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Public water system · TX0860154

Active

Swallows Eve

At a glance

Swallows Eve (PWSID TX0860154) is an active transient non-community water system in Gillespie County, Texas. It reports serving 700 people through 7 service connections. 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 March 2026.

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

Population served

700

Service connections

7

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDTX0860154
System typeTransient non-community water system
Activity statusActive
Population served700
Service connections7
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyGillespie County

How does Swallows Eve compare with other water systems in Gillespie County?

By EPA's size categories, Swallows Eve is a small system (501 to 3,300 people). Gillespie County has 71 active public water systems, and Swallows Eve is the 5th-largest of them by population served. Its population served is about 88% above the county average of 372 people per system, and accounts for 2.7% of the 26,380 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 Swallows Eve is about 4.9 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. 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 Swallows Eve?

EPA lists Swallows Eve 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. 66 of the 71 active systems in Gillespie County (93%) are also privately owned.

Does Swallows Eve have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in March 2026. The violations listed here began between October 2025 and March 2026. By type: 4 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (4 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
2026-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2026-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2026-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-10-01MonitoringMonitoring, 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.

Swallows Eve: frequently asked questions

Who runs Swallows Eve?

Swallows Eve (PWSID TX0860154) is a transient non-community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Swallows Eve serve?

Swallows Eve reports serving 700 people through 7 service connections in Gillespie County, Texas.

Where does Swallows Eve 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 Swallows Eve have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in March 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 Swallows Eve'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 March 2026. For current results, consult EPA ECHO, or the TX state drinking water program.

Where can I find Swallows Eve's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Swallows Eve 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 Gillespie County

Water systemCountyPopulation servedTypeSource
City of FredericksburgGillespie11,257CommunityGroundwater
Tpwd Lyndon B Johnson ShpGillespie750Transient non-communityGroundwater
Arch Ray CondosGillespie735Transient non-communityGroundwater
Stonewall WcidGillespie726CommunityGroundwater
Grape Creek VineyardsGillespie650Transient non-communityGroundwater
Ab Astris WineryGillespie600Transient 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, “Swallows Eve, PWSID TX0860154, Texas”, https://aquacensus.com/water-systems/texas/swallows-eve-tx0860154 (data as of October 1, 2026).