Public water system · OR4195018
ActiveWasco County Fairgrounds
At a glance
Wasco County Fairgrounds (PWSID OR4195018) is an active transient non-community water system in Wasco County, Oregon. It reports serving 150 people through 140 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
140
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wasco County Fairgrounds compare with other water systems in Wasco County?
By EPA's size categories, Wasco County Fairgrounds is a very small system (500 people or fewer). Wasco County has 44 active public water systems. Its population served is well below the county average of 583 people per system, and accounts for 0.6% of the 25,664 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 Wasco County Fairgrounds is roughly in line with 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 Wasco County Fairgrounds?
EPA lists Wasco County Fairgrounds as owned by a local government. 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. 14 of the 44 active systems in Wasco County (32%) are also owned by a local government.
Does Wasco County Fairgrounds have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2025. The violations listed here began between April 2010 and April 2025. By type: 7 monitoring, 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 11 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Archived |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2017-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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.
Wasco County Fairgrounds: frequently asked questions
Who runs Wasco County Fairgrounds?
Wasco County Fairgrounds (PWSID OR4195018) is a transient non-community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does Wasco County Fairgrounds serve?
Wasco County Fairgrounds reports serving 150 people through 140 service connections in Wasco County, Oregon.
Where does Wasco County Fairgrounds 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 Wasco County Fairgrounds 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 April 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 Wasco County Fairgrounds' 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 April 2025. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Wasco County Fairgrounds' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wasco County Fairgrounds 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 Wasco County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| The Dalles, City of | Wasco | 13,010 | Community | Surface water |
| Chenowith PUD | Wasco | 4,500 | Community | Groundwater |
| Barlow Water District | Wasco | 900 | Community | Groundwater |
| Ote Memaloose Rest Area | Wasco | 800 | Transient non-community | Groundwater |
| Dufur, City of | Wasco | 610 | Community | Groundwater |
| Young Life | Wasco | 497 | Community | 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, “Wasco County Fairgrounds, PWSID OR4195018, Oregon”, https://aquacensus.com/water-systems/oregon/wasco-county-fairgrounds-or4195018 (data as of October 1, 2026).