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Table 4. Organic compounds detected in fish-tissue samples, Yellowstone River Basin, 1998
[All concentrations in micrograms per kilograms wet weight, unless expressed otherwise; mm, millimeter; g, gram; <, less than; E, estimated concentration. Concentrations of total chlordane and total DDT are calculated values, and are listed as zero, if all of the respective compounds are less than the reporting limit. Total chlordane includes cis-chlordane, trans-chlordane, trans-nonachlor, and oxychlordane. Total DDT includes o,p´-DDD, p,p´-DDD, p,p´-DDE, and p,p´-DDT.]
Site number (fig. 1) Station name Fish species Number of fish insample Mean total length (mm) Mean weight (g) Percent of fish with anomalies Lipids (percent) Cis-chlordane Trans-chlordane Trans-nonachlor Oxychlordane Total chlordane
1 Yellowstone River at lake outlet cutthroat trout 5 418 641 40 6.3 5.3 <5 <5 <5 5.3
2 Soda Butte Creek at Park boundary cutthroat trout 7 270 244 0 6.2 <5 <5 <5 <5 0
3 Yellowstone River at Corwin Springs brown trout 5 392 657 40 6.0 <5 <5 <5 <5 0
4 West Fork Mill Creek cutthroat trout 7 210 134 0 6.3 <5 <5 <5 <5 0
5 Clarks Fork Yellowstone River white sucker 8 279 266 50 8.5 <5 <5 <7.7 <5 0
6 Yellowstone River at Billings white sucker 6 309 331 67 4.9 <5 <5 <5 <5 0
7 Arrow Creek near Worden white sucker 7 284 284 0 5.5 <5 <5 <5 <5 0
9 Wood River above Middle Fork Wood River brook trout 8 189 85 38 7.2 <5 <5 <5 <5 0
10 Bighorn River at Kane carp 5 484 1680 20 4.05 <5 5.1 <5 <5 5.1
11 Bighorn Lake at Highway 14A carp 5 449 1134 0 5.9 <5 <5 6.4 5.3 11.7
12 Crow Creek near Pahaska brook trout 7 191 71 0 4.2 <5 <5 <5 <5 0
13 Sage Creek near Lovell white sucker 6 261 186 0 1.3 <5 <5 <5 <5 0
14 Shoshone River at mouth carp 5 494 1498 20 4.95 5.2 <5 6.7 <47 11.9
15 Little Bighorn River at State line brown trout 8 284 243 0 4.6 <5 <5 <5 <5 0
16 Yellowstone River at Forsyth carp 8 509 1,919 0 7.5 <5 <5 <5 <5 0
17 Tongue River near Dayton brown trout 8 279 228 0 4.2 <5 <5 <5 <5 0
18 Goose Creek near Acme carp 5 600 3,180 80 4.8 <5 <5 5.9 <5 5.9
18 Goose Creek near Acme white sucker 8 327 395 38 6.1 <5 <5 5.4 <5 5.4
19 Tongue River at State line white sucker 5 379 630 20 7.9 <5 <5 <5 <5 0
21 Crazy Woman Creek white sucker 9 230 126 0 1.9 <5 <5 <5 <5 0
22 Little Powder River white sucker 5 288 253 20 2.4 <5 <5 <5 <5 0
24 Yellowstone River near Sidney carp 6 478 1,542 0 8.5 <5 <5 <5 <5 0
Table 4. Organic compounds detected in fish-tissue samples, Yellowstone River Basin, 1998--Continued
Site number (fig. 1) Station name Fish species o,p´-DDD p,p´-DDD p,p´-DDE p,p´-DDT Total DDT Dieldrin p,p´-Meth-
oxychlor
Pentchloranisol Total PCB Number of compounds detected
1 Yellowstone River at lake outlet cutthroat trout <12 6.9 51.3 6.3 64.5 <5 <5 <5 <50 4
2 Soda Butte Creek at park boundary cutthroat trout <5 <5 7.4 <5 7.4 <5 <5 <5 <50 1
3 Yellowstone River at Corwin Springs brown trout <5 <5 19 <5 19 <5 <5 <5 <50 1
4 West Fork Mill Creek cutthroat trout <5 <5 35 5.7 40.7 <5 <5 <5 <50 2
5 Clarks Fork Yellowstone River white sucker <5 5.4 24 <5 29.4 10 <5 5.E <50 4
6 Yellowstone River at Billings white sucker <5 <5 6.7 <5 6.7 <5 <5 <5 <50 1
7 Arrow Creek near Worden white sucker <5 5.7 7.8 <5 13.5 11 <5 <5 <50 3
9 Wood River above Middle Fork Wood River brook trout <5 <5 <5 <5 0 <5 <5 <5 <50 0
10 Bighorn River at Kane carp 6.6 <5 38.8 <5 45.4 8.8 8.4 <5 <50 5
11 Bighorn Lake at Highway 14A carp <5 7.2 43 <5 50.2 7.6 <5 <5 <50 5
12 Crow Creek near Pahaska brook trout <5 <5 <5 <5 0 <5 <5 <5 <50 0
13 Sage Creek near Lovell white sucker <5 <5 10 <5 10 <5 <5 <5 <50 1
14 Shoshone River at mouth carp <5 5.8 50.7 <5 56.5 16.7 6.2 <5 <50 6
15 Little Bighorn River at State line brown trout <5 <5 <5 <5 0 <5 <5 <5 <50 0
16 Yellowstone River at Forsyth carp <5 <5 17 <5 17 <5 <5 <5 <50 1
17 Tongue River near Dayton brown trout <5 <5 <5 <5 0 <5 <5 <5 <50 0
18 Goose Creek near Acme carp <5 8.6 58 <5 66.6 <5 <5 <5 190 4
18 Goose Creek near Acme white sucker <5 <5 13 <5 13 <5 <5 <5 50 3
19 Tongue River at State line white sucker <5 <5 11 <5 11 <5 <5 <5 56 2
21 Crazy Woman Creek white sucker <5 <5 <5 <5 0 <5 <5 <5 <50 0
22 Little Powder River white sucker <5 <5 <5 <5 0 <5 <5 <5 <50 0
24 Yellowstone River near Sidney carp <5 <5 13E <5 13E <5 <5 <5 <50 1

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