Public water system · WA5343450
ActiveLagrande Water Co
At a glance
Lagrande Water Co (PWSID WA5343450) is an active transient non-community water system in Pierce County, Washington. It reports serving 26 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1979.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26
Service connections
10
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lagrande Water Co compare with other water systems in Pierce County?
By EPA's size categories, Lagrande Water Co is a very small system (500 people or fewer). Pierce County has 358 active public water systems. Its population served is well below the county average of 3,335 people per system, and accounts for less than 0.1% of the 1,193,797 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 Lagrande Water Co 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 Lagrande Water Co?
EPA lists Lagrande Water Co 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. 74 of the 358 active systems in Pierce County (21%) are also owned by a local government.
Does Lagrande Water Co have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1979. By type: 1 monitoring and reporting. The contaminant or rule involved is Gross alpha (excluding radon and uranium). EPA lists 1 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 |
|---|---|---|---|---|
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
The one violation in EPA's records.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.
Lagrande Water Co: frequently asked questions
Who runs Lagrande Water Co?
Lagrande Water Co (PWSID WA5343450) 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 Lagrande Water Co serve?
Lagrande Water Co reports serving 26 people through 10 service connections in Pierce County, Washington.
Where does Lagrande Water Co 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 Lagrande Water Co have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1979. 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 Lagrande Water Co'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 one violation for this system; it is not health-based, and the most recent began in October 1979. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Lagrande Water Co's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lagrande Water Co 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 Pierce County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tacoma Water Division City of | Pierce | 446,170 | Community | Surface water |
| Puyallup City of | Pierce | 94,520 | Community | Purchased surface water |
| Lakewood Water District | Pierce | 82,425 | Community | Groundwater |
| Southwood | Pierce | 64,155 | Community | Purchased surface water |
| Bonney Lake Water Department City | Pierce | 43,371 | Community | Purchased surface water |
| Firgrove Mutual Inc. | Pierce | 36,168 | Community | Purchased 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, “Lagrande Water Co, PWSID WA5343450, Washington”, https://aquacensus.com/water-systems/washington/lagrande-water-co-wa5343450 (data as of October 1, 2026).