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 | 26.5 | 22.6 | 19.1 | 15.7 | 12.6 | 9.7 | 8.9 | 7.4 | 9.1 | 11.3 | 14.1 | 17.6 | 21.3 | 24.8 | 28.4 | 31.1 | 33 | 33.5 | 31.8 | 30.2 | 29.4 | 28.8 | 28.3 | 28 |
| Dodge | Horicon Wildlife Area | ppb | 29.3 | 28.5 | 28.2 | 27.8 | 27.1 | 26 | 25.1 | 24.4 | 24 | 24.2 | 24.9 | 26.1 | 27.6 | 29.4 | 31.6 | 33.6 | 35.3 | 36.1 | 36 | 35.6 | 34.6 | 33.6 | 32.5 | 31.1 |
| Forest | Potawatomi | ppb | 36.8 | 36 | 35.2 | 34.3 | 33.5 | 32.7 | 31.9 | 31.3 | 30.9 | 30.8 | 31.1 | 31.5 | 32.3 | 33.3 | 34.4 | 35.5 | 36.3 | 36.9 | 37.1 | 37.1 | 37 | 36.7 | 36.4 | 36 |
| Kenosha | Chiwaukee Prairie | ppb | 27 | 26.6 | 27 | 26.7 | 26.2 | 26 | 25.8 | 25.8 | 26 | 26.7 | 27.7 | 28.9 | 30.4 | 32 | 33.7 | 35.4 | 36.8 | 35.4 | 32.8 | 30 | 26.8 | 23.3 | 19.5 | 16.1 |
| Kenosha | Kenosha-Water Tower | ppb | 26.2 | 25.9 | 25.6 | 25.2 | 25 | 24.6 | 24.2 | 23.9 | 24.1 | 24.9 | 26.2 | 27.6 | 29.3 | 31.3 | 33.5 | 35.4 | 36.7 | 37.2 | 36.6 | 34.6 | 31.5 | 27.4 | 23 | 19.8 |