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 | ppb | 48.1 | 47.7 | 47.2 | 46.8 | 46.3 | 46.1 | 47 | 47 | 47.1 | 47.2 | 47.5 | 47.6 | 47.5 | 47.4 | 47.2 | 46.6 | 46.1 | 45.7 | 45.4 | 45 | 44.7 | 44.4 | 44 | 42.7 |
| Dodge | Horicon | ppb | 46.9 | 46.7 | 46.7 | 46.7 | 46.6 | 46.3 | 46.1 | 45.7 | 45.3 | 44.3 | 43.2 | 42.3 | 42.1 | 41.5 | 41 | 40.6 | 39.9 | 39.2 | 38.2 | 37.2 | 36.7 | 36.2 | 35.8 | 35.6 |
| Kenosha | Chiwaukee Prairie | ppb | 51.3 | 50.9 | 50.4 | 49.6 | 49.2 | 48 | 46.5 | 44.9 | 43.2 | 41.6 | 40.2 | 38.9 | 38.6 | 38.2 | 38.5 | 39.2 | 39.9 | 40.3 | 40.2 | 40 | 40.3 | 40.4 | 39.8 | 39.3 |
| Kenosha | Kenosha | ppb | 49.3 | 49.1 | 48.7 | 48 | 47.7 | 46.5 | 44.8 | 43 | 41.1 | 39.2 | 37.6 | 36.1 | 36.1 | 35.7 | 36 | 36.8 | 37.6 | 38.1 | 38.2 | 38.1 | 37.9 | 38.1 | 37.7 | 37.3 |