Domestic Well Testing for Real Estate Transactions
When property containing a well which supplies groundwater for domestic purposes is sold, the well must be tested for nitrate and total coliform bacteria and the results reported to the Health Services.
Domestic Well Testing (Oregon Administrative Rules) (pdf 20K)
Reporting Form (pdf 31K) Submit this form for all real estate transactions that include a well for domestic use. Springs do not need to be tested under this law. (ORS 448.271)
FAQ Sheet Frequently asked questions about domestic well testing
EPA's Private Drinking Water Wells website
Fact Sheet: Coliform Bacteria and how to disinfect a well (pdf 9K)
Fact Sheet: Nitrate (pdf 8K)
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