Table 8. Monthly and annual loads of selected constituents in runoff, 12000–2001
|
Constituent |
Runoff load, in pounds |
||||||||||||
|
Jan. |
Feb. |
Mar. |
Apr. |
May |
June |
July |
Aug. |
Sept. |
Oct. |
Nov. |
Dec. |
Annual |
|
|
2000 |
|||||||||||||
|
Moody Creek watershed |
|||||||||||||
|
Nitrite + nitrate nitrogen, dissolved |
0 |
0 |
875 |
0 |
0 |
0 |
0 |
0 |
0 |
57 |
150 |
2.2 |
1,080 |
|
Nitrogen, total |
0 |
0 |
4,320 |
0 |
0 |
0 |
0 |
0 |
0 |
202 |
740 |
11 |
5,270 |
|
Phosphorus, total |
0 |
0 |
484 |
0 |
0 |
0 |
0 |
0 |
0 |
22 |
83 |
1.2 |
590 |
|
Suspended solids |
0 |
0 |
268,000 |
0 |
0 |
0 |
0 |
0 |
0 |
6,270 |
46,000 |
666 |
321,000 |
|
Watershed 1 |
|||||||||||||
|
Nitrite + nitrate nitrogen, dissolved |
0 |
0 |
3.7 |
0 |
0 |
0 |
0 |
0 |
0 |
.72 |
1.2 |
0 |
5.6 |
|
Nitrogen, total |
0 |
0 |
30 |
0 |
0 |
0 |
0 |
0 |
0 |
3.8 |
9.3 |
0 |
43 |
|
Phosphorus, total |
0 |
0 |
3.0 |
0 |
0 |
0 |
0 |
0 |
0 |
.59 |
.96 |
0 |
4.6 |
|
Suspended solids |
0 |
0 |
1,750 |
0 |
0 |
0 |
0 |
0 |
0 |
422 |
550 |
0 |
2,720 |
|
Watershed 2 |
|||||||||||||
|
Nitrite + nitrate nitrogen, dissolved |
0 |
0 |
2.5 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
.26 |
0 |
2.8 |
|
Nitrogen, total |
0 |
0 |
20 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2.1 |
0 |
22 |
|
Phosphorus, total |
0 |
0 |
2.1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
.21 |
0 |
2.3 |
|
Suspended solids |
0 |
0 |
1,180 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
122 |
0 |
1,300 |
|
2001 |
|||||||||||||
|
Moody Creek watershed |
|||||||||||||
|
Nitrite + nitrate nitrogen, dissolved |
404 |
0 |
0 |
0 |
0 |
0 |
0 |
399 |
223 |
0 |
394 |
0 |
1,420 |
|
Nitrogen, total |
1,660 |
0 |
0 |
0 |
0 |
0 |
0 |
4,170 |
2,330 |
0 |
2,470 |
0 |
10,600 |
|
Phosphorus, total |
132 |
0 |
0 |
0 |
0 |
0 |
0 |
687 |
384 |
0 |
284 |
0 |
1,490 |
|
Suspended solids |
100,000 |
0 |
0 |
0 |
0 |
0 |
0 |
984,000 |
549,000 |
0 |
157,000 |
0 |
1,790,000 |
|
Watershed 1 |
|||||||||||||
|
Nitrite + nitrate nitrogen, dissolved |
.24 |
0 |
0 |
0 |
0 |
0 |
0 |
.81 |
1.9 |
0 |
.54 |
0 |
3.5 |
|
Nitrogen, total |
7.4 |
0 |
0 |
0 |
0 |
0 |
0 |
5.5 |
13.6 |
0 |
5.1 |
0 |
32 |
|
Phosphorus, total |
.42 |
0 |
0 |
0 |
0 |
0 |
0 |
.51 |
1.2 |
0 |
.29 |
0 |
2.4 |
|
Suspended solids |
78 |
0 |
0 |
0 |
0 |
0 |
0 |
108 |
264 |
0 |
108 |
0 |
558 |
|
Watershed 2 |
|||||||||||||
|
Nitrite + nitrate nitrogen, dissolved |
.33 |
0 |
0 |
0 |
0 |
0 |
0 |
.70 |
4.3 |
0 |
2.2 |
0 |
7.5 |
|
Nitrogen, total |
2.6 |
0 |
0 |
0 |
0 |
0 |
0 |
11 |
69 |
0 |
9.3 |
0 |
92 |
|
Phosphorus, total |
.28 |
0 |
0 |
0 |
0 |
0 |
0 |
1.3 |
8.5 |
0 |
1.2 |
0 |
11 |
|
Suspended solids |
163 |
0 |
0 |
0 |
0 |
0 |
0 |
2,600 |
17,200 |
0 |
835 |
0 |
20,800 |
1 Sums of monthly loads might not equal annual loads because
of rounding.