| Site | 2005 | 2006 | 2007 |
|---|---|---|---|
| Lyon Creek 190th St. & 35th Ave | 14 (Very Poor) | 16 (Very Poor) | 16 (Very Poor) |
| Lyon Creek near 182nd St. | 24 (Poor) | 20 (Poor) | 24 (Poor) |
| McAleer Creek at Animal Acres | 18 (Poor) | 28 (Fair) | 26 (Poor) |
| McAleer Creek 26th Ave & Perkins Way | 28 (Fair) | 28 (Fair | 26 (Poor) |