Blue-green Algae in North Dakota
15 confirmed blue-green algae reports in North Dakota, 8 still active. About this disease: symptoms and prevention.
15
Reports on record
8
Currently active
0
Last 7 days
8
Last 30 days
Where in the state
1
1
1
1
1
1
Recent reports
Blue-green Algae
Active · Aug 26, 2026
Dickinson
Edward Arthur Patterson Lake, Stark County; NDDEQ HAB advisory 8/26
Source ↗Blue-green Algae
Active · Aug 26, 2026
Elgin
Lake Tschida, Grant County; NDDEQ HAB WARNING 8/26
Source ↗Blue-green Algae
Active · Aug 26, 2026
Rugby
Clear Lake, Pierce County; NDDEQ HAB advisory 8/26; lake not geocodable, pinned at county seat
Source ↗Blue-green Algae
Active · Aug 26, 2026
Rugby
Antelope Lake, Pierce County; NDDEQ HAB advisory 8/26; lake not geocodable, pinned near county seat
Source ↗Blue-green Algae
Active · Aug 19, 2026
Napoleon
West Lake Napoleon, Logan County; NDDEQ HAB advisory 8/19
Source ↗Blue-green Algae
Active · Aug 19, 2026
Dawson
Lake Isabel, Kidder County; NDDEQ HAB advisory 8/19
Source ↗Blue-green Algae
Active · Aug 13, 2026
Sykeston
Sykeston Dam, Wells County; NDDEQ HAB advisory 8/13
Source ↗Blue-green Algae
Active · Aug 11, 2026
Valley City
Lake Ashtabula, Barnes County; NDDEQ HAB advisory 8/11
Source ↗Blue-green Algae
Historical · Aug 4, 2026
Dunn Center
Lake Ilo, Dunn County; NDDEQ HAB advisory 8/4
Source ↗Blue-green Algae
Historical · Jul 16, 2026
Foxholm, Renville County
Lake Darling (Upper Souris NWR)
Source ↗