Land Development
Check Your Land Development Project Status Online
Domestic Water Wells
What You Need to Know about Water Quality in Your Well 
Well Disinfection and Water Sampling Information
Application & Permit to Construct a Small Diameter Well
Site Plan Submittal Requirements
Q. How do I get my well water tested for contamination?
A. There are a number of commercial laboratories that provide services to the public. These laboratories are listed in the Yellow Pages under the listing of "Laboratory Testing." When talking to the lab you need to be specific for the contaminant you wish to test. Generally, the labs will provide instructions on how you can obtain the sample.
Liquid Waste (Septic Systems)
Application for Permit to Construct a Sewage Disposal System
Site Plan Submittal Requirements
Q. What is an Individual Sewage Disposal System (ISDS)?
A. An Individual Sewage Disposal System (ISDS) is a privately owned and maintained sewage disposal system. They are commonly referred to as septic systems or onsite wastewater systems. All ISDS have two basic components, a two-compartment septic tank and a disposal field. The septic tank serves to separate and store solid material and the disposal field allows wastewater to percolate into the ground. In Butte County there are two general types of ISDS, conventional and alternative. Conventional systems use leach lines, leach beds or seepage pits for the disposal field component. Alternative systems use an above ground mound or below ground gravity sand filter for the disposal field component.
Q. Who designs my Individual Sewage Disposal System (ISDS)?
A. Due to the potential adverse impacts to public health and the environment from improperly designed or constructed sewage disposal systems, ISDS must be designed by a registered civil engineer, registered geologist, or a registered Environmental Health Specialist. When proposing a repair to an existing ISDS, a design by a registered professional may not be required.