Water quality problems in private domestic wells may occur even when precautions are taken. This guide can help well owners with water quality testing and interpretation and contains tips …

In this publication we focus on vertical water-production wells commonly used to supply water for domestic, municipal, and agricultural uses in California.

Homeowners should know their well yield to ensure it can sustain them in demanding times. The well yield may be found in the well log created when the well was drilled and its pump …

To serve as a water supply, a drilled well must intersect bedrock fractures containing ground water. The casing is usually metal or plastic pipe, six inches in diameter that extends into the …

Maintaining your well and the surrounding area is important for protecting your drinking water and your health. Here are tips on how to maintain your well through regular inspections, testing, …

Obtain a copy of the well report on your completed well, including a bill of materials and record of work performed. You may also check Ecology’s well log database to see the copy filed by the …

If a professional is not available, refer to the well report (see Water Well Documentation section) for information on well diameter, depth, yield and water level drawdown during the required …