Oregon
For Oregon, testing required at sale? is In any transaction for the sale or exchange of real estate that includes a well that supplies ground water for domestic purposes, the seller of the real estate shall, upon accepting an offer to purchase that real estate, have the well tested for arsenic, nitrates and total coliform bacteria; what must be tested is arsenic, nitrates and total coliform bacteria; who tests / pays is the seller of the real estate; authority is 448.271, verified against its source on 2026-08-18.
- State
- Oregon our reading
- Testing required at sale?
- In any transaction for the sale or exchange of real estate that includes a well that supplies ground water for domestic purposes, the seller of the real estate shall, upon accepting an offer to purchase that real estate, have the well tested for arsenic, nitrates and total coliform bacteria verified
- What must be tested
- arsenic, nitrates and total coliform bacteria verified
- Who tests / pays
- the seller of the real estate verified
- Authority
- 448.271 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
In any transaction for the sale or exchange of real estate that includes a well that supplies ground water for domestic purposes, the seller of the real estate shall, upon accepting an offer to purchase that real estate, have the well tested for arsenic, nitrates and total coliform bacteria. The Oregon Health Authority also may, by rule, require additional tests for specific contaminants in specific areas of public health concern. The seller shall submit the results of the tests required under this section to the authority and to the buyer within 90 days of receiving the results of the tests.
— oregonlegislature.gov, retrieved 2026-08-18
Source
- oregonlegislature.govhttps://www.oregonlegislature.gov/bills_laws/ors/ors448.html