Install a pitless adapter and sanitary well cap to code
domain: watersystemscouncil.org · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Confirm required casing termination height above finished grade and above any flood elevation per the applicable state code
Select a pitless adapter or pitless unit bearing a label confirming compliance with the Water Systems Council PAS-97 standard
Install the adapter/unit per manufacturer instructions and any state approval conditions
Fit a vented, gasketed sanitary well cap with no openings beyond factory-installed vent and wiring penetrations
Verify the cap is tool-removable only and resistant to weathering and corrosion before closing out the job
Known gotchas
Several states require a PAS-97 compliance label on the pitless adapter; a generic hardware-store fitting may not satisfy code
Both a minimum above-grade height and a flood-elevation offset can apply simultaneously, and the more restrictive one governs
Any well cap opening beyond the factory vent and power wiring generally requires specific state approval, not field modification
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