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 | 27.9 | 29.2 | 31.8 | 33.6 | 34.4 | 34.9 | 35.2 | 35.5 | 35.6 | 35.6 | 35.8 | 36.1 | 36.5 | 37.3 | 38 | 38.7 | 39.3 | 39.8 | 40.1 | 40 | 38.4 | 35.5 | 31.7 | 27.7 |
| Dodge | Horicon Wildlife Area | ppb | 29.8 | 28.8 | 28 | 27.2 | 26.7 | 26 | 25.3 | 24.6 | 24.5 | 24.9 | 25.9 | 27.4 | 29.4 | 31.8 | 34.5 | 37.1 | 39.1 | 40.3 | 40.6 | 40.3 | 39.5 | 38.4 | 37.1 | 35.8 |
| Forest | Potawatomi | ppb | 35.8 | 35.8 | 35.6 | 35.5 | 35.3 | 35.3 | 35.4 | 35.5 | 35.7 | 36 | 36.7 | 37.7 | 38.8 | 40.1 | 41.2 | 42.3 | 43.3 | 44 | 44.5 | 44.6 | 44.6 | 44.3 | 43.8 | 43.3 |
| Kenosha | Chiwaukee Prairie | ppb | 12.8 | 11.7 | 11.5 | 11.4 | 11.7 | 11.9 | 12.4 | 13.7 | 15.7 | 18.1 | 20.9 | 23.6 | 26.3 | 29.2 | 32.1 | 33.7 | 34.4 | 34.3 | 33.3 | 31.5 | 28.7 | 26.4 | 23.2 | 20 |
| Kenosha | Kenosha-Water Tower | ppb | 16.7 | 13.6 | 10.5 | 8.4 | 7 | 6.7 | 6.7 | 6.3 | 7.2 | 9.8 | 13.6 | 18.1 | 22.8 | 27.5 | 31.8 | 35.1 | 36.8 | 36.8 | 36.1 | 34.3 | 32.3 | 30.7 | 27.8 | 25.6 |
