Scenario 3The property uses a private well or the source is unknown
Do not borrow the public-system contaminant table for a private well. Document the well, treatment equipment, service history and plumbing, then use a certified laboratory panel selected for the actual source and concern.
Scenario 4The building has its own plumbing history
Even when the public-system report is correct, service lines, premise plumbing, water heaters and vacant-building conditions can create address-level questions. Separate system compliance from what a sample at the building can establish.
Scenario 1The bill names the research starting point
When the current bill identifies City of Auburn and PWSID IN5217001, use that exact system to locate the newest report. Compare the source description—Municipal wells—with the report before carrying any value into a treatment decision.
Scenario 2The ZIP code and supplier do not line up neatly
An address using ZIP 46706 may still sit near a utility boundary, purchased-water zone or private-well area. The postal code organizes mail; it does not prove that City of Auburn supplies the property.
Local research context: For regional navigation, this site groups Auburn with Fort Wayne and Northeast Indiana. For water evidence, the decisive identifiers remain the provider, PWSID and source serving the property.
Current city note: Hardness, iron and nitrate are practical baseline questions for groundwater homes.