ARROWHEAD BEACH COOP WATER ASSOC
PWSID: WA5303000 · Mount Vernon, WA · Serves 167 people
ARROWHEAD BEACH COOP WATER ASSOC has 35 health-based violations out of 35 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
ARROWHEAD BEACH COOP WATER ASSOC (PWSID WA5303000) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 167 people in Mount Vernon, WA, and is subject to primacy enforcement by the Washington drinking-water program.
The system's federal compliance record contains 35 total violations, with 35 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Total Trihalomethanes (TTHM). Recorded violations span 2018–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Washington state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- WA5303000
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mount Vernon, WA
- Population Served
- 167
- Health Violations
- Yes (35)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Trihalomethanes (TTHM) | 35 | 35 |
Violation History (35)
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.