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Public water system · WA5316801

Active

Lake Merwin Campers Hideaway Sys 3

At a glance

Lake Merwin Campers Hideaway Sys 3 (PWSID WA5316801) is an active transient non-community water system in Clark County, Washington. It reports serving 164 people through 143 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2022.

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

Population served

164

Service connections

143

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWA5316801
System typeTransient non-community water system
Activity statusActive
Population served164
Service connections143
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyClark County

How does Lake Merwin Campers Hideaway Sys 3 compare with other water systems in Clark County?

By EPA's size categories, Lake Merwin Campers Hideaway Sys 3 is a very small system (500 people or fewer). Clark County has 72 active public water systems. Its population served is well below the county average of 9,076 people per system, and accounts for less than 0.1% of the 653,450 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 Lake Merwin Campers Hideaway Sys 3 is about 14% 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 Lake Merwin Campers Hideaway Sys 3?

EPA lists Lake Merwin Campers Hideaway Sys 3 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. 48 of the 72 active systems in Clark County (67%) are also privately owned.

Does Lake Merwin Campers Hideaway Sys 3 have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2022. The violations listed here began between August 1992 and January 2022. By type: 6 monitoring and reporting. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2009-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2005-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1992-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 6 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.

Lake Merwin Campers Hideaway Sys 3: frequently asked questions

Who runs Lake Merwin Campers Hideaway Sys 3?

Lake Merwin Campers Hideaway Sys 3 (PWSID WA5316801) is a transient non-community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Lake Merwin Campers Hideaway Sys 3 serve?

Lake Merwin Campers Hideaway Sys 3 reports serving 164 people through 143 service connections in Clark County, Washington.

Where does Lake Merwin Campers Hideaway Sys 3 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 Lake Merwin Campers Hideaway Sys 3 have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2022. 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 Lake Merwin Campers Hideaway Sys 3'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 6 violations for this system; none is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the WA state drinking water program.

Where can I find Lake Merwin Campers Hideaway Sys 3's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Lake Merwin Campers Hideaway Sys 3 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 Clark County

Water systemCountyPopulation servedTypeSource
Vancouver City ofClark373,047CommunityGroundwater
Clark Public UtilitiesClark153,526CommunityGroundwater
Camas Municipal Water Sewer SystemClark31,794CommunityGroundwater
Battle Ground Water Dept City ofClark30,237CommunityGroundwater
Washougal City ofClark21,441CommunityGroundwater
Ridgefield Public WorksClark21,225CommunityGroundwater

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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, “Lake Merwin Campers Hideaway Sys 3, PWSID WA5316801, Washington”, https://aquacensus.com/water-systems/washington/lake-merwin-campers-hideaway-sys-3-wa5316801 (data as of October 1, 2026).