Public water system · WA5325041
ActiveMaryhill Museum of Art
At a glance
Maryhill Museum of Art (PWSID WA5325041) is an active transient non-community water system in Klickitat County, Washington. It reports serving 186 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
186
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Maryhill Museum of Art compare with other water systems in Klickitat County?
By EPA's size categories, Maryhill Museum of Art is a very small system (500 people or fewer). Klickitat County has 51 active public water systems. Its population served is about 57% below the county average of 432 people per system, and accounts for 0.8% of the 22,044 people reported by systems filed under the county. 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 Maryhill Museum of Art is about 29% above 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 Maryhill Museum of Art?
EPA lists Maryhill Museum of Art 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. 32 of the 51 active systems in Klickitat County (63%) are also privately owned.
Does Maryhill Museum of Art have drinking water violations?
EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in January 2022. The violations listed here began between April 1998 and January 2022. By type: 10 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 6 as resolved and 5 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2013-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2006-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2006-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-12-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1998-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 11 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.
Maryhill Museum of Art: frequently asked questions
Who runs Maryhill Museum of Art?
Maryhill Museum of Art (PWSID WA5325041) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Maryhill Museum of Art serve?
Maryhill Museum of Art reports serving 186 people through 2 service connections in Klickitat County, Washington.
Where does Maryhill Museum of Art 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 Maryhill Museum of Art have any drinking water violations?
EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in January 2022. 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 Maryhill Museum of Art'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 11 violations for this system; 1 is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Maryhill Museum of Art's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Maryhill Museum of Art 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 Klickitat County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Goldendale City of | Klickitat | 4,314 | Community | Groundwater |
| White Salmon City of | Klickitat | 4,077 | Community | Surface water |
| Bingen Water Dept | Klickitat | 1,758 | Community | Purchased surface water |
| Maryhill State Park | Klickitat | 1,133 | Transient non-community | Groundwater |
| Glacier Springs Water Assn | Klickitat | 992 | Community | Groundwater |
| Lyle Water System | Klickitat | 938 | Community | Groundwater |
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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, “Maryhill Museum of Art, PWSID WA5325041, Washington”, https://aquacensus.com/water-systems/washington/maryhill-museum-of-art-wa5325041 (data as of October 1, 2026).