TABLE 1.
Sources of Data Used to Estimate Calibration Stream Loads for the SPARROW Models Developed for the United States Pacific Northwest
| Water-Quality Sites | Streamflow Sites | ||||||
|---|---|---|---|---|---|---|---|
| Level | Agency | Number | Location | Number | Level | Agency | Number |
| Federal | U.S. Geological Survey | 87 | Washington | 86 | Federal | U.S. Geological Survey | 206 |
| Bureau of Reclamation | 19 | Oregon | 73 | Bureau of Reclamation | 16 | ||
| U.S. Environmental Protection Agency | 4 | Idaho | 56 | State | Oregon Water Resources Department | 2 | |
| State | Oregon Department of Environmental Quality | 60 | Montana | 10 | Local | King County, Washington | 6 |
| Washington Department of Ecology | 53 | Wyoming | 4 | Total | 230 | ||
| Nevada Department of Environmental Quality | 1 | Nevada | 1 | ||||
| Local | King County, Washington | 4 | Total | 230 | |||
| Lincoln County Conservation District, Washington | 1 | ||||||
| Snohomish County, Washington | 1 | ||||||
| Total | 230 | ||||||
Note: SPARROW, SPAtially Referenced Regressions On Watershed attributes.