Public water system · WA5304625
ActiveAmboy Clark Public Utilities
At a glance
Amboy Clark Public Utilities (PWSID WA5304625) is an active community water system in Clark County, Washington. It reports serving 991 people through 130 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, none is health-based, and the most recent began in July 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
991
Service connections
130
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Amboy Clark Public Utilities compare with other water systems in Clark County?
By EPA's size categories, Amboy Clark Public Utilities 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 0.2% 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 community water system reports serving 6,703 people, so Amboy Clark Public Utilities is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% 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 Amboy Clark Public Utilities?
EPA lists Amboy Clark Public Utilities 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 72 active systems in Clark County (28%) are also owned by a local government.
Does Amboy Clark Public Utilities have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2010. The violations listed here began between January 2002 and July 2010. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, Aldicarb, Benzo(a)pyrene and Heptachlor. EPA lists 11 as archived and 1 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 |
|---|---|---|---|---|
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarbcode 2047 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | 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.
Amboy Clark Public Utilities: frequently asked questions
Who runs Amboy Clark Public Utilities?
Amboy Clark Public Utilities (PWSID WA5304625) is a community water system owned by a local government. It is regulated by the WA state drinking water program.
How many people does Amboy Clark Public Utilities serve?
Amboy Clark Public Utilities reports serving 991 people through 130 service connections in Clark County, Washington.
Where does Amboy Clark Public Utilities 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 Amboy Clark Public Utilities have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2010. 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 Amboy Clark Public Utilities' 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, none is health-based, and the most recent began in July 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Amboy Clark Public Utilities' water quality report?
As a community water system, Amboy Clark Public Utilities must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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 |
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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, “Amboy Clark Public Utilities, PWSID WA5304625, Washington”, https://aquacensus.com/water-systems/washington/amboy-clark-public-utilities-wa5304625 (data as of October 1, 2026).