Puget Sound Indicator Name
Onsite septic system inventory: documented systems
Progress Indicator
Each Unit (count)
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Contributing Partners
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Related Ongoing Programs
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Number of onsite septic systems inventoried with their relevant local health jurisdiction

Progress Indicator Chart

In Puget Sound, fecal pollution impacts water quality, harvest ability and food safety of shellfish, and presence of viruses in swimming areas. Local health jurisdictions across the Puget Sound region work to educate and provide technical assistance to homeowners with onsite septic systems to prevent pollution concerns before they arise. 

This Progress Indicator tracks the number of inventoried onsite septic systems (OSS). An OSS is inventoried if there is a record of its existence on file with the respective local health jurisdiction. The data collected for this Progress Indicator illustrate progress in documenting OSS with relevant health departments to ensure proper and safe operation and maintenance of septics. When this Progress Indicator is paired with the number of suspected OSS, we better understand the gap in documentation of septic systems. Without documentation, septic systems could lack proper maintenance or fail, potentially threatening our ecosystems and public health. 

This Progress Indicator is in development. 

Key Progress Indicator Results

This Progress Indicator is currently under development. 

Monitoring Program

County Local Health Jurisdictions

Data Source

Local Health Jurisdiction routine biannual reporting to Washington Department of Health. 

Critical Definitions

Inventoried Onsite Septic System: classification of a parcel with a property or structure that has a septic system and whose septic system is documented with the local health jurisdiction. 

Interpretation of Results

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Reporting Guidance
Reporting Instructions

No Subcategories for this Puget Sound Indicator.