Public water system · WA5333526
ActiveAlder Lake Park Water System
At a glance
Alder Lake Park Water System (PWSID WA5333526) is an active transient non-community water system in Pierce County, Washington. It reports serving 934 people through 200 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 January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
934
Service connections
200
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Alder Lake Park Water System compare with other water systems in Pierce County?
By EPA's size categories, Alder Lake Park Water System is a small system (501 to 3,300 people). 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 Alder Lake Park Water System is about 6.5 times 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 Alder Lake Park Water System?
EPA lists Alder Lake Park 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. 74 of the 358 active systems in Pierce County (21%) are also owned by a local government.
Does Alder Lake Park Water System have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2024. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 as resolved. 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Alder Lake Park Water System: frequently asked questions
Who runs Alder Lake Park Water System?
Alder Lake Park Water System (PWSID WA5333526) 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 Alder Lake Park Water System serve?
Alder Lake Park Water System reports serving 934 people through 200 service connections in Pierce County, Washington.
Where does Alder Lake Park 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 Alder Lake Park Water System 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 January 2024. 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 Alder Lake Park 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 one violation for this system; it is not health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Alder Lake Park Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Alder Lake Park 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 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, “Alder Lake Park Water System, PWSID WA5333526, Washington”, https://aquacensus.com/water-systems/washington/alder-lake-park-water-system-wa5333526 (data as of October 1, 2026).