Rural Home CompassState guidance
The rules change at the state—and often local—line.
These pages are published only when official state material changes the homeowner’s next action. ZIP codes are never treated as proof that a property has a well or septic system.
Find reviewed guidance
Start with your ZIP code.
We use only the ZIP prefix to suggest a guide. Confirm the state and local authority before acting.
North Carolina
North Carolina has unusually actionable statewide guidance: new private wells require testing tied to completion, existing-well owners receive a tiered testing schedule, and local health departments are central to both well and septic records.
7 official sources · Reviewed 2026-09-07→NYNew York
New York combines a clear recurring water-testing schedule with strong stop-use guidance for suspected chemical contamination. Some counties may also have PFAS testing and treatment support that is not available statewide.
11 official sources · Reviewed 2026-09-07→PAPennsylvania
Pennsylvania differs from many states because DEP does not regulate private homeowner wells at the state level. Local ordinances may apply, while on-lot septic permitting and enforcement are largely administered by municipalities or joint local agencies.
4 official sources · Reviewed 2026-09-05→VAVirginia
Virginia makes the ownership split unusually clear: a new well receives construction-related bacteriological testing, ongoing water quality becomes the owner’s responsibility, and septic permits can reveal design capacity and continuing duties that matter before a purchase.
3 official sources · Reviewed 2026-09-05→MIMichigan
Michigan combines a useful state well-testing workflow with highly local septic administration. The state recommends annual coliform and nitrate testing, but the local health department remains central to both additional water-test choices and onsite-system permits.
3 official sources · Reviewed 2026-09-05→WIWisconsin
Wisconsin offers unusually concrete homeowner guidance: routine well testing, county- and history-specific arsenic decisions, state well records, and a statewide county-run maintenance tracking system for private onsite wastewater treatment systems.
9 official sources · Reviewed 2026-09-07→