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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

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Published on: May 15, 2017

A unit process log reduction database for water reuse practitioners.

Sam Arden¹, Kyle McGaughy¹, James Phillips¹

¹Eastern Research Group, Inc. (ERG), Concord, MA, USA.

Water Research X

|May 20, 2024

Summary

This summary is machine-generated.

This review compiles pathogen reduction data for water reuse systems. It provides a database of log reduction values (LRVs) and credits (LRCs) to aid in designing safer and more cost-effective treatment trains.

Keywords:

Human health protection Log reduction credit Log reduction value Non-potable reuse

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Area of Science:

Environmental Science
Public Health
Water Treatment Engineering

Background:

Pathogen reduction is crucial for water reuse safety, but understanding performance is hindered by dispersed literature.
Inconsistent knowledge of pathogen reduction can lead to under-treatment (health risks) or over-treatment (unnecessary costs).

Purpose of the Study:

To create a centralized database of pathogen reduction values (LRVs) and credits (LRCs) for unit processes in water reuse.
To support practitioners in designing, modeling, and understanding onsite non-potable water reuse systems.

Main Methods:

Compiled over 1100 LRV data entries for 31 unit processes.
Extracted log reduction credits (LRCs) for 8 unit processes.
Documented associated design and operational factors where available.

Main Results:

The database offers accessible LRV and LRC data for water reuse practitioners.
Inconsistent reporting of influencing parameters was noted as a limitation.
The resource aims to balance human health protection, environmental impact, and cost.

Conclusions:

A comprehensive database of pathogen reduction performance is now available for water reuse applications.
Improved data accessibility can lead to optimized water reuse treatment train design.
This work contributes to safer, more efficient, and cost-effective water reuse practices.