Back to Summary

Data Anomalies at USGS Site 01651000
April 2004
NW Branch Anacostia River near Hyattsville, MD

State standards:   Temperature <= 32.2°C   Turbidity <= 150 NTU   6.5 <= pH <=8.5

Parameter Date Value
pH 2004-04-09 16:00 8.56
pH 2004-04-09 16:15 8.6
pH 2004-04-09 16:30 8.6
pH 2004-04-09 16:45 8.6
pH 2004-04-09 17:00 8.66
pH 2004-04-09 17:15 8.7
pH 2004-04-09 17:30 8.7
pH 2004-04-09 17:45 8.7
pH 2004-04-09 18:00 8.7
pH 2004-04-09 18:15 8.7
pH 2004-04-09 18:30 8.7
pH 2004-04-09 18:45 8.7
pH 2004-04-09 19:00 8.7
pH 2004-04-09 19:15 8.64
pH 2004-04-09 19:30 8.6
pH 2004-04-09 19:45 8.6
pH 2004-04-09 20:00 8.54
pH 2004-04-10 16:45 8.56
pH 2004-04-10 17:00 8.6
pH 2004-04-10 17:15 8.6
pH 2004-04-10 17:30 8.6
pH 2004-04-10 17:45 8.6
pH 2004-04-10 18:00 8.6
pH 2004-04-10 18:15 8.54
pH 2004-04-10 18:30 8.56
pH 2004-04-10 18:45 8.54
Turbidity 2004-04-12 22:30 158
Turbidity 2004-04-12 22:45 192
Turbidity 2004-04-12 23:00 192
Turbidity 2004-04-12 23:15 190
Turbidity 2004-04-12 23:30 190
Turbidity 2004-04-12 23:45 198
Turbidity 2004-04-12 24:00 190
Turbidity 2004-04-13 00:15 181.6667
Turbidity 2004-04-13 00:30 204
Turbidity 2004-04-13 00:45 170
Turbidity 2004-04-13 01:00 168
Turbidity 2004-04-13 01:15 182
Turbidity 2004-04-13 01:30 197
Turbidity 2004-04-13 01:45 212
Turbidity 2004-04-13 02:00 227
Turbidity 2004-04-13 02:15 246
Turbidity 2004-04-13 02:30 290
Turbidity 2004-04-13 02:45 364
Turbidity 2004-04-13 03:00 340
Turbidity 2004-04-13 03:15 290
Turbidity 2004-04-13 03:30 280
Turbidity 2004-04-13 03:45 264
Turbidity 2004-04-13 04:00 268
Turbidity 2004-04-13 04:15 278
Turbidity 2004-04-13 04:30 272
Turbidity 2004-04-13 04:45 254
Turbidity 2004-04-13 05:00 250
Turbidity 2004-04-13 05:15 258
Turbidity 2004-04-13 05:30 252
Turbidity 2004-04-13 05:45 250
Turbidity 2004-04-13 06:00 252.6667
Turbidity 2004-04-13 06:15 256
Turbidity 2004-04-13 06:30 259.3333
Turbidity 2004-04-13 06:45 292
Turbidity 2004-04-13 07:00 292
Turbidity 2004-04-13 07:15 282
Turbidity 2004-04-13 07:30 282.6667
Turbidity 2004-04-13 07:45 286
Turbidity 2004-04-13 08:00 289.3333
Turbidity 2004-04-13 08:15 266
Turbidity 2004-04-13 08:30 264
Turbidity 2004-04-13 08:45 269
Turbidity 2004-04-13 09:00 262
Turbidity 2004-04-13 09:15 292
Turbidity 2004-04-13 09:30 250
Turbidity 2004-04-13 09:45 260
Turbidity 2004-04-13 10:00 230
Turbidity 2004-04-13 10:15 260
Turbidity 2004-04-13 10:30 250
Turbidity 2004-04-13 10:45 240
Turbidity 2004-04-13 11:00 230
Turbidity 2004-04-13 11:15 230
Turbidity 2004-04-13 11:30 210
Turbidity 2004-04-13 11:45 210
Turbidity 2004-04-13 12:00 180
Turbidity 2004-04-13 12:15 190
Turbidity 2004-04-13 12:30 180
Turbidity 2004-04-13 12:45 180
Turbidity 2004-04-13 13:00 173.3333
Turbidity 2004-04-13 13:15 166.6667
Turbidity 2004-04-13 13:30 160
Turbidity 2004-04-13 13:45 160
Turbidity 2004-04-13 14:00 160
Turbidity 2004-04-13 21:30 160
Turbidity 2004-04-13 21:45 160
Turbidity 2004-04-13 22:00 180
Turbidity 2004-04-13 22:15 200
Turbidity 2004-04-13 22:30 180
Turbidity 2004-04-13 22:45 190
pH 2004-04-18 14:30 8.6
pH 2004-04-18 14:45 8.6
pH 2004-04-18 15:00 8.6
pH 2004-04-18 15:15 8.7
pH 2004-04-18 15:30 8.7
pH 2004-04-18 15:45 8.7
pH 2004-04-18 16:00 8.7
pH 2004-04-18 16:15 8.8
pH 2004-04-18 16:30 8.8
pH 2004-04-18 16:45 8.8
pH 2004-04-18 17:00 8.8
pH 2004-04-18 17:15 8.8
pH 2004-04-18 17:30 8.8
pH 2004-04-18 17:45 8.8
pH 2004-04-18 18:00 8.8
pH 2004-04-18 18:15 8.8
pH 2004-04-18 18:30 8.7
pH 2004-04-18 18:45 8.7
pH 2004-04-18 19:00 8.7
pH 2004-04-18 19:15 8.6
pH 2004-04-19 14:15 8.6
pH 2004-04-19 14:30 8.6
pH 2004-04-19 14:45 8.7
pH 2004-04-19 15:00 8.7
pH 2004-04-19 15:15 8.7
pH 2004-04-19 15:30 8.8
pH 2004-04-19 15:45 8.8
pH 2004-04-19 16:00 8.8
pH 2004-04-19 16:15 8.8
pH 2004-04-19 16:30 8.8
pH 2004-04-19 16:45 8.8
pH 2004-04-19 17:00 8.8
pH 2004-04-19 17:15 8.8
pH 2004-04-19 17:30 8.8
pH 2004-04-19 17:45 8.8
pH 2004-04-19 18:00 8.8
pH 2004-04-19 18:15 8.7
pH 2004-04-19 18:30 8.7
pH 2004-04-19 18:45 8.6
pH 2004-04-19 19:00 8.6
pH 2004-04-20 14:15 8.6
pH 2004-04-20 14:30 8.6
pH 2004-04-20 14:45 8.6
pH 2004-04-20 15:00 8.7
pH 2004-04-20 15:15 8.7
pH 2004-04-20 15:30 8.7
pH 2004-04-20 15:45 8.7
pH 2004-04-20 16:00 8.8
pH 2004-04-20 16:15 8.8
pH 2004-04-20 16:30 8.8
pH 2004-04-20 16:45 8.8
pH 2004-04-20 17:00 8.8
pH 2004-04-20 17:15 8.8
pH 2004-04-20 17:30 8.8
pH 2004-04-20 17:45 8.8
pH 2004-04-20 18:00 8.7
pH 2004-04-20 18:15 8.7
pH 2004-04-20 18:30 8.6
pH 2004-04-20 18:45 8.6
Turbidity 2004-04-23 19:00 260
Turbidity 2004-04-23 19:15 270
Turbidity 2004-04-23 19:30 240
Turbidity 2004-04-23 19:45 200
Turbidity 2004-04-23 20:15 160