Public water system · 1053AD787

Active

Lfz H2a Wapato

At a glance

Lfz H2a Wapato (PWSID 1053AD787) is an active transient non-community water system in Washington. It reports serving 99 people through 9 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in September 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSID1053AD787

System typeTransient non-community water system

Activity statusActive

Population served99

Service connections9

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyEPA Region 10

City servedWapato

StateWashington

ZIP—

County—

How does Lfz H2a Wapato compare with other water systems in Washington?

By EPA's size categories, Lfz H2a Wapato is a very small system (500 people or fewer). Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Lfz H2a Wapato 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. Washington has 1,913 active transient non-community water systems, 41% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Lfz H2a Wapato?

EPA lists Lfz H2a Wapato as privately owned. The EPA Region 10 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Lfz H2a Wapato have drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in September 2025. The violations listed here began between July 2019 and September 2025. By type: 4 reporting and 3 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 7 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.

Began	Violation	Contaminant or rule	Health-based	Status
2025-09-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2024-11-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2024-09-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2024-08-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2021-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved

All 7 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.

Lfz H2a Wapato: frequently asked questions

Who runs Lfz H2a Wapato?

Lfz H2a Wapato (PWSID 1053AD787) is a transient non-community water system privately owned. It is regulated by the EPA Region 10.

How many people does Lfz H2a Wapato serve?

Lfz H2a Wapato reports serving 99 people through 9 service connections in Washington.

Where does Lfz H2a Wapato 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 Lfz H2a Wapato have any drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in September 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 Lfz H2a Wapato'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 7 violations for this system; none is health-based, and the most recent began in September 2025. For current results, consult EPA ECHO, or the EPA Region 10.

Where can I find Lfz H2a Wapato's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Lfz H2a Wapato 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 Washington

Water system	County	Population served	Type	Source
Seattle Public Utilities	King	1,161,961	Community	Surface water
Tacoma Water Division City of	Pierce	446,170	Community	Surface water
Vancouver City of	Clark	373,047	Community	Groundwater
Spokane City of	Spokane	346,138	Community	Groundwater
Bellevue City of	King	321,349	Community	Purchased surface water
Alderwood Water District	Snohomish	245,715	Community	Purchased surface water

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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, “Lfz H2a Wapato, PWSID 1053AD787, Washington”, https://aquacensus.com/water-systems/washington/lfz-h2a-wapato-1053ad787 (data as of October 1, 2026).