Public water system · WA5316786
ActiveLake Merwin Campers Hideaway Sys 1
At a glance
Lake Merwin Campers Hideaway Sys 1 (PWSID WA5316786) is an active transient non-community water system in Clark County, Washington. It reports serving 820 people through 1,065 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
820
Service connections
1,065
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake Merwin Campers Hideaway Sys 1 compare with other water systems in Clark County?
By EPA's size categories, Lake Merwin Campers Hideaway Sys 1 is a small system (501 to 3,300 people). 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 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 1 is about 5.7 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 Lake Merwin Campers Hideaway Sys 1?
EPA lists Lake Merwin Campers Hideaway Sys 1 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 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2019. The violations listed here began between January 2008 and August 2019. By type: 10 monitoring and reporting, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 8 as archived and 4 as resolved. 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. 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 |
|---|---|---|---|---|
| 2019-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-08-01 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2015-06-01 | 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 |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | 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.
Lake Merwin Campers Hideaway Sys 1: frequently asked questions
Who runs Lake Merwin Campers Hideaway Sys 1?
Lake Merwin Campers Hideaway Sys 1 (PWSID WA5316786) 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 1 serve?
Lake Merwin Campers Hideaway Sys 1 reports serving 820 people through 1,065 service connections in Clark County, Washington.
Where does Lake Merwin Campers Hideaway Sys 1 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 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in August 2019. 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 1'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, 2 are health-based, and the most recent began in August 2019. For current results, consult EPA ECHO, or the WA state drinking water program.
Where can I find Lake Merwin Campers Hideaway Sys 1's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Merwin Campers Hideaway Sys 1 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Vancouver City of | Clark | 373,047 | Community | Groundwater |
| Clark Public Utilities | Clark | 153,526 | Community | Groundwater |
| Camas Municipal Water Sewer System | Clark | 31,794 | Community | Groundwater |
| Battle Ground Water Dept City of | Clark | 30,237 | Community | Groundwater |
| Washougal City of | Clark | 21,441 | Community | Groundwater |
| Ridgefield Public Works | Clark | 21,225 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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 1, PWSID WA5316786, Washington”, https://aquacensus.com/water-systems/washington/lake-merwin-campers-hideaway-sys-1-wa5316786 (data as of October 1, 2026).