Public water system · WA5329738
ActiveGreenridge Estates Water System
At a glance
Greenridge Estates Water System (PWSID WA5329738) is an active transient non-community water system in Pend Oreille County, Washington. It reports serving 80 people through 30 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, 4 are health-based, and the most recent began in August 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
30
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Greenridge Estates Water System compare with other water systems in Pend Oreille County?
By EPA's size categories, Greenridge Estates Water System is a very small system (500 people or fewer). Pend Oreille County has 44 active public water systems. Its population served is well below the county average of 259 people per system, and accounts for 0.7% of the 11,407 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 Greenridge Estates Water System is about 44% 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 Greenridge Estates Water System?
EPA lists Greenridge Estates Water System as owned by a local 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. 20 of the 44 active systems in Pend Oreille County (45%) are also owned by a local government.
Does Greenridge Estates Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 1995. The violations listed here began between October 1979 and August 1995. By type: 8 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 1995-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
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.
Greenridge Estates Water System: frequently asked questions
Who runs Greenridge Estates Water System?
Greenridge Estates Water System (PWSID WA5329738) is a transient non-community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Greenridge Estates Water System serve?
Greenridge Estates Water System reports serving 80 people through 30 service connections in Pend Oreille County, Washington.
Where does Greenridge Estates 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 Greenridge Estates Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 1995. 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 Greenridge Estates 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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 1995. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Greenridge Estates Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Greenridge Estates 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 Pend Oreille County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Newport City of | Pend Oreille | 3,331 | Community | Groundwater |
| Ione Water Dept | Pend Oreille | 2,395 | Community | Groundwater |
| Diamond Lake Water & Sewer District | Pend Oreille | 1,299 | Community | Groundwater |
| Cusick Town of | Pend Oreille | 672 | Community | Surface water |
| Metaline Falls Town of | Pend Oreille | 593 | Community | Surface water |
| Sullivan Lake Complex | Pend Oreille | 251 | 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, “Greenridge Estates Water System, PWSID WA5329738, Washington”, https://aquacensus.com/water-systems/washington/greenridge-estates-water-system-wa5329738 (data as of October 1, 2026).