Case Study Research on Offsets for Water Quality Management

The research analyzes six international water quality offset programs to determine how regulated dischargers can offset excess pollutant loads against reductions made elsewhere in a watershed. The study specifically aims to provide design and implementation lessons for Manitoba, where over 200 wastewater treatment facilities contribute to the eutrophication of Lake Winnipeg.

• Water quality offset programs allow regulated dischargers who exceed pollutant limits to offset those loads against larger pollution reductions achieved elsewhere within the same watershed, which can lead to cost-effective improvements because different sources face varying costs to control the same pollutant.
• In Manitoba, the use of offsets for the more than 200 wastewater treatment facilities discharging phosphorus into Lake Winnipeg may offer higher nutrient reductions and ancillary ecological benefits compared to resource-intensive facility upgrades, while fostering stakeholder relationships.
• The research synthesizes common elements across six specific programs—including the Lake Simcoe Phosphorus Offsetting Program, South Nation Conservation, Lake Taupō nitrogen trading, Tualatin River Program, Erie P Market, and the Ohio River Basin Trading Project—focusing on institutional setup, credit characteristics, transaction costs, and verification procedures.

APA

Stanley,, M. P. R. (2019). Case Study Research on Offsets for Water Quality Management. International Institute for Sustainable Development. https://www.iisd.org/publications/report/case-study-research-offsets-water-quality-management

Chicago

Stanley,, Marina Puzyreva,Dimple Roy,Madeline. Case Study Research on Offsets for Water Quality Management. International Institute for Sustainable Development, 2019. https://www.iisd.org/publications/report/case-study-research-offsets-water-quality-management.

Wikipedia

{{cite report |last1=Stanley, |first1=Marina Puzyreva,Dimple Roy,Madeline |title=Case Study Research on Offsets for Water Quality Management |publisher=International Institute for Sustainable Development |date=8 January 2019 |url=https://www.iisd.org/publications/report/case-study-research-offsets-water-quality-management |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{stanley2019case, author = {Stanley,, Marina Puzyreva,Dimple Roy,Madeline}, title = {{Case Study Research on Offsets for Water Quality Management}}, institution = {International Institute for Sustainable Development}, year = {2019}, month = jan, url = {https://www.iisd.org/publications/report/case-study-research-offsets-water-quality-management}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }