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 | 37.4 | 39.4 | 42.2 | 46 | 50.5 | 50.7 | 50 | 49.4 | 48.8 | 48.4 | 48 | 48 | 48.3 | 48.8 | 49.3 | 49.7 | 50.1 | 50.5 | 50.3 | 48.7 | 45.1 | 40.3 | 35.7 | 31.4 |
| Dodge | Horicon Wildlife Area | ppb | 48.2 | 46.8 | 45.5 | 44.9 | 43.9 | 43.2 | 42.6 | 42 | 42.3 | 43.1 | 44.7 | 45.1 | 45.9 | 46.6 | 47.4 | 48.4 | 48.5 | 48 | 46.9 | 46.1 | 45.1 | 43.6 | 42.1 | 39.9 |
| Forest | Potawatomi | ppb | 58.5 | 58.3 | 58.2 | 57.9 | 57.2 | 56.4 | 55.4 | 54.8 | 54.3 | 54 | 53.9 | 54 | 54.3 | 54.8 | 55.5 | 56.2 | 56.5 | 56.6 | 56.3 | 55.7 | 54.8 | 53.9 | 52.6 | 50.4 |
| Kenosha | Chiwaukee Prairie | ppb | 34.8 | 35 | 37.3 | 38.8 | 39.7 | 39.2 | 37.8 | 36.5 | 35.8 | 35.5 | 36 | 36.8 | 39 | 41 | 43.4 | 45.7 | 47 | 47.8 | 48.2 | 48.2 | 46.9 | 44.8 | 42.8 | 40.6 |
| Kenosha | Kenosha-Water Tower | ppb | 43 | 42.3 | 42.2 | 41.7 | 42.4 | 43.1 | 42.2 | 40.6 | 39.1 | 38.3 | 38.4 | 39.4 | 40.7 | 42.4 | 44.5 | 46.6 | 47.7 | 48 | 47.8 | 46.7 | 45.5 | 43.8 | 40.9 | 38.5 |