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Public water system · TX0040039

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Aransas National Wildlife Refuge Visitor

At a glance

Aransas National Wildlife Refuge Visitor (PWSID TX0040039) is an active transient non-community water system in Aransas County, Texas. It reports serving 150 people through 26 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025.

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

Population served

150

Service connections

26

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDTX0040039
System typeTransient non-community water system
Activity statusActive
Population served150
Service connections26
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyAransas County

How does Aransas National Wildlife Refuge Visitor compare with other water systems in Aransas County?

By EPA's size categories, Aransas National Wildlife Refuge Visitor is a very small system (500 people or fewer). Aransas County has 13 active public water systems, and Aransas National Wildlife Refuge Visitor is the 6th-largest of them by population served. Its population served is well below the county average of 1,217 people per system, and accounts for 0.9% of the 15,814 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Aransas National Wildlife Refuge Visitor is roughly in line with 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. Texas has 1,622 active transient non-community water systems, 23% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.

Who owns and regulates Aransas National Wildlife Refuge Visitor?

EPA lists Aransas National Wildlife Refuge Visitor as owned by the federal government. 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. 1 of the 13 active systems in Aransas County (7.7%) are also owned by the federal government.

Does Aransas National Wildlife Refuge Visitor have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between September 2004 and October 2025. By type: 7 monitoring and reporting, 3 public notice, recordkeeping or other and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 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
2025-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-05-02Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-07-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2007-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-12-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2005-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2004-09-01Monitoring 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.

Aransas National Wildlife Refuge Visitor: frequently asked questions

Who runs Aransas National Wildlife Refuge Visitor?

Aransas National Wildlife Refuge Visitor (PWSID TX0040039) is a transient non-community water system owned by the federal government. It is regulated by the TX state drinking water program.

How many people does Aransas National Wildlife Refuge Visitor serve?

Aransas National Wildlife Refuge Visitor reports serving 150 people through 26 service connections in Aransas County, Texas.

Where does Aransas National Wildlife Refuge Visitor 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 Aransas National Wildlife Refuge Visitor 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 October 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 Aransas National Wildlife Refuge Visitor'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 October 2025. For current results, consult EPA ECHO, or the TX state drinking water program.

Where can I find Aransas National Wildlife Refuge Visitor's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Aransas National Wildlife Refuge Visitor 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 Aransas County

Water systemCountyPopulation servedTypeSource
City of RockportAransas11,186CommunityPurchased surface water
Holiday Beach WSCAransas2,553CommunityGroundwater
Aransas County MUD 1Aransas615CommunityGroundwater
Lamar Improvement DistrictAransas450CommunityPurchased groundwater
Hidden Oaks Rv ResortAransas183Transient non-communityGroundwater
Tpwd Goose Island State ParkAransas150Transient 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, “Aransas National Wildlife Refuge Visitor, PWSID TX0040039, Texas”, https://aquacensus.com/water-systems/texas/aransas-national-wildlife-refuge-visitor-tx0040039 (data as of October 1, 2026).