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Public water system · WA5387144

Active

Tampico Drive Well Owners Assn

At a glance

Tampico Drive Well Owners Assn (PWSID WA5387144) is an active community water system in Yakima County, Washington. It reports serving 42 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2020.

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

Population served

42

Service connections

18

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5387144
System typeCommunity water system
Activity statusActive
Population served42
Service connections18
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyYakima County

How does Tampico Drive Well Owners Assn compare with other water systems in Yakima County?

By EPA's size categories, Tampico Drive Well Owners Assn is a very small system (500 people or fewer). Yakima County has 217 active public water systems. Its population served is well below the county average of 1,230 people per system, and accounts for less than 0.1% of the 266,832 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Tampico Drive Well Owners Assn is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% 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 Tampico Drive Well Owners Assn?

EPA lists Tampico Drive Well Owners Assn as privately owned. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 182 of the 217 active systems in Yakima County (84%) are also privately owned.

Does Tampico Drive Well Owners Assn have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2020. The violations listed here began between January 2004 and January 2020. By type: 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
2004-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 6 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.

Tampico Drive Well Owners Assn: frequently asked questions

Who runs Tampico Drive Well Owners Assn?

Tampico Drive Well Owners Assn (PWSID WA5387144) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Tampico Drive Well Owners Assn serve?

Tampico Drive Well Owners Assn reports serving 42 people through 18 service connections in Yakima County, Washington.

Where does Tampico Drive Well Owners Assn 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 Tampico Drive Well Owners Assn have any drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2020. 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 Tampico Drive Well Owners Assn'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 6 violations for this system; 1 is health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Tampico Drive Well Owners Assn's water quality report?

As a community water system, Tampico Drive Well Owners Assn must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Yakima County

Water systemCountyPopulation servedTypeSource
Yakima Water Division City ofYakima112,858CommunitySurface water
Nob Hill Water AssociationYakima38,050CommunityGroundwater
Sunnyside City ofYakima17,194CommunityGroundwater
Grandview City ofYakima11,010CommunityGroundwater
Selah City ofYakima9,331CommunityGroundwater
Toppenish Water DepartmentYakima8,950CommunityGroundwater

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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, “Tampico Drive Well Owners Assn, PWSID WA5387144, Washington”, https://aquacensus.com/water-systems/washington/tampico-drive-well-owners-assn-wa5387144 (data as of October 1, 2026).