Water Quality in 98660 — Vancouver, WA
EPA data for VANCOUVER CITY OF
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 98660 in Vancouver, Washington is served by VANCOUVER CITY OF (EPA ID: WA5391200). This system provides water to approximately 373,047 people from groundwater sources.
There are 12 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead | Inorganic | 2 | No |
| Stage 1 DBP Rule | Treatment Technique | 2 | Yes |
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Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| VANCOUVER CITY OF | WA5391200 | 373,047 | Groundwater |
| CLARK PUBLIC UTILITIES | WA5313333 | 116,876 | Groundwater |
| YACOLT | WA5399000 | 3,034 | Groundwater |
| AMBOY CLARK PUBLIC UTILITIES | WA5304625 | 991 | Groundwater |
| VISTA DEL RIO MOBILE HOME PARK | WA5306044 | 352 | Groundwater |
What You Can Do
- Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
- Consider a home water test — Independent testing can reveal issues in your specific plumbing
- Install a certified water filter — NSF-certified filters can address specific contaminants
- Contact your water provider — Ask about current treatment and any ongoing remediation
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Washington
- 98001 (Auburn) — 4 violations
- 98003 (Federal Way) — 5 violations
- 98004 (Bellevue)
- 98010 (Black Diamond)
- 98011 (Bothell) — 9 violations
- 98014 (Carnation) — 163 violations
- 98019 (Duvall) — 1 violation
- 98020 (Edmonds) — 1 violation
- 98022 (Enumclaw) — 1 violation
- 98024 (Fall City)
- 98027 (Issaquah) — 9 violations
- 98028 (Kenmore)
- 98030 (Kent) — 2 violations
- 98033 (Kirkland) — 3 violations
- 98036 (Lynnwood) — 6 violations
- 98038 (Maple Valley) — 7 violations
- 98052 (Redmond) — 2 violations
- 98055 (Renton) — 2 violations
- 98072 (Woodinville) — 6 violations
- 98074 (Sammamish) — 10 violations
Nearby Water Quality Reports
- 97201 (Portland, OR) — 9 mi — 5 violations
- 97003 (Beaverton, OR) — 12 mi — 4 violations
- 97024 (Fairview, OR) — 13 mi — 28 violations
- 97030 (Gresham, OR) — 15 mi — 13 violations
- 97034 (Lake Oswego, OR) — 16 mi — 10 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for VANCOUVER CITY OF (WA5391200) on EPA.gov.
Frequently Asked Questions
Is the tap water in 98660 safe to drink?
Vancouver’s water system has recorded 2 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
Where does 98660’s water come from?
The primary water source for this area is groundwater. VANCOUVER CITY OF serves approximately 373,047 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 98660 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 98660. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 98660?
Radon zone data is not available for ZIP code 98660. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.