# Louisiana — Private well water testing at property sale: which states require it

For Louisiana, testing required at sale? is Although testing is not required in the State of Louisiana, it is strongly recommended that owners test their wells for Total Coliform/E. Coli bacteria at least annually; who tests / pays is Private water wells are unregulated in the State of Louisiana, leaving owners responsible for any maintenance, care and testing of their wells; authority is Real Estate Well Testing Requirements, verified against its source on 2026-08-18.

- **State:** Louisiana _(our reading, not quoted from the source)_
- **Testing required at sale?:** Although testing is not required in the State of Louisiana, it is strongly recommended that owners test their wells for Total Coliform/E. Coli bacteria at least annually _(verified: appears in the quote below)_
- **Who tests / pays:** Private water wells are unregulated in the State of Louisiana, leaving owners responsible for any maintenance, care and testing of their wells _(verified: appears in the quote below)_
- **Authority:** Real Estate Well Testing Requirements _(verified: appears in the quote below)_

## What the source says

> Private water wells are unregulated in the State of Louisiana, leaving owners responsible for any maintenance, care and testing of their wells. Lenders often require some type of testing for real estate transfers and may defer to the regulations of the state where the transaction is occurring. Although testing is not required in the State of Louisiana, it is strongly recommended that owners test their wells for Total Coliform/E. Coli bacteria at least annually.

## Source

- https://ldh.la.gov/page/real-estate-testing-requirements

Last verified: 2026-08-18. Review by: 2027-08-18.
Part of [Private well water testing at property sale: which states require it](https://referencesource.org/well-water-testing-at-property-transfer/).