Missouri: lake and river algae advisories

220 waters appear in the records of the Missouri Department of Natural Resources. Waters whose latest record is an advisory come first.

An advisory ends only when the department records a dissipation date. A closed case without one is not read as an end.

Waters in Missouri and what the state's latest record says
Water	Latest record
Anita B Dorman Education Pond	Advisory (advise), last posted Jul 23, 2026. No all-clear recorded.
Anita B Gorman Education Pond	Advisory (advise), last posted Aug 19, 2026. No all-clear recorded.
Blind Pony Lake	Advisory (advise), last posted May 23, 2026. No all-clear recorded.
Briars pond	Advisory (advise), last posted Sep 22, 2026. No all-clear recorded.
Carondelet Park, Boat House Lake	Notice (notice), last posted Aug 13, 2024. No all-clear recorded.
Catclaw Lake	Advisory (advise), last posted Aug 3, 2026. No all-clear recorded.
Catfish Cove (Forest Park Hatchery)	Advisory (advise), last posted Jul 21, 2026. No all-clear recorded.
Cleveland Lake	Advisory (advise), last posted Jun 23, 2026. No all-clear recorded.
Coon Creek	Advisory (advise), last posted May 17, 2026. No all-clear recorded.
Corby Pond St. Joseph, MO	Advisory (advise), last posted Sep 18, 2026. No all-clear recorded.
Douglas Branch	Notice (notice), last posted Oct 4, 2026. No all-clear recorded.
Eagles Parkway Trail Project	Advisory (advise), last posted Oct 3, 2026. No all-clear recorded.
Hagen Lake	Advisory (advise), last posted Sep 26, 2026. No all-clear recorded.
Harbors at Lake Chesterfield	Advisory (advise), last posted Jul 16, 2026. No all-clear recorded.
Jackrabbit	Advisory (advise), last posted Jun 18, 2026. No all-clear recorded.
Lac Michel terre du lac	Advisory (advise), last posted Aug 22, 2026. No all-clear recorded.
Lafayette Park Lake	Notice (notice), last posted Jul 2, 2024. No all-clear recorded.
Lake Allaman	Advisory (advise), last posted Jul 2, 2026. No all-clear recorded.
Lake Bluestem	Advisory (advise), last posted Jun 24, 2026. No all-clear recorded.
Lake Chesterfield (and tributary)	Advisory (advise), last posted Jul 5, 2026. No all-clear recorded.
Lake Nell	Advisory (advise), last posted Jun 24, 2026. No all-clear recorded.
Lake Robin Hood	Notice (notice), last posted Jun 14, 2023. No all-clear recorded.
Lone Jack Lake	Advisory (advise), last posted Jul 29, 2026. No all-clear recorded.
Manito Lake	Advisory (advise), last posted Jun 12, 2026. No all-clear recorded.
Maplewood Estates	Advisory (advise), last posted Jul 7, 2026. No all-clear recorded.
McCredie Watershed W-1 Reservoir	Advisory (advise), last posted Jul 12, 2026. No all-clear recorded.
Missouri River	Advisory (advise), last posted Aug 31, 2026. No all-clear recorded.
Neighborhood detention pond	Advisory (advise), last posted Jun 14, 2026. No all-clear recorded.
Prairie Hallow Lake (James A Reed)	Advisory (advise), last posted Jun 25, 2026. No all-clear recorded.
Roadside Lake	Advisory (advise), last posted May 27, 2026. No all-clear recorded.
Scattering Fork Creek	Advisory (advise), last posted May 28, 2026. No all-clear recorded.
Spring Fork Lake	Advisory (advise), last posted Jul 20, 2026. No all-clear recorded.
Spring River	Notice (notice), last posted May 19, 2024. No all-clear recorded.
Stockton Lake - Old Mill Kid’s Fishing Pond	Notice (notice), last posted Jul 6, 2024. No all-clear recorded.
Table Rock Lake	Notice (notice), last posted Aug 18, 2026. No all-clear recorded.
Tilles Park	Notice (notice), last posted Aug 19, 2024. No all-clear recorded.
Tipton Park Lake	Advisory (advise), last posted Aug 26, 2026. No all-clear recorded.
Tributary to Jemerson Creek	Advisory (advise), last posted May 22, 2026. No all-clear recorded.
Troost Lake	Notice (notice), last posted Apr 23, 2023. No all-clear recorded.
Turnback Creek	Notice (notice), last posted May 19, 2024. No all-clear recorded.
Turtle Pond at Caldwell Memorial CA	Advisory (advise), last posted Jul 29, 2026. No all-clear recorded.
VFW Lake	Advisory (advise), last posted Jun 18, 2026. No all-clear recorded.
Wellington Farm Lake 2	Notice (notice), last posted Sep 25, 2023. No all-clear recorded.
Anita B Gorman Conservation Discovery Center Pond	Reports on file, with no advisory level the state has classified.
Arlington Glen Pond	Reports on file, with no advisory level the state has classified.
Ashland Lake	Reports on file, with no advisory level the state has classified.
Ashland Lake near Ashland	Reports on file, with no advisory level the state has classified.
Austin Community Lake	Reports on file, with no advisory level the state has classified.
Austin Lake Conservation Area	Reports on file, with no advisory level the state has classified.
Bee Tree Lake	Reports on file, with no advisory level the state has classified.
Belleview Lake	The state recorded the bloom as dissipated on Apr 7, 2026.
Ben Branch	Reports on file, with no advisory level the state has classified.
Binder Lake	Reports on file, with no advisory level the state has classified.
Black Creek	Reports on file, with no advisory level the state has classified.
Blackwell Lake	Reports on file, with no advisory level the state has classified.
Bluestem	Reports on file, with no advisory level the state has classified.
Bluestem Lake (James A. Reed Memorial Wildlife Area)	The state recorded the bloom as dissipated on Jun 24, 2024.
Boathouse Lake	Reports on file, with no advisory level the state has classified.
Bourbeuse River	Reports on file, with no advisory level the state has classified.
Broemmelsiek Park	Reports on file, with no advisory level the state has classified.
Broemmelsiek park dog park pond	Reports on file, with no advisory level the state has classified.
Brushy Creek (at Grand and Mineral in Houston)	Reports on file, with no advisory level the state has classified.
Bucklin Lake	Reports on file, with no advisory level the state has classified.
Bull shoals	Reports on file, with no advisory level the state has classified.
Bull Shoals Lake	Reports on file, with no advisory level the state has classified.
Caldwell Memorial Wildlife Area- MDC Land	Reports on file, with no advisory level the state has classified.
Cameron reservoir no. 1 (Century Lake)	Reports on file, with no advisory level the state has classified.
Canyon View Lake	Reports on file, with no advisory level the state has classified.
Capital Federal Sports Complex: Pond 8	The state recorded the bloom as dissipated on Jul 2, 2024.
Carondelet Park Boathouse Lake	Reports on file, with no advisory level the state has classified.
Catclaw Lake (James A. Reed Memorial Wildlife Area)	Reports on file, with no advisory level the state has classified.
Catclaw Lake - James A Reed	The state recorded the bloom as dissipated on Sep 9, 2024.
Catclaw Lake at James A Reed. Memorial Wildlife Area	Reports on file, with no advisory level the state has classified.
Cedar Lake	Reports on file, with no advisory level the state has classified.
Chapman Farms pond	Reports on file, with no advisory level the state has classified.
Chaumiere Lake	Reports on file, with no advisory level the state has classified.
Chaumiere Park Lake	Reports on file, with no advisory level the state has classified.
Chesterfield Central Park Lake	Reports on file, with no advisory level the state has classified.
Community Club Lake (Rotary Park) Wentzville	Reports on file, with no advisory level the state has classified.
Crowder State Park Lake	Reports on file, with no advisory level the state has classified.
Crowley's Ridge Pond 1	The state recorded the bloom as dissipated on Jul 1, 2024.
crystal pool	Reports on file, with no advisory level the state has classified.
Cypress Lake	Reports on file, with no advisory level the state has classified.
Dickerson Creek	Reports on file, with no advisory level the state has classified.
Drexel City Reservoir South	Reports on file, with no advisory level the state has classified.
Drexel Lake	Reports on file, with no advisory level the state has classified.
Dunnegan Memorial Park Lake	Reports on file, with no advisory level the state has classified.
Eagle Bay Fishing Lake	Reports on file, with no advisory level the state has classified.
Eleven Point River	Reports on file, with no advisory level the state has classified.
Fassnight Creek	Reports on file, with no advisory level the state has classified.
Fee fee creek	Reports on file, with no advisory level the state has classified.
Finger Lakes State Park	The state recorded the bloom as dissipated on Jun 29, 2026.
Fishing River	Reports on file, with no advisory level the state has classified.
Florissant Storm Water Basin	Reports on file, with no advisory level the state has classified.
Former #9Lake at 1600 Country Club in Pleasant Hill, MO	Reports on file, with no advisory level the state has classified.
Fort zumwalt park pond (Lake Whetsel)	Reports on file, with no advisory level the state has classified.
Fox Creek	Reports on file, with no advisory level the state has classified.
Gopher	Reports on file, with no advisory level the state has classified.
Green City Lake	Reports on file, with no advisory level the state has classified.
Grindstone Reservoir	Reports on file, with no advisory level the state has classified.
Hager Lake	Reports on file, with no advisory level the state has classified.
Hi Pointe Lake- Pea Ridge Conservation Area	Reports on file, with no advisory level the state has classified.
Hilltop Lake	Reports on file, with no advisory level the state has classified.
Honker Pond	Reports on file, with no advisory level the state has classified.
Hough Park Lake	Reports on file, with no advisory level the state has classified.
Indian Camp Creek Park Lake	Reports on file, with no advisory level the state has classified.
Indian Lake	Reports on file, with no advisory level the state has classified.
Jackrabbit Lake	Reports on file, with no advisory level the state has classified.
Jackrabbit Lake (James A. Reed Memorial Wildlife Area)	Reports on file, with no advisory level the state has classified.
James A. Reed Memorial Wildlife Area (Bluestem Lake)	Reports on file, with no advisory level the state has classified.
James A. Reed Memorial Wildlife Area (Plover Lake)	Reports on file, with no advisory level the state has classified.
James river Christian county	Reports on file, with no advisory level the state has classified.
Jesse James Park Pond	The state recorded the bloom as dissipated on Nov 7, 2024.
Kiwanis Park Pond	Reports on file, with no advisory level the state has classified.
Kluesner Lake	The state recorded the bloom as dissipated on Aug 22, 2023.
Krug Park Lake	Reports on file, with no advisory level the state has classified.
Labelle Lake	The state recorded the bloom as dissipated on Jun 4, 2026.
Labelle Lake #2	Reports on file, with no advisory level the state has classified.
Lake Briarwood	Reports on file, with no advisory level the state has classified.
Lake Eleanor	Reports on file, with no advisory level the state has classified.
Lake Lotawana	Reports on file, with no advisory level the state has classified.
Lake Mahoney	Reports on file, with no advisory level the state has classified.
Lake of the Ozarks	Reports on file, with no advisory level the state has classified.
Lake of the Ozarks - Bagnell Dam by North cliffs	Reports on file, with no advisory level the state has classified.
Lake of the Ozarks - Davey Hollow Cove	Reports on file, with no advisory level the state has classified.
Lake of the Ozarks - FLW rec Area	Reports on file, with no advisory level the state has classified.
Lake of the Ozarks - Osage Arm	Reports on file, with no advisory level the state has classified.
Lake Remembrance	Reports on file, with no advisory level the state has classified.
Lake Saint Clair - Lake 4.	Reports on file, with no advisory level the state has classified.
Lake Show-Me	Reports on file, with no advisory level the state has classified.
Lake Springfield	Reports on file, with no advisory level the state has classified.
Lake St. Clair	Reports on file, with no advisory level the state has classified.
Lake St. Clair #1	Reports on file, with no advisory level the state has classified.
Lake Taneycomo	Reports on file, with no advisory level the state has classified.
Lake Viking	Reports on file, with no advisory level the state has classified.
Lake Wappapello	Reports on file, with no advisory level the state has classified.
Lake Wooldridge	Reports on file, with no advisory level the state has classified.
Lick Creek Conservation Area Lake	Reports on file, with no advisory level the state has classified.
Lion's Lake	Reports on file, with no advisory level the state has classified.
Little Bear Lake	The state recorded the bloom as dissipated on Sep 17, 2025.
Little Prairie Lake	Reports on file, with no advisory level the state has classified.
lodge lake pond	Reports on file, with no advisory level the state has classified.
Lone Jack Lake Conservation Area	Reports on file, with no advisory level the state has classified.
Loose Lake	The state recorded the bloom as dissipated on Aug 15, 2024.
Mark Twain Lake, Middle Fork Arm	Reports on file, with no advisory level the state has classified.
Mattesse creek	Reports on file, with no advisory level the state has classified.
Mike's creek	Reports on file, with no advisory level the state has classified.
Mikes Creek	Reports on file, with no advisory level the state has classified.
Miller Community Lake	The state recorded the bloom as dissipated on Sep 17, 2025.
Mississippi River	Reports on file, with no advisory level the state has classified.
Missouri Botanical Gardens - Japanese Garden	Reports on file, with no advisory level the state has classified.
Moniteau Creek	Reports on file, with no advisory level the state has classified.
Mozingo Lake	Reports on file, with no advisory level the state has classified.
New Melle Lake	The state recorded the bloom as dissipated on Apr 13, 2026.
North Fork White River	Reports on file, with no advisory level the state has classified.
Odessa Reservoir	Reports on file, with no advisory level the state has classified.
Peabody Lake	Reports on file, with no advisory level the state has classified.
Peculiar City Reservoir	The state recorded the bloom as dissipated on Aug 21, 2024.
Penn Valley Lake	Reports on file, with no advisory level the state has classified.
Perche Creek (upstream Providence Access)	Reports on file, with no advisory level the state has classified.
Perry County Community Lake	Reports on file, with no advisory level the state has classified.
Perry County Stream near Perry County Rd 621	Reports on file, with no advisory level the state has classified.
Pim Lake	Reports on file, with no advisory level the state has classified.
Pim Lake - St. Joe State Park	Reports on file, with no advisory level the state has classified.
Pin Oak Lake	Reports on file, with no advisory level the state has classified.
Pit 12	Reports on file, with no advisory level the state has classified.
Pleasant Hill City Lake	Reports on file, with no advisory level the state has classified.
Pleasant Hollow Pond	Reports on file, with no advisory level the state has classified.
Plover	The state recorded the bloom as dissipated on Jul 14, 2023.
Plover Lake	Reports on file, with no advisory level the state has classified.
Plover, Catclaw, Jackrabbit, Nell Lakes on James A. Reed Memorial Wildlife Area	Reports on file, with no advisory level the state has classified.
Plumbing issue in my apartment complex	Reports on file, with no advisory level the state has classified.
Pointe Royale lower lake	Reports on file, with no advisory level the state has classified.
Pomme de Terre Lake	The state recorded the bloom as dissipated on Jun 8, 2026.
Pomme de Terre Lake Project	The state recorded the bloom as dissipated on Jun 8, 2026.
Pond in Nixa	Reports on file, with no advisory level the state has classified.
Pool 8, Eagle bluffs.	Reports on file, with no advisory level the state has classified.
Port Hudson Lake	Reports on file, with no advisory level the state has classified.
Prairie Lake	Reports on file, with no advisory level the state has classified.
Preslar Lake	Reports on file, with no advisory level the state has classified.
Proctor Lake	Reports on file, with no advisory level the state has classified.
Quarry Pond (on the campus of Mineral Area College)	Reports on file, with no advisory level the state has classified.
Queeny Park, back pond (large fishing pond)	Reports on file, with no advisory level the state has classified.
Rabbit Run Lake	Reports on file, with no advisory level the state has classified.
Ray County Community Lake	Reports on file, with no advisory level the state has classified.
Retention Pond - McCluer Village Subdivision	Reports on file, with no advisory level the state has classified.
Rocky Fork Lake	Reports on file, with no advisory level the state has classified.
Rotary Lake	Reports on file, with no advisory level the state has classified.
Rothwell Lake	Reports on file, with no advisory level the state has classified.
Rudolph-Bennit Lake	Reports on file, with no advisory level the state has classified.
Sante Fe Lake	Reports on file, with no advisory level the state has classified.
Savannah City Reservoir	The state recorded the bloom as dissipated on Aug 24, 2026.
Sims Valley Community Lake	Reports on file, with no advisory level the state has classified.
small pond in golf course adj to Cosmopolotin Park, Columbia	Reports on file, with no advisory level the state has classified.
Smithville Lake	Reports on file, with no advisory level the state has classified.
Spring lake	Reports on file, with no advisory level the state has classified.
Spur Pond	Reports on file, with no advisory level the state has classified.
Stephens Lake	Reports on file, with no advisory level the state has classified.
Stockton Lake	Reports on file, with no advisory level the state has classified.
Sugar Hollow Lake	The state recorded the bloom as dissipated on Aug 5, 2023.
Sunrise Lake	The state recorded the bloom as dissipated on May 22, 2024.
Taneycomo	Reports on file, with no advisory level the state has classified.
Tipton City Park Lake	Reports on file, with no advisory level the state has classified.
Towell Lake	Reports on file, with no advisory level the state has classified.
Tributary to East Creek	The state recorded an end date of May 26, 2026.
Truman Lake, Truman Park, Fulton	Reports on file, with no advisory level the state has classified.
Truman Reservoir - S. Grand River Arm	Reports on file, with no advisory level the state has classified.
Turkey Creek	Reports on file, with no advisory level the state has classified.
Unknown - off Clark Trail	Reports on file, with no advisory level the state has classified.
Vandalia Community Lake	Reports on file, with no advisory level the state has classified.
Walden Pond, also called Hermit Hollow Lake	Reports on file, with no advisory level the state has classified.
Waterworks Lake (Moberly Old Reservoir)	Reports on file, with no advisory level the state has classified.
Weldon Spring City Park Lake	Reports on file, with no advisory level the state has classified.
Werner sunset lake	Reports on file, with no advisory level the state has classified.
West Water Retention Basin in Kehrs Mill Estates Subdivision	Reports on file, with no advisory level the state has classified.
Westside Park Lake - Fenton, Missouri	Reports on file, with no advisory level the state has classified.
William Towell Lake - Little Prairie CA	Reports on file, with no advisory level the state has classified.
William Towell Lake - Little Prarie CA	Reports on file, with no advisory level the state has classified.
wilson rd lake	The state recorded the bloom as dissipated on Jul 1, 2024.
Woodbury Pond	Reports on file, with no advisory level the state has classified.

Missouri data: Missouri Department of Natural Resources, Harmful Algal Bloom response map. Status codes are the department's; their plain-English labels here are this site's reading of the codes.

Required by the State of Missouri:

The data made available here has been modified for use from its original source, which is the State of Missouri. THE STATE OF MISSOURI MAKES NO REPRESENTATIONS OR WARRANTY AS TO THE COMPLETENESS, ACCURACY, TIMELINESS, OR CONTENT OF ANY DATA MADE AVAILABLE THROUGH THIS SITE. THE STATE OF MISSOURI EXPRESSLY DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. The data is subject to change as modifications and updates are complete. It is understood that the information contained in the Web feed is being used at one’s own risk.