Dead fish found Monday at fertilizer spill site in Dubuque 6/23/2020 7:47:00 PM View Count 1273 DUBUQUE—During a follow-up check at the site of a fertilizer spill Monday, the DNR found elevated ammonia levels and dead fish in the southeast corner of Bee Branch Pond in Dubuque.
Fish kill in Dubuque County caused by dairy runoff 10/31/2017 3:11:00 PM View Count 3950 DYERSVILLE – The DNR received laboratory results last week confirming that ammonia toxicity in runoff from a dairy was responsible for an October fish kill in Dubuque County.
DNR traces fish kill near Collins in Jasper County to an underground tile line 9/14/2016 8:38:00 AM View Count 4018 COLLINS – A fish kill along Wolf Creek in Jasper County has been traced to high ammonia levels flowing out of an underground tile line about one mile southwest of Collins in Story County.