Weekly Water Watch
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During the summer summer recreation season, our Weekly Water Watch e-newsletter provides updates on E. coli and microcystin beach advisories, important water quality news, and water-related events across the state.
Check back for updated beach advisories each week (disponible en Español) or sign up for the newsletter to get them in your inbox.
Read the latest issue of Weekly Water Watch for a list of current beach advisories.
Learn more about beach monitoring.
Beaches are updated each Friday with advisories Memorial Day weekend through Labor Day.
No advisories
E. coli advisory
Microcystin advisory
E. coli and microcystin advisories
Exceeds state advisory threshold for E. coli (what does this mean?)
Beach closed
2022 Weekly Water Watch Issues
| May 27, 2022 | June 3, 2022 | June 10, 2022 | June 17, 2022 |
| June 24, 2022 | July 1, 2022 | July 8, 2022 | July 15, 2022 |
| July 22, 2022 | July 29, 2022 | August 5, 2022 | August 12, 2022 |
| August 19, 2022 | August 26, 2022 | September 2, 2022 | |
Notable Statistics from Summer 2022
- North Twin Lake West Beach experienced its first advisory for microcystin in seven years.
- With 14 advisories for E. coli and 2 for microcystin, Lake Darling was under a swim advisory for all but the week of June 17, the fourth week of the recreation season.
- Since 2014, Backbone has experienced the most E. coli advisories of all monitored beaches at 118.
- Four beaches recorded advisories for both E. coli and microcystin.
- 25 state park beaches recorded swim advisories this summer. 14 state park beaches did not record an advisory.
- Crandall’s Beach (Spirit Lake), Rock Creek Lake, and Springbrook Beach in Guthrie County experienced their first advisories for microcystin since 2015.