Back to today’s briefing

Story perspectives

Father of Biological Nutrient Removal, James L. Barnard, Dies at 90

3/20/2026

50 4

Summary

Story summary

James L. Barnard, a South African environmental engineer, died January 27 at age 90 from Parkinson's disease, at his home in Leawood, Kansas.
In the 1970s, Barnard developed a biological method using microorganisms to remove nitrogen and phosphorus from wastewater.
The method revolutionized wastewater treatment.
Barnard earned the title of father of biological nutrient removal (BNR).

1 of 1

Story summary

James L. Barnard, a South African environmental engineer, died January 27 at age 90 from Parkinson's disease, at his home in Leawood, Kansas.
In the 1970s, Barnard developed a biological method using microorganisms to remove nitrogen and phosphorus from wastewater.
The method revolutionized wastewater treatment.
Barnard earned the title of father of biological nutrient removal (BNR).