Public water system · WA5307278
ActiveAlamo Orchard Co - Pateros
At a glance
Alamo Orchard Co - Pateros (PWSID WA5307278) is an active transient non-community water system in Okanogan County, Washington. It reports serving 48 people through 11 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
48
Service connections
11
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Alamo Orchard Co - Pateros compare with other water systems in Okanogan County?
By EPA's size categories, Alamo Orchard Co - Pateros is a very small system (500 people or fewer). Okanogan County has 119 active public water systems. Its population served is well below the county average of 383 people per system, and accounts for 0.1% of the 45,608 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 Alamo Orchard Co - Pateros is about 67% 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. 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 Alamo Orchard Co - Pateros?
EPA lists Alamo Orchard Co - Pateros 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. 89 of the 119 active systems in Okanogan County (75%) are also privately owned.
Does Alamo Orchard Co - Pateros have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2025. The violations listed here began between May 2010 and August 2025. By type: 2 monitoring, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2025-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Archived |
| 2021-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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.
Alamo Orchard Co - Pateros: frequently asked questions
Who runs Alamo Orchard Co - Pateros?
Alamo Orchard Co - Pateros (PWSID WA5307278) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Alamo Orchard Co - Pateros serve?
Alamo Orchard Co - Pateros reports serving 48 people through 11 service connections in Okanogan County, Washington.
Where does Alamo Orchard Co - Pateros 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 Alamo Orchard Co - Pateros have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 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 Alamo Orchard Co - Pateros' 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 4 violations for this system; 1 is health-based, and the most recent began in August 2025. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Alamo Orchard Co - Pateros' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Alamo Orchard Co - Pateros 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 Okanogan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Omak City of | Okanogan | 4,940 | Community | Groundwater |
| Brewster City of | Okanogan | 3,843 | Community | Groundwater |
| Okanogan Water Department City of | Okanogan | 3,817 | Community | Groundwater |
| Oroville City of | Okanogan | 3,256 | Community | Groundwater |
| Tonasket Water System | Okanogan | 2,398 | Community | Groundwater |
| Pearrygin Lake State Park - Both Cg | Okanogan | 2,103 | Transient non-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, “Alamo Orchard Co - Pateros, PWSID WA5307278, Washington”, https://aquacensus.com/water-systems/washington/alamo-orchard-co-pateros-wa5307278 (data as of October 1, 2026).