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 | 51.6 | 49.6 | 46.5 | 44.3 | 42.8 | 41.3 | 40 | 39 | 38.3 | 38 | 39 | 38.3 | 36.8 | 35.6 | 33.9 | 31.8 | 30.2 | 29 | 27.5 | 27.2 | 27 | 25.8 | 25.6 | 25.4 |
| Dodge | Horicon Wildlife Area | ppb | 46.8 | 44.8 | 42.7 | 40.6 | 38.3 | 36.2 | 34.4 | 32.9 | 32.1 | 32.3 | 33.2 | 34.9 | 37.1 | 39.8 | 42.9 | 45.9 | 48.2 | 49.4 | 49.6 | 49.1 | 48.3 | 47 | 45.4 | 43.6 |
| Forest | Potawatomi | ppb | 50 | 49.7 | 49.4 | 49.3 | 49.2 | 48.9 | 48.3 | 47.7 | 47.2 | 47.1 | 47.2 | 47.6 | 48.5 | 49.7 | 50.9 | 52.1 | 53.4 | 54.5 | 55 | 55.2 | 55.1 | 54.6 | 54.1 | 53.6 |
| Kenosha | Chiwaukee Prairie | ppb | 33.3 | 30 | 27.7 | 26.2 | 25.5 | 25.7 | 26.2 | 26.7 | 28.5 | 30.5 | 32 | 33.4 | 35.6 | 38 | 40.8 | 44.2 | 46.7 | 47.7 | 46 | 45.3 | 44.5 | 43.5 | 41.9 | 39.8 |
| Kenosha | Kenosha-Water Tower | ppb | 30.3 | 26.8 | 24.5 | 22.4 | 20.8 | 20.3 | 20.5 | 21.5 | 23.2 | 25.7 | 28.1 | 31.3 | 35.1 | 39.1 | 43.6 | 47.6 | 49.9 | 50.7 | 50.2 | 48.9 | 47 | 45.4 | 43.9 | 42.8 |