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 | 22.8 | 22.8 | 23.9 | 24.2 | 24.3 | 24.5 | 25 | 25.6 | 26.6 | 27.9 | 29.6 | 31.5 | 33.3 | 35 | 36.5 | 37.7 | 37.8 | 35.9 | 33.5 | 31.2 | 28.8 | 26.6 | 25.3 | 23.9 |
| Dodge | Horicon Wildlife Area | ppb | 25.9 | 24.6 | 23.4 | 21.9 | 20.7 | 19.4 | 18 | 17.3 | 17.1 | 17.5 | 18.8 | 20.7 | 23.2 | 26.8 | 30.6 | 34.2 | 36.9 | 38.7 | 39.5 | 39.7 | 39.1 | 38.1 | 37.1 | 34.9 |
| Forest | Potawatomi | ppb | 31 | 31 | 30.9 | 30.7 | 30.4 | 29.9 | 29.2 | 28.7 | 28.4 | 28.8 | 29.7 | 31.3 | 33 | 34.9 | 36.7 | 38.4 | 39.9 | 41 | 41.3 | 41.1 | 40.8 | 40.3 | 40.1 | 40 |
| Kenosha | Chiwaukee Prairie | ppb | 13.3 | 11.3 | 11 | 10.6 | 9.9 | 9.8 | 10.1 | 11.1 | 12.8 | 14.7 | 17.3 | 20.2 | 24.3 | 28.3 | 31.7 | 34.5 | 36.8 | 38.7 | 39.6 | 40.3 | 40.2 | 39.7 | 38.8 | 37.2 |
| Kenosha | Kenosha-Water Tower | ppb | 5.8 | 2.7 | 2.6 | 2.4 | 2.7 | 2.9 | 3 | 3.6 | 5.5 | 8.2 | 11.5 | 15.6 | 20.1 | 25 | 30.1 | 34.8 | 37.5 | 39.2 | 40 | 40.4 | 39.9 | 39.2 | 37.4 | 35.2 |