Harmful Algae Blooms

Brian Grimmett / Kansas News Service

WICHITA — Toxic blue-green algal blooms have been causing major problems on Kansas’ lakes since about 2010.

Because the pond scum can make people sick, the lakes became out of bounds for swimmers and the like.

Yet now the phenomenon is costing Kansans money. It’s infiltrating city water systems, triggering slightly more expensive treatments to keep drinking water safe.