of them). EPA lists 7 as resolved, 3 as archived and 2 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2025-10-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-03-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-02-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
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.
White Mountain Summer Homes Dwid: frequently asked questions
Who runs White Mountain Summer Homes Dwid?
White Mountain Summer Homes Dwid (PWSID AZ0409036) is a community water system privately owned. It is regulated by the AZ state drinking water program.
How many people does White Mountain Summer Homes Dwid serve?
White Mountain Summer Homes Dwid reports serving 1,233 people through 474 service connections in Navajo County, Arizona.
Where does White Mountain Summer Homes Dwid 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 White Mountain Summer Homes Dwid have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. 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 White Mountain Summer Homes Dwid's 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, none is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.
Where can I find White Mountain Summer Homes Dwid's water quality report?
As a community water system, White Mountain Summer Homes Dwid 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 Navajo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Show Low | Navajo | 17,139 | Community | Groundwater |
| Arizona Water Co - Overgaard | Navajo | 13,797 | Community | Groundwater |
| Arizona Water Co - Lakeside | Navajo | 12,191 | Community | Groundwater |
| Winslow City of | Navajo | 9,789 | Community | Groundwater |
| Snowflake Town of | Navajo | 5,590 | Community | Groundwater |
| Ponderosa Dwid | Navajo | 5,375 | Community | Groundwater |
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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, “White Mountain Summer Homes Dwid, PWSID AZ0409036, Arizona”, https://aquacensus.com/water-systems/arizona/white-mountain-summer-homes-dwid-az0409036 (data as of October 1, 2026).