Public water system · WA5306390

Active

Echo Valley Ski Resort

At a glance

Echo Valley Ski Resort (PWSID WA5306390) is an active transient non-community water system in Chelan County, Washington. It reports serving 50 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; none is health-based, and the most recent began in January 2007.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5306390

System typeTransient non-community water system

Activity statusActive

Population served50

Service connections2

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyWA state drinking water program

City served—

StateWashington

ZIP—

CountyChelan County

How does Echo Valley Ski Resort compare with other water systems in Chelan County?

By EPA's size categories, Echo Valley Ski Resort is a very small system (500 people or fewer). Chelan County has 131 active public water systems. Its population served is well below the county average of 931 people per system, and accounts for less than 0.1% of the 121,966 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 Echo Valley Ski Resort is about 65% 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 Echo Valley Ski Resort?

EPA lists Echo Valley Ski Resort 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. 100 of the 131 active systems in Chelan County (76%) are also privately owned.

Does Echo Valley Ski Resort have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2007. The violations listed here began between January 1999 and January 2007. By type: 11 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 8 as archived and 3 as resolved. 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. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2007-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2006-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
2005-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
2005-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2004-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2000-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
2000-01-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
1999-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
1999-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
1999-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
1999-01-01	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.

Echo Valley Ski Resort: frequently asked questions

Who runs Echo Valley Ski Resort?

Echo Valley Ski Resort (PWSID WA5306390) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Echo Valley Ski Resort serve?

Echo Valley Ski Resort reports serving 50 people through 2 service connections in Chelan County, Washington.

Where does Echo Valley Ski Resort 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 Echo Valley Ski Resort have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2007. 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 Echo Valley Ski Resort'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; none is health-based, and the most recent began in January 2007. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Echo Valley Ski Resort's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Echo Valley Ski Resort 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 Chelan County

Water system	County	Population served	Type	Source
Wenatchee City of	Chelan	43,690	Community	Groundwater
Chelan Co PUD 1	Chelan	16,190	Community	Purchased groundwater
Leavenworth City of	Chelan	11,041	Community	Surface water
Chelan Water Dept City of	Chelan	9,425	Community	Surface water
Lake Chelan Reclamation District	Chelan	6,798	Community	Surface water
Cashmere Water Department	Chelan	5,815	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, “Echo Valley Ski Resort, PWSID WA5306390, Washington”, https://aquacensus.com/water-systems/washington/echo-valley-ski-resort-wa5306390 (data as of October 1, 2026).