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The research aims to explore the effects of low dissolved oxygen in biological nutrient removal wastewater treatment.

February 25, 2026Microbiology Resource Announcements0 citationsOpen Access

Metagenomes and metagenome-assembled genomes from a nutrient removal plant at Los Angeles County Sanitation Districts (LACSD) that transitioned from high to low dissolved oxygen

BEBlaise M. EnuhUniversity of Wisconsin–Madison KMKevin S. MyersUniversity of Wisconsin–Madison PAPhil Ackman

Key Points

The research aims to explore the effects of low dissolved oxygen in biological nutrient removal wastewater treatment.
Collected samples from Pomona water reclamation plant
Analyzed five metagenomes and 492 metagenome-assembled genomes
Examined conditions before and after dissolved oxygen reduction
Metagenomes show changes in microbial communities due to low dissolved oxygen
492 metagenome-assembled genomes were identified and analyzed
Potential reduction in energy costs linked to lower dissolved oxygen levels

Abstract

Operating biological nutrient removal (BNR) wastewater treatment plants with low dissolved oxygen (DO) conditions can reduce energy costs. We report on five metagenomes and 492 metagenome-assembled genomes (MAGs) obtained from samples collected at the Pomona water reclamation plant before and after a DO reduction from 3.5 to 0.7 mg/L.

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