Reporting of harmful algal blooms helps alert others, keeps state agencies informed of pollution issues

HELENA-Don't let an encounter with a harmful algal bloom ruin an outing on a beautiful Montana summer day. Blooms can impact human health and the health of freshwater ecosystems.

Harmful algal blooms most often occur in Montana's reservoirs and lakes, although water users should also be cautious about water flowing immediately downstream of a HAB. Common characteristics of HABs include green, b...