Full CoveragePolk County to unveil long-awaited water quality report Monday
By Lia Reichmann
Top news
Polk County Water Quality Initiatives
Polk County research report confirms nitrate in rivers directly tied to agriculture
By Adriana Torres
Polk County report: Majority of central Iowa water pollution tied to farming
By donnelle eller, Virginia Barreda & Nick El Hajj
Polk County water report pins unhealthy rivers on ag pollution
By Jared Strong
All coverage
Central Iowa's rivers face monumental challenges beyond the current lawn watering ban
By Rachel Cramer
Report: 80% of Des Moines river nitrates linked to farming
By Jason Clayworth
"It doesn't have to be this way" - Scientists confirm Iowa farm pollution is creating dire health risks
By Carey Gillam