Table 1.
Station IDs, station locations, and environmental parameters at the time of sampling.
| Sampling date | USGS station ID | Station name | Water temperature (°C) | Discharge m3 s− 1 | Dissolved oxygen (mg L− 1) | pH water | Specific conductance (μS cm− 1) |
|---|---|---|---|---|---|---|---|
| 8/09/2011 | 5451110 | SF400 | 27 | 0.096 | 8.8 | 7.9 | 607 |
| 5451140 | TC313 | 26.6 | 0.057 | 13.4 | 8 | 677 | |
| 5451148 | TC323 | 22.4 | 0.184 | 8.5 | 7.9 | 563 | |
| 5451210 | SF450 | 22.4 | 0.623 | 7.9 | 8 | 539 | |
| 5451260 | BC350 | 23.8 | 0.224 | 11.2 | 7.8 | 546 | |
| 8/10/2011 | 5471009 | WC | 15.8 | 0.003 | 8.4 | 7.9 | 801 |
| 11/03/2011 | 5451110 | SF400 | 6.3 | 0.113 | 7.6 | 7.4 | 580 |
| 5451140 | TC313 | 7.9 | 0.014 | 15.1 | 7.8 | 661 | |
| 5451148 | TC323 | 6.2 | 0.108 | 13.1 | 7.8 | 580 | |
| 5451210 | SF450 | 5.6 | 0.190 | 10.6 | 7.3 | 547 | |
| 5451260 | BC350 | 5 | 0.099 | 10.4 | 6.7 | 510 | |
| 3/07/2012 | 5451110 | SF400 | 2.6 | 0.663 | 13 | 7.7 | 582 |
| 5451140 | TC313 | 10.2 | 0.283 | 14 | 7.8 | 615 | |
| 5451148 | TC323 | 7.6 | 0.496 | 13.2 | 7.9 | 648 | |
| 5451210 | SF450 | 6.6 | 1.133 | 11.5 | 7.6 | 581 | |
| 5451260 | BC350 | 7.9 | 0.357 | 12.8 | 7.8 | 587 | |
| 3/08/2012 | 5471009 | WC | 5.3 | 0.011 | 14.8 | 8 | 730 |
| 4/15/2012 | 5451110 | SF400 | 17.2 | 0.906 | 9.9 | 8 | 719 |
| 5451140 | TC313 | 16.6 | 0.736 | 12.6 | 8 | 683 | |
| 5451148 | TC323 | 15.3 | 1.218 | 10.6 | 8 | 609 | |
| 5451210 | SF450 | 13.7 | 2.633 | 8.7 | 7.6 | 532 | |
| 5451260 | BC350 | 13.5 | 1.586 | 9.2 | 7.7 | 604 |
SF400-South Fork River near Buckeye, Iowa; TC313- Tipton Creek near D Avenue in Buckeye, Iowa; TC323-Tipton Creek East in Hubbard, Iowa; SF450-South Fork Iowa River NE near New Providence, Iowa; BC350- Beaver Creek near 250th Street in Eldora, Iowa; and WC- Walnut Creek near 510th Avenue in Ames, Iowa. Water samples were not collected at Walnut Creek for the November 2011 sampling because of a dry streambed or for the April 2012 sampling due to sampling logistics.