Well Program


Water Well Data

This service provides the public with mapping and dashboard tools to search for water well construction permit data. 

Download Environmental Health datasets
Field descriptions for search results
Disclaimer for search results

Looking for well driller tools? Visit Well Driller Resources

Private Well Owner Resources

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.

A Guide for Private Domestic Well Owners 
How to Maintain Your Well Video
Well Owners Checklist

Water Well Construction Permitting

This service allows you to apply for a permit to construct a new Water Well within San Luis Obispo County.

Water Well Destruction Permitting

This service allows you to apply for a permit to destroy an existing Drinking Water Well located within San Luis Obispo County.

Well Driller Resources

This service provides interactive map tools and guidance documents/resources to assist the well driller through the well permit application process. 

Step by Step Guide for Well Driller Tools

Run Analysis for a Proposed Well Site
Launch Tool that reports within which administrative boundaries a proposed well site is located. 

New DrillerView for Creating a Well Permit Plot Plan
Launch Tool that identifies within which administrative boundaries a proposed well site is located and provides drawing and measuring tools to create a well permit plot plan in accordance with the permit criteria.  Please note that the older version of DrillerView will retire March 31st, 2026.

Water Well Data
Please visit Water Well Data to search for County of San Luis Obispo County water well construction permit data. 

Monitoring Well Construction Permitting

This service allows you to apply for a permit to construct a new Monitoring Well within San Luis Obispo County.

Monitoring Well Destruction Permitting

This service allows you to apply for a permit to destroy an existing Monitoring Well located within San Luis Obispo County.