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Public water system · OR4194361

Active

Gray & Company

At a glance

Gray & Company (PWSID OR4194361) is an active transient non-community water system in Yamhill County, Oregon. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2020.

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

Population served

40

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOR4194361
System typeTransient non-community water system
Activity statusActive
Population served40
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyYamhill County

How does Gray & Company compare with other water systems in Yamhill County?

By EPA's size categories, Gray & Company is a very small system (500 people or fewer). Yamhill County has 91 active public water systems. Its population served is well below the county average of 998 people per system, and accounts for less than 0.1% of the 90,787 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Gray & Company is well 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. Oregon has 1,250 active transient non-community water systems, 49% of the state's 2,536 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,175 Oregon systems (86%) list groundwater as their primary source.

Who owns and regulates Gray & Company?

EPA lists Gray & Company as privately owned. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 71 of the 91 active systems in Yamhill County (78%) are also privately owned.

Does Gray & Company have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2020. The violations listed here began between October 2008 and November 2020. By type: 10 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Arsenic (9 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
2020-11-16Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2018-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2014-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2014-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2014-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2013-10-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2011-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2010-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2009-10-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2009-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2008-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved

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.

Gray & Company: frequently asked questions

Who runs Gray & Company?

Gray & Company (PWSID OR4194361) is a transient non-community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Gray & Company serve?

Gray & Company reports serving 40 people through 1 service connection in Yamhill County, Oregon.

Where does Gray & Company 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 Gray & Company have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 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 Gray & Company'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, 2 are health-based, and the most recent began in November 2020. For current results, consult EPA ECHO, or the OR state drinking water program.

Where can I find Gray & Company's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Gray & Company 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 Yamhill County

Water systemCountyPopulation servedTypeSource
Mcminnville Water & LightYamhill34,515CommunitySurface water
Newberg, City ofYamhill25,138CommunityGroundwater
Sheridan, City ofYamhill6,494CommunitySurface water
Lafayette, City ofYamhill4,423CommunityPurchased surface water
Dundee, City ofYamhill2,960CommunityGroundwater
Dayton, City ofYamhill2,535CommunityGroundwater

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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, “Gray & Company, PWSID OR4194361, Oregon”, https://aquacensus.com/water-systems/oregon/gray-company-or4194361 (data as of October 1, 2026).