King County Water Quality Samples from Puget Sound and Streams

Water quality samples collected from Puget Sound, lakes, and streams in the King County region. The dataset includes 25 columns such as Parameter, Value, Units, and Collect DateTime. Data is provided by data.kingcounty.gov and was last updated in April 2026.

Use Cases

• Modeling temporal trends in water quality by analyzing Value and Units over the Collect DateTime field.
• Classifying Site Type or Area based on measured Parameter and Text Value using classification algorithms.
• Identifying relationships between environmental factors by correlating Depth (m) with Parameter and Value readings.
• Anomaly detection in water quality by flagging records where Lab Qualifier or QualityId indicates non-standard conditions.
• Predicting the Method used for analysis from features like Parameter, Units, and Data Source.

Strengths

• Dataset contains 25 detailed columns per sample, including measurement, location, and lab metadata.
• Data is actively maintained, with a recorded update in April 2026.

Limitations

• The total number of samples (rows) is unknown, making it difficult to assess statistical power.
• Key metadata like sample size, license, and author are not provided in the source description.
• Geographic coverage is limited to the King County region, which may not be representative of other areas.

Provenance

Source

data.kingcounty.gov

Collection Method

Samples collected from Puget Sound, lakes, and streams in the region.

Time Range

null

Freshness

Updated April 2026.

Geography

Puget Sound, lakes, and streams in the King County region.