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 | 21.6 | 21.6 | 21.3 | 18.7 | 16.7 | 15.1 | 13.1 | 10.6 | 10.6 | 11.1 | 11.8 | 14.5 | 17.5 | 21.1 | 24.8 | 28.3 | 28.8 | 27.7 | 26 | 24.3 | 21.8 | 19 | 16.6 | 14.1 |
| Dodge | Horicon Wildlife Area | ppb | 18.7 | 19.6 | 20.3 | 21 | 21.5 | 21.8 | 21.7 | 21.4 | 21.2 | 21.3 | 21.7 | 23 | 24.7 | 26.5 | 28.5 | 30.3 | 31.9 | 32.4 | 32.5 | 31.7 | 30.6 | 29.3 | 26.8 | 24.8 |
| Forest | Potawatomi | ppb | 31.8 | 29.1 | 26.7 | 24.5 | 22.5 | 20.9 | 19.9 | 18.7 | 19 | 20.8 | 22.4 | 23.9 | 25.3 | 26.7 | 27.6 | 28.9 | 29.9 | 30.3 | 30.3 | 30.2 | 30 | 29.8 | 29.3 | 28.6 |
| Kenosha | Chiwaukee Prairie | ppb | 16 | 17.4 | 19.2 | 20.8 | 22.2 | 23.1 | 23.5 | 23.9 | 24.4 | 24.7 | 24.3 | 23.9 | 23.8 | 24.3 | 25.6 | 27.4 | 28.7 | 28 | 26.3 | 24 | 21.8 | 20.2 | 18.2 | 16 |
| Kenosha | Kenosha-Water Tower | ppb | 15.6 | 17.3 | 18.7 | 20.1 | 21.8 | 22.7 | 23.2 | 23.5 | 23.9 | 24 | 23.4 | 23 | 22.8 | 23.3 | 24.8 | 26.6 | 27.9 | 27.7 | 26.4 | 23.6 | 20.6 | 18 | 14.9 | 12 |
| Sauk | Devils Lake | ppb | 20.6 | 21.2 | 21.9 | 22.6 | 23.5 | 24.1 | 24.3 | 24 | 23.6 | 23.1 | 23.2 | 23.6 | 24.3 | 24.5 | 24.8 |