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 | 31 | 28.9 | 28 | 27.5 | 27.1 | 26.3 | 25.3 | 24.5 | 24.8 | 25.3 | 25.4 | 25.5 | 25.8 | 26.4 | 27.2 | 28.3 | 29.1 | 29.3 | 29.1 | 28.7 | 28.2 | 27.4 | 26.8 | 26.5 |
| Dodge | Horicon Wildlife Area | ppb | 41 | 39.7 | 38.8 | 38.6 | 38.7 | 38.9 | 39.1 | 39.2 | 39.4 | 40 | 40.4 | 40.5 | 40.5 | 40.6 | 40.8 | 41.1 | 41.4 | 41.1 | 40.4 | 38.9 | 37.5 | 35.3 | 32.9 | 30.7 |
| Forest | Potawatomi | ppb | 44.7 | 43.6 | 42.6 | 41.6 | 40.6 | 39.7 | 38.9 | 38.3 | 38.1 | 38.4 | 38.8 | 39.3 | 39.8 | 40.4 | 38.8 | 36.6 | 34.2 | 32 | 30.1 | 28.1 | 26.1 | 24.2 | 24.3 | 24.8 |
| Kenosha | Chiwaukee Prairie | ppb | 45.6 | 45.2 | 44.9 | 44.4 | 43.3 | 41.7 | 39.9 | 38.2 | 36.7 | 35.5 | 34.7 | 34.9 | 35.9 | 37.7 | 39.7 | 41.8 | 43.4 | 44.5 | 45.4 | 45.6 | 45.3 | 45 | 44.5 | 43.8 |
| Kenosha | Kenosha-Water Tower | ppb | 45.1 | 44.6 | 44.4 | 43.9 | 42.8 | 41.4 | 39.6 | 37.6 | 36.1 | 34.8 | 33.9 | 34 | 34.9 | 36.4 | 38.4 | 40.3 | 42.1 | 43.1 | 43.9 | 44.5 | 44.6 | 44.7 | 44.7 | 44.9 |
