Public water system · WA53FS671
ActiveNason Creek Cg/Lake Wenatchee Rd
At a glance
Nason Creek Cg/Lake Wenatchee Rd (PWSID WA53FS671) is an active transient non-community water system in Chelan County, Washington. It reports serving 219 people through 71 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
219
Service connections
71
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Nason Creek Cg/Lake Wenatchee Rd compare with other water systems in Chelan County?
By EPA's size categories, Nason Creek Cg/Lake Wenatchee Rd 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 0.2% 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 Nason Creek Cg/Lake Wenatchee Rd is about 52% 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 Nason Creek Cg/Lake Wenatchee Rd?
EPA lists Nason Creek Cg/Lake Wenatchee Rd as owned by the federal government. 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. 6 of the 131 active systems in Chelan County (4.6%) are also owned by the federal government.
Does Nason Creek Cg/Lake Wenatchee Rd have drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in June 2025. The violations listed here began between July 1992 and June 2025. By type: 5 monitoring and reporting, 4 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 8 as resolved and 3 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 |
|---|---|---|---|---|
| 2025-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1992-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-08-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Nason Creek Cg/Lake Wenatchee Rd: frequently asked questions
Who runs Nason Creek Cg/Lake Wenatchee Rd?
Nason Creek Cg/Lake Wenatchee Rd (PWSID WA53FS671) is a transient non-community water system owned by the federal government. It is regulated by the WA state drinking water program.
How many people does Nason Creek Cg/Lake Wenatchee Rd serve?
Nason Creek Cg/Lake Wenatchee Rd reports serving 219 people through 71 service connections in Chelan County, Washington.
Where does Nason Creek Cg/Lake Wenatchee Rd 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 Nason Creek Cg/Lake Wenatchee Rd have any drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in June 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 Nason Creek Cg/Lake Wenatchee Rd'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; 2 are health-based, and the most recent began in June 2025. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Nason Creek Cg/Lake Wenatchee Rd's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Nason Creek Cg/Lake Wenatchee Rd 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, “Nason Creek Cg/Lake Wenatchee Rd, PWSID WA53FS671, Washington”, https://aquacensus.com/water-systems/washington/nason-creek-cg-lake-wenatchee-rd-wa53fs671 (data as of October 1, 2026).