ARROWHEAD BEACH COOP WATER ASSOC
PWSID: WA5303000 · Mt Vernon, WA · Serves 167 people
According to EPA Safe Drinking Water Information System (SDWIS), ARROWHEAD BEACH COOP WATER ASSOC (PWSID WA5303000) in Mt Vernon, WA is listed as a CWS water system covering about 167 people. The same extract lists 37 health-based violation records spanning 2018-2025. Those 37 health-based rows for ARROWHEAD BEACH COOP WATER ASSOC cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
ARROWHEAD BEACH COOP WATER ASSOC has 37 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including TTHM. Recorded violations span 2018–2025. Day-to-day primacy enforcement for this system runs through the Washington drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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
- Mt Vernon, WA
- Population Served
- 167
- Health Violations
- Yes (37)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 37 | 37 |
Violation History (37)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Apr 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for ARROWHEAD BEACH COOP WATER ASSOC?
How many people does ARROWHEAD BEACH COOP WATER ASSOC serve?
What violations does ARROWHEAD BEACH COOP WATER ASSOC have?
What contaminants have been found in ARROWHEAD BEACH COOP WATER ASSOC water?
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ARROWHEAD BEACH COOP WATER ASSOC on cumulative violation count (37) and EPA-reported population served (167). Violation-count peers include CALISTOGA, CITY OF, CULBERTSON WATER SYSTEM, CLEVELAND PWS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
ARROWHEAD BEACH COOP WATER ASSOC (WA5303000) is drawn from EPA SDWIS. Nearby county systems in this extract include SKAGIT COUNTY PUD 1 JUDY RES; ANACORTES CITY OF; CARNATION WATER SYSTEM CITY OF; SHELTER BAY COMMUNITY INC. Health-based rows (37 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.