The information on this page is intended to assist private well owners in San Luis Obispo County with routine maintenance of well systems and to help make sure well water is safe to use.
The water quality from private (non-commercial) wells is not regulated or monitored by any outside agency or company. It is the responsibility of the private well owner to ensure that their well water is safe.
Some unhealthy water contaminants, such as bacteria, heavy metals, nitrates, radon, and many chemicals, can only be found by laboratory testing. A water testing laboratory can test your well water. The laboratory will supply the sampling bottles and can help you sample your own well.