Puget Sound Aquifer System — South King County
The Puget Sound aquifer system consists of glacial and interglacial deposits up to 3,000 feet thick. Multiple aquifer layers separated by glacial till confining units. Provides water to many communities in the Seattle-Tacoma metro area. Saltwater intrusion is a concern near the coast.
Overview
The Puget Sound aquifer system consists of glacial and interglacial deposits up to 3,000 feet thick. Multiple aquifer layers separated by glacial till confining units. Provides water to many communities in the Seattle-Tacoma metro area. Saltwater intrusion is a concern near the coast.
Water Source Data
Water Intelligence Score Breakdown
Total: 76/100Risk Assessment
Source depletion probability
Rights & regulatory exposure
Contamination & ecosystem risk
Geological Intelligence
Formation & aquifer contextHigh porosity — shallow, rechargeable aquifer
Pressurized between impermeable layers — protected from surface contamination
Land Details
Public AccessWater Rights
UnverifiedRights Status Unknown
Not yet researched
Water rights for this asset have not been independently verified. Title research and jurisdictional review are required before any acquisition.
- Requires title and rights research
- Contact state water resources agency
- Budget for legal due diligence
Disclaimer: Water rights information is provided for research and informational purposes only and does not constitute legal advice. Rights status, seniority, transferability, and enforceability vary by jurisdiction and change over time. Always consult a licensed water rights attorney and verify status with the relevant state water resources agency before any acquisition or use decision.
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Location
Data Sources & Attribution
Updated Apr 5, 2026Data is sourced from public and authoritative providers. Hi3 Water aggregates, normalizes, and scores records but does not assert ownership of underlying source data. Always verify critical details with the primary source before any decision.