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Public water system · WA5396175

Active

White Pass Company Inc.

At a glance

White Pass Company Inc. (PWSID WA5396175) is an active non-transient non-community water system in Lewis County, Washington. It reports serving 2,094 people through 73 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2025.

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

Population served

2,094

Service connections

73

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWA5396175
System typeNon-transient non-community water system
Activity statusActive
Population served2,094
Service connections73
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyLewis County

How does White Pass Company Inc. compare with other water systems in Lewis County?

By EPA's size categories, White Pass Company Inc. is a small system (501 to 3,300 people). Lewis County has 166 active public water systems. Its population served is about 3.9 times the county average of 537 people per system, and accounts for 2.3% of the 89,186 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so White Pass Company Inc. is about 4.9 times that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Washington has 400 active non-transient non-community water systems, 8.5% 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 White Pass Company Inc.?

EPA lists White Pass Company Inc. 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. 117 of the 166 active systems in Lewis County (70%) are also privately owned.

Does White Pass Company Inc. have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2025. The violations listed here began between July 2024 and December 2025. By type: 10 monitoring and reporting, 1 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 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
2025-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2025-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Hexachlorobenzenecode 2274NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2024-07-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved

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.

White Pass Company Inc.: frequently asked questions

Who runs White Pass Company Inc.?

White Pass Company Inc. (PWSID WA5396175) is a non-transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does White Pass Company Inc. serve?

White Pass Company Inc. reports serving 2,094 people through 73 service connections in Lewis County, Washington.

Where does White Pass Company Inc. 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 White Pass Company Inc. have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 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 White Pass Company Inc.'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, one is health-based, and the most recent began in December 2025. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find White Pass Company Inc.'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. White Pass Company Inc. is a non-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 Lewis County

Water systemCountyPopulation servedTypeSource
Centralia Public Works - WaterLewis28,164CommunityGroundwater
Chehalis Water DepartmentLewis11,718CommunitySurface water
Winlock City ofLewis3,502CommunityGroundwater
Napavine City ofLewis3,095CommunityGroundwater
Boistfort ValleyLewis2,389CommunitySurface water
Morton City ofLewis2,147CommunitySurface 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, “White Pass Company Inc., PWSID WA5396175, Washington”, https://aquacensus.com/water-systems/washington/white-pass-company-inc-wa5396175 (data as of October 1, 2026).