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Public water system · AZ0409050

Active

Woodruff Domestic Water Company Inc.

At a glance

Woodruff Domestic Water Company Inc. (PWSID AZ0409050) is an active community water system in Navajo County, Arizona. It reports serving 140 people through 57 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

140

Service connections

57

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDAZ0409050
System typeCommunity water system
Activity statusActive
Population served140
Service connections57
Primary water sourceGroundwater
Owner typePublic/private partnership
Primacy agencyAZ state drinking water program
City servedWoodruff
StateArizona
ZIP—
CountyNavajo County

How does Woodruff Domestic Water Company Inc. compare with other water systems in Navajo County?

By EPA's size categories, Woodruff Domestic Water Company Inc. is a very small system (500 people or fewer). Navajo County has 63 active public water systems. Its population served is well below the county average of 1,566 people per system, and accounts for 0.1% 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 Woodruff Domestic Water Company Inc. 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 Woodruff Domestic Water Company Inc.?

EPA lists Woodruff Domestic Water Company Inc. as under public/private ownership. 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. 16 of the 63 active systems in Navajo County (25%) are also under public/private ownership.

Does Woodruff Domestic Water Company Inc. have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2025. The violations listed here began between December 2021 and December 2025. By type: 7 public notice, recordkeeping or other, 2 monitoring and reporting, 2 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (6 of them). EPA lists 9 as resolved and 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-12-06Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2025-10-02Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2024-10-02Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2024-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-10-02Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2022-10-02Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2022-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2021-12-11Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-12-11Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved

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.

Woodruff Domestic Water Company Inc.: frequently asked questions

Who runs Woodruff Domestic Water Company Inc.?

Woodruff Domestic Water Company Inc. (PWSID AZ0409050) is a community water system under public/private ownership. It is regulated by the AZ state drinking water program.

How many people does Woodruff Domestic Water Company Inc. serve?

Woodruff Domestic Water Company Inc. reports serving 140 people through 57 service connections in Navajo County, Arizona.

Where does Woodruff Domestic Water Company Inc. 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 Woodruff Domestic Water Company Inc. have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 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 Woodruff Domestic Water Company Inc.'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, 2 are health-based, and the most recent began in December 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 Woodruff Domestic Water Company Inc.'s water quality report?

As a community water system, Woodruff Domestic Water Company Inc. 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 systemCountyPopulation servedTypeSource
City of Show LowNavajo17,139CommunityGroundwater
Arizona Water Co - OvergaardNavajo13,797CommunityGroundwater
Arizona Water Co - LakesideNavajo12,191CommunityGroundwater
Winslow City ofNavajo9,789CommunityGroundwater
Snowflake Town ofNavajo5,590CommunityGroundwater
Ponderosa DwidNavajo5,375CommunityGroundwater

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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, “Woodruff Domestic Water Company Inc., PWSID AZ0409050, Arizona”, https://aquacensus.com/water-systems/arizona/woodruff-domestic-water-company-inc-az0409050 (data as of October 1, 2026).