State of New Mexico > Environment Department > Liquid Waste Program
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Advanced Treatment Systems

Advanced Treatment Systems (ATS) utilize advanced technology to treat liquid waste.  These systems are also referred to as Aerobic Treatment Units (ATU's).  In general, the addition of ambient oxygen into these systems through proprietary designs, encourages aerobic bacteria to process the waste water to cleaner levels than typically accomplished with conventional treatment systems.  These systems may be used to overcome site limitations and increase the development options available for properties that do not meet the minimum lot size or have other limiting conditions such as poor soil, shallow depth to ground water and other conditions.

Advanced Treatment Systems must be installed by qualified installers.

List of approved Advanced Treatment Systems


Please Note: This web page is currently under development

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