Scientific Investigations Report 2007–5186
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5186
Table 20. Flow-adjusted trends in concentration, non-flow-adjusted trends in concentration, and trends in annual loads for total phosphorus in the Columbia River and Puget Sound basins, water years 1993–2003.
[Sites can be located in figure 1 by the Map index No. Bold values indicate trends significant at a less than or equal to 0.05 p-level. Abbreviations: FATC, flow-adjusted trends in concentration; NFATC, non-flow-adjusted trends in concentration]
| Map index No. | Site No. | Water quality | FATC | NFATC | Load trend | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start date | End date | Number of observations | Number of observations below reporting limit | Percent per year | Milligrams per liter per year | Percent per year | Milligrams per liter per year | Percent per year | Kilograms per day per year | |||||
| 4 | 10386 | 10-20-92 | 08-12-03 | 57 | 0 | -1.27 | -0.000 | -1.42 | -0.000 | -2.09 | -4.99 | |||
| 7 | 10355 | 10-20-92 | 08-12-03 | 130 | 0 | -.244 | -.000 | -.457 | -.000 | -1.43 | -14.9 | |||
| 8 | 11140 | 10-20-92 | 08-12-03 | 56 | 0 | -2.01 | -.002 | -1.99 | -.002 | -3.85 | -2.46 | |||
| 10 | 10508 | 11-01-93 | 09-22-03 | 69 | 0 | 1.13 | .001 | 1.17 | .001 | 1.39 | 2.12 | |||
| 11 | 10350 | 10-21-92 | 08-12-03 | 129 | 0 | -1.74 | -.001 | -1.86 | -.001 | -2.97 | -63.2 | |||
| 13 | 11478 | 10-14-92 | 09-03-03 | 64 | 0 | -1.76 | -.001 | -3.01 | -.001 | -5.82 | -6.91 | |||
| 14 | 10555 | 10-21-92 | 08-12-03 | 129 | 0 | -1.72 | -.001 | -1.90 | -.001 | -2.99 | -87.1 | |||
| 15 | 14200400 | 10-14-93 | 09-03-03 | 99 | 19 | 6.36 | .001 | 6.01 | .001 | 2.92 | .019 | |||
| 16 | 14201300 | 10-04-93 | 09-03-03 | 129 | 0 | -1.31 | -.004 | -2.16 | -.006 | -5.75 | -.264 | |||
| 19 | 3701002 | 10-05-92 | 09-29-03 | 423 | 0 | -2.92 | -.005 | -2.91 | -.005 | -2.75 | -8.79 | |||
| 23 | 11321 | 10-28-92 | 08-11-03 | 57 | 0 | -.726 | -.001 | -.958 | -.001 | -2.84 | -.341 | |||
| 25 | 3701612 | 10-01-92 | 09-29-03 | 449 | 92 | -3.81 | -.001 | -3.72 | -.001 | -2.96 | -.689 | |||
| 31 | 10611 | 10-21-92 | 08-11-03 | 133 | 0 | -2.12 | -.002 | -2.00 | -.002 | -3.08 | -166 | |||
| 33 | 14211720 | 11-16-92 | 09-10-03 | 145 | 0 | 1.24 | .001 | 1.28 | .001 | -.284 | -11.3 | |||
| 37 | 10332 | 10-21-92 | 08-06-03 | 57 | 0 | -.704 | -.000 | -.680 | -.000 | -1.95 | -89.9 | |||
| 39 | 10411 | 10-26-92 | 08-18-03 | 64 | 0 | -.823 | -.001 | -.823 | -.001 | -.806 | -8.84 | |||
| 40 | 10616 | 10-21-92 | 08-06-03 | 57 | 0 | -2.03 | -.001 | -2.30 | -.001 | -2.79 | -471 | |||
| 42 | 12012 | 06-21-93 | 08-18-03 | 60 | 0 | 3.988 | .001 | 3.71 | .001 | 3.12 | 2.08 | |||
| 43 | 11489 | 10-26-92 | 08-18-03 | 75 | 0 | -3.41 | -.004 | -3.12 | -.003 | -1.82 | -.940 | |||
| 44 | 14246900 | 11-19-92 | 09-08-03 | 118 | 6 | 1.37 | .000 | .725 | .000 | -.524 | -93.0 | |||
| 46 | 32A070 | 10-05-92 | 09-10-03 | 128 | 0 | -.381 | -.000 | -.409 | -.000 | -.766 | -.545 | |||
| 48 | 37A090 | 10-12-92 | 09-10-03 | 130 | 0 | .280 | .000 | .347 | .000 | 1.39 | 8.98 | |||
| 51 | 12472900 | 11-17-92 | 09-25-03 | 70 | 38 | 11.17 | .001 | 10.9 | .001 | 10.1 | 151 | |||
| 52 | 13351000 | 12-21-92 | 09-03-03 | 164 | 0 | -5.08 | -.010 | -4.83 | -.009 | -3.74 | -3.80 | |||
| 53 | 34A070 | 10-06-92 | 09-09-03 | 126 | 0 | -1.22 | -.001 | -1.34 | -.001 | .586 | .246 | |||
| 54 | 41A070 | 10-12-93 | 09-10-03 | 116 | 0 | -1.34 | -.001 | -.672 | -.000 | -3.42 | -1.67 | |||
| 56 | 13A060 | 10-26-92 | 09-22-03 | 120 | 1 | 7.87 | .001 | 7.70 | .001 | 7.01 | .829 | |||
| 57 | 10A070 | 10-27-92 | 09-24-03 | 130 | 3 | 7.30 | .003 | 8.01 | .003 | 9.76 | 22.3 | |||
| 61 | 16A070 | 10-28-92 | 09-23-03 | 130 | 25 | 9.61 | .001 | 10.3 | .001 | 12.5 | 1.98 | |||
| 63 | 09A190 | 10-19-92 | 09-24-03 | 131 | 34 | 23.2 | .001 | 22.3 | .001 | 18.3 | 1.35 | |||
| 64 | 45A070 | 10-12-92 | 09-08-03 | 127 | 34 | 4.90 | .000 | 4.82 | .000 | 4.21 | .745 | |||
| 66 | 09A080 | 10-21-92 | 09-24-03 | 128 | 1 | 1.76 | .000 | 1.70 | .000 | .474 | .277 | |||
| 70 | 45A110 | 10-12-92 | 09-08-03 | 126 | 50 | 1.24 | .000 | 1.13 | .000 | .675 | .138 | |||
| 71 | 16C090 | 10-25-93 | 09-23-03 | 115 | 65 | 1.06 | .000 | .939 | .000 | .527 | .016 | |||
| 73 | 54A120 | 10-06-92 | 09-08-03 | 130 | 8 | 3.65 | .001 | 3.85 | .001 | 3.00 | 5.85 | |||
| 74 | 07D050 | 10-19-92 | 09-22-03 | 119 | 19 | 4.86 | .001 | 4.69 | .001 | 4.06 | 2.89 | |||
| 75 | 07C070 | 10-19-92 | 09-22-03 | 117 | 48 | -.050 | -.000 | .177 | .000 | 1.11 | .436 | |||
| 76 | 07A090 | 10-19-92 | 09-22-03 | 131 | 27 | 2.41 | .000 | 2.38 | .000 | 2.27 | 3.47 | |||
| 77 | 53A070 | 10-14-92 | 09-08-03 | 119 | 56 | -1.19 | -.000 | -1.19 | -.000 | -1.20 | -27.9 | |||
| 78 | 48A070 | 10-13-92 | 09-09-03 | 129 | 53 | 9.12 | .000 | 8.74 | .000 | 5.89 | .371 | |||
| 79 | 49A070 | 10-13-92 | 09-09-03 | 126 | 9 | 1.48 | .000 | -.196 | -.000 | -3.58 | -3.54 | |||
| 80 | 48A140 | 10-13-92 | 09-09-03 | 118 | 53 | 13.9 | .000 | 13.3 | .000 | 9.50 | .422 | |||
| 81 | 03A060 | 10-21-92 | 09-22-03 | 130 | 24 | .508 | .000 | 0.552 | .000 | .612 | 3.17 | |||
| 84 | 01A050 | 10-20-92 | 09-23-03 | 128 | 3 | 3.46 | .001 | 3.99 | .001 | 4.75 | 7.25 | |||
| 87 | 61A070 | 10-07-92 | 09-07-03 | 132 | 69 | -3.07 | -.000 | -3.04 | -.000 | -2.92 | -73.5 | |||
| 89 | 13092747 | 10-14-93 | 09-23-03 | 106 | 0 | -.158 | -.000 | -1.44 | -.001 | -5.38 | -1.46 | |||
| 91 | 13154500 | 11-04-92 | 09-24-03 | 136 | 0 | -1.21 | -.001 | -.804 | -.001 | -2.50 | -44.0 | |||
| 93 | 13206000 | 11-02-92 | 09-16-03 | 93 | 1 | 3.34 | .003 | 3.40 | .003 | 3.32 | 4.71 | |||
| 97 | 12413470 | 11-18-92 | 09-08-03 | 117 | 8 | 8.61 | .001 | 8.75 | .001 | 8.32 | .719 | |||
| 99 | 12419000 | 10-07-92 | 09-03-03 | 112 | 22 | -3.42 | -.000 | -3.30 | -.000 | -4.04 | -4.36 | |||
U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/sir/2007/5186
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