SPARROW HUC8 (0)
SPARROW N 1992 HUC8 (1)
| 9 - 107 |
| 108 - 177 |
| 178 - 299 |
| 300 - 438 |
| 439 - 622 |
| 623 - 788 |
| 789 - 1045 |
| 1046 - 1385 |
| 1386 - 1889 |
| 1900 - 6900 |
SPARROW Delivered N 1992 HUC8 (2)
| 0 - 1.9 |
| 2.0 - 14 |
| 15 - 38 |
| 39 - 155 |
| 156 - 336 |
| 337 - 487 |
| 488 - 663 |
| 664 - 885 |
| 886 - 1,270 |
| 1,271 - 5,540 |
SPARROW P 1992 HUC8 (3)
| 4 - 27 |
| 28 - 36 |
| 37 - 48 |
| 49 - 61 |
| 62 - 81 |
| 82 - 100 |
| 101 - 117 |
| 118 - 138 |
| 139 - 165 |
| 166 - 858 |
SPARROW Delivered P 1992 HUC8 (4)
| 0 - 0.04 |
| 0.05 - 0.30 |
| 0.31 - 2.21 |
| 2.22 - 9.11 |
| 9.12 - 20.6 |
| 20.7 - 38.3 |
| 38.4 - 63.6 |
| 63.7 - 88.6 |
| 88.7 - 119 |
| 120 - 540 |
SPARROW N 2002 MRB (5)
SPARROW P 2002 MRB (6)
SPARROW Major River Basins Total Nitrogen (7)
| < 500 |
| 500 - 1,000 |
| 1,000 - 1,500 |
| 1,500 - 2,000 |
| > 2,000 |
SPARROW Major River Basins Total Phosphorus (8)
| < 50 |
| 50 - 100 |
| 100 - 150 |
| 150 - 200 |
| > 200 |
|