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Public water system · AZ0409068

Active

Ncpr Tall Timbers County

At a glance

Ncpr Tall Timbers County (PWSID AZ0409068) is an active transient non-community water system in Navajo County, Arizona. It reports serving 100 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017.

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

Population served

100

Service connections

5

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDAZ0409068
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections5
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyAZ state drinking water program
City servedOvergaard
StateArizona
ZIP—
CountyNavajo County

How does Ncpr Tall Timbers County compare with other water systems in Navajo County?

By EPA's size categories, Ncpr Tall Timbers County 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 transient non-community water system reports serving 144 people, so Ncpr Tall Timbers County is about 31% below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Arizona has 601 active transient non-community water systems, 34% 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 Ncpr Tall Timbers County?

EPA lists Ncpr Tall Timbers County as owned by a local government. 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. 7 of the 63 active systems in Navajo County (11%) are also owned by a local government.

Does Ncpr Tall Timbers County 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 2017. The violations listed here began between May 2004 and January 2017. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Nitrate (6 of them). EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2007-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2007-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Ncpr Tall Timbers County: frequently asked questions

Who runs Ncpr Tall Timbers County?

Ncpr Tall Timbers County (PWSID AZ0409068) is a transient non-community water system owned by a local government. It is regulated by the AZ state drinking water program.

How many people does Ncpr Tall Timbers County serve?

Ncpr Tall Timbers County reports serving 100 people through 5 service connections in Navajo County, Arizona.

Where does Ncpr Tall Timbers County 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 Ncpr Tall Timbers County 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 2017. 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 Ncpr Tall Timbers County'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 2017. For current results, consult EPA ECHO, or the AZ state drinking water program.

Where can I find Ncpr Tall Timbers County's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ncpr Tall Timbers County is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

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, “Ncpr Tall Timbers County, PWSID AZ0409068, Arizona”, https://aquacensus.com/water-systems/arizona/ncpr-tall-timbers-county-az0409068 (data as of October 1, 2026).