Clallam Bay Sekiu
EPA ID: WA5313200 · 1,824 people served · 1 ZIP code
Five clean years on EPA record — Clallam Bay Sekiu, 1,824 residents served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Clallam Bay Sekiu Source: EPA SDWIS service area boundaries.
Service area boundary
💧 Where Does Your Water Come From?
Clallam Bay Sekiu's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Clallam County, Washington rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Washington
System Overview
Clallam Bay Sekiu (EPA ID: WA5313200) is a community water system in Washington that serves approximately 1,824 people from groundwater sources.
This system serves ZIP code 98324 in Carlsborg.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 98324 — Carlsborg
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Clallam Bay Sekiu (WA5313200) on EPA.gov.
Frequently Asked Questions
Is Clallam Bay Sekiu water safe to drink?
Based on EPA records, Clallam Bay Sekiu has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Clallam Bay Sekiu serve?
Clallam Bay Sekiu serves approximately 1,824 people across 1 ZIP code in Washington.
Where does Clallam Bay Sekiu get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.