GAGE COUNTY, Neb. (KLKN) — A health alert has been issued for Rockford Lake by Nebraska Department of Health and Human Services (DHHS). The health alert was issued for Harmful Algal Blooms (HABs), also known as toxic blue-green algae. Samples taken earlier this week tested above the threshold, whi ch is eight parts per billion (ppb) of total microcystin, which is... ...read more read less