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AquaCensus

Public water system · TX1700826

Active

Valero Corner Store 1478

At a glance

Valero Corner Store 1478 (PWSID TX1700826) is an active transient non-community water system in Montgomery County, Arizona. It reports serving 1,007 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2023.

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

Population served

1,007

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDTX1700826
System typeTransient non-community water system
Activity statusActive
Population served1,007
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateArizona
ZIP—
CountyMontgomery County

How does Valero Corner Store 1478 compare with other water systems in Montgomery County?

By EPA's size categories, Valero Corner Store 1478 is a small system (501 to 3,300 people). Montgomery County has 4 active public water systems, and Valero Corner Store 1478 is the largest of them by population served. Its population served is about 80% above the county average of 561 people per system, and accounts for 45% of the 2,244 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 Valero Corner Store 1478 is about 7 times 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 Valero Corner Store 1478?

EPA lists Valero Corner Store 1478 as privately owned. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 4 active systems in Montgomery County (100%) are also privately owned.

Does Valero Corner Store 1478 have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2023. The violations listed here began between May 2019 and December 2023. By type: 2 monitoring, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 4 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
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2020-06-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

All 4 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.

Valero Corner Store 1478: frequently asked questions

Who runs Valero Corner Store 1478?

Valero Corner Store 1478 (PWSID TX1700826) is a transient non-community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Valero Corner Store 1478 serve?

Valero Corner Store 1478 reports serving 1,007 people through 1 service connection in Montgomery County, Arizona.

Where does Valero Corner Store 1478 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 Valero Corner Store 1478 have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2023. 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 Valero Corner Store 1478'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. EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2023. For current results, consult EPA ECHO, or the TX state drinking water program.

Where can I find Valero Corner Store 1478's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Valero Corner Store 1478 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 Montgomery County

Water systemCountyPopulation servedTypeSource
Piney ShoresMontgomery822Transient non-communityGroundwater
Casey Ridge GroceryMontgomery250Transient non-communityGroundwater
Rayford Crossing Rv ResortMontgomery165Transient non-communityGroundwater

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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, “Valero Corner Store 1478, PWSID TX1700826, Arizona”, https://aquacensus.com/water-systems/arizona/valero-corner-store-1478-tx1700826 (data as of October 1, 2026).