for Rivers and Streams
# |
||
1 |
TURBIDITY |
124.49 |
2 |
COPPER |
118.77 |
3 |
ZINC |
84.60 |
4 |
TOTAL COLIFORM |
61.62 |
5 |
CADMIUM |
36.67 |
6 |
IMPAIRMENT UNKNOWN |
28.53 |
7 |
PH |
18.32 |
8 |
SILVER |
17.38 |
9 |
NITRATES |
15.49 |
10 |
BERYLLIUM |
10.00 |
for Rivers and Streams
# |
||
1 |
SOURCE UNKNOWN |
145.30 |
2 |
MINE TAILINGS |
122.45 |
3 |
IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) |
90.11 |
4 |
SOURCES OUTSIDE STATE JURISDICTION OR BORDERS |
71.73 |
5 |
OTHER RECREATIONAL POLLUTION SOURCES |
53.59 |
6 |
RANGELAND (UNMANAGED PASTURE) GRAZING |
51.38 |
7 |
MILL TAILINGS |
28.94 |
8 |
SUBSURFACE (HARDROCK) MININING |
28.94 |
9 |
MUNICIPAL POINT SOURCE DISCHARGES |
27.70 |
10 |
CERCLA NPL (SUPERFUND) SITES |
15.49 |
Source: National Assessment Database
Environmental Protection Agency