Public water system · WA5301543
ActiveTeanaway Ridge Water System
At a glance
Teanaway Ridge Water System (PWSID WA5301543) is an active transient non-community water system in Kittitas County, Washington. It reports serving 31 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
31
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Teanaway Ridge Water System compare with other water systems in Kittitas County?
By EPA's size categories, Teanaway Ridge Water System is a very small system (500 people or fewer). Kittitas County has 96 active public water systems. Its population served is well below the county average of 528 people per system, and accounts for less than 0.1% of the 50,703 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 Teanaway Ridge Water System 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. 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 Teanaway Ridge Water System?
EPA lists Teanaway Ridge Water System 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. 72 of the 96 active systems in Kittitas County (75%) are also privately owned.
Does Teanaway Ridge Water System have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2000. The violations listed here began between June 1997 and October 2000. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 as archived. 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 |
|---|---|---|---|---|
| 2000-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2000-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1998-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1997-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
Teanaway Ridge Water System: frequently asked questions
Who runs Teanaway Ridge Water System?
Teanaway Ridge Water System (PWSID WA5301543) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Teanaway Ridge Water System serve?
Teanaway Ridge Water System reports serving 31 people through 2 service connections in Kittitas County, Washington.
Where does Teanaway Ridge Water System 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 Teanaway Ridge Water System have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2000. 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 Teanaway Ridge Water System'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 5 violations for this system; none is health-based, and the most recent began in October 2000. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Teanaway Ridge Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Teanaway Ridge Water System 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 Kittitas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ellensburg Water Dept | Kittitas | 20,900 | Community | Groundwater |
| Indian John Rest Area (Eb/Wb) | Kittitas | 5,718 | Transient non-community | Groundwater |
| Suncadia Resort | Kittitas | 2,640 | Community | Purchased surface water |
| Wanapum State Park | Kittitas | 2,263 | Transient non-community | Groundwater |
| Kittitas City of | Kittitas | 2,247 | Community | Groundwater |
| Cle Elum Water Department | Kittitas | 2,213 | 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, “Teanaway Ridge Water System, PWSID WA5301543, Washington”, https://aquacensus.com/water-systems/washington/teanaway-ridge-water-system-wa5301543 (data as of October 1, 2026).