Advisories:
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| County | Site | Units | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ashland | Bad River Tribal School | ppb | 29.2 | 26.3 | 22.9 | 20.2 | 17.7 | 15 | 12.7 | 11 | 10.5 | 11.6 | 13.1 | 15.2 | 17.6 | 20.1 | 22.2 | 23.7 | 24.8 | 24.5 | 22.7 | 19.6 | 16.2 | 13 | 9.9 | 6.9 |
| Dodge | Horicon Wildlife Area | ppb | 25.8 | 25.6 | 25.3 | 25 | 24.5 | 23.8 | 23 | 22.4 | 21.9 | 22.4 | 23.5 | 24.7 | 26.2 | 27.6 | 29.3 | 31 | 32.3 | 32.5 | 32.3 | 31.8 | 31.4 | 30.6 | 29 | 27.5 |
| Forest | Potawatomi | ppb | 29.6 | 30.8 | 31.4 | 31.5 | 31.5 | 31.2 | 30.6 | 30.2 | 29.7 | 29.3 | 29.2 | 29.4 | 29.9 | 30.6 | 31.6 | 32.7 | 33.2 | 33.2 | 33.2 | 33 | 32.9 | 32.8 | 32.6 | 32 |
| Kenosha | Chiwaukee Prairie | ppb | 28.6 | 28.6 | 28 | 27.5 | 27.1 | 26.6 | 25.9 | 25.2 | 24.7 | 24.4 | 24.5 | 24.7 | 25.1 | 25.8 | 26.9 | 27.7 | 28.5 | |||||||
| Kenosha | Kenosha-Water Tower | ppb | 28.6 | 28.4 | 27.9 | 27.6 | 27.3 | 26.9 | 26.2 | 25.4 | 24.8 | 24.4 | 24 |
