Public water system record
Westport Water Department
Serves Westport, Grayland and Cohassett Beach, Grays Harbor County, WA · 5,346 people served
Federal records show 4 health-based violations and 13 monitoring/reporting issues for Westport Water Department in the last ten years. The most serious issue in this window was a Arsenic violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 4
- Any acute record
- No
- Monitoring issues, last 10 years
- 13
Key facts
- Westport Water Department draws water from 12 wells (3 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Arsenic, 0.0133 mg/L, federal limit 0.01 mg/L (1.3 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by Washington, December 2025.
- Record on file since 1979, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 47 service lines.
Check whether Westport Water Department serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.0113 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0128 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0133 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Arsenic
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2017 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
Full record since 1979
EPA's records for Westport Water Department go back to 1979. Before October 19, 2016 they list no health-based violations and 162 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 0 | 14 |
| 2000s | 0 | 142 |
| 2010 to October 18, 2016 | 0 | 5 |
| October 19, 2016 to 2019 | 0 | 6 |
| 2020s | 4 | 2 |
Enforcement actions
Washington regulators took 2 formal enforcement actions against Westport Water Department between 1993 and 2025. The most recent was a compliance order (no penalty) in December 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 4, 2025 | Washington | Compliance order (no penalty) | 4 violations (4 health-based): Arsenic |
| Apr 6, 1993 | Washington | Signed compliance agreement | 14 violations: Total Coliform |
What the violations mean
Arsenic
4 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Westport Water Department draws water from 12 wells (3 of them for emergency, seasonal or other part-time use).
Annual water quality report
Westport Water Department must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Washington.
Certified drinking water labs by state EPA guidance for private wells