| Water quality data collected by MPWMD during WY1998 at Sleepy Hollow Weir (SHW) station. | |||||||
| Date | Time | Temperature | Dissolved Oxygen | Carbon Dioxide | pH | Conductivity | Turbidity |
| (24 hr) | (F) | (mg/L) | (mg/L) | (uS/cm) | |||
| 1-Oct-97 | 10:25 | 65.0 | 9.0 | 5.0 | 8.0 | 365 | none |
| 15-Oct-97 | 10:20 | 59.0 | 10.0 | 5.0 | 8.0 | 370 | none |
| 31-Oct-97 | 12:10 | 60.5 | 10.0 | 5.0 | 8.0 | 410 | none |
| 17-Nov-97 | 13:00 | 56.0 | 9.0 | 5.0 | 8.0 | 400 | slight |
| 2-Dec-97 | 11:45 | 51.0 | 11.0 | 5.0 | 8.0 | 280 | slight |
| 15-Dec-97 | 10:45 | 49.5 | 12.0 | 5.0 | 8.0 | 255 | moderate |
| 31-Dec-97 | 14:00 | 50.0 | 11.0 | 5.0 | 8.0 | 2900 | slight |
| 14-Jan-98 | 10:30 | 50.0 | 11.0 | 5.0 | 7.5 | 175 | moderate |
| 29-Jan-98 | 14:30 | 52.0 | 10.0 | 5.0 | 7.5 | 190 | high |
| 13-Feb-98 | 13:25 | 54.0 | 12.0 | 5.0 | 8.0 | 180 | moderate |
| 27-Feb-98 | 9:30 | 52.5 | 12.0 | 5.0 | 8.0 | 205 | moderate |
| 17-Mar-98 | 14:30 | 57.0 | 11.0 | 5.0 | 8.0 | 245 | slight |
| 2-Apr-98 | 11:10 | 51.5 | 11.0 | 5.0 | 8.0 | 235 | high |
| 15-Apr-98 | 15:15 | 53.0 | 11.0 | 5.0 | 8.0 | 240 | slight |
| 30-Apr-98 | 12:00 | 60.0 | 11.0 | 5.0 | 8.0 | 270 | none |
| 14-May-98 | 13:30 | 55.0 | 10.0 | 5.0 | 7.5 | 260 | none |
| 29-May-98 | 11:15 | 56.0 | 11.0 | 5.0 | 8.0 | 295 | moderate |
| 15-Jun-98 | 13:30 | 67.5 | 10.0 | 5.0 | 7.5 | 330 | slight |
| 1-Jul-98 | 15:30 | 66.5 | 10.0 | 5.0 | 7.5 | 340 | none |
| 16-Jul-98 | 14:05 | 72.5 | 10.0 | 5.0 | 8.0 | 340 | none |
| 29-Jul-98 | 12:15 | 69.5 | 10.0 | 5.0 | 8.0 | 310 | none |
| 17-Aug-98 | 10:25 | 67.0 | 9.0 | 10.0 | 8.0 | 330 | none |
| 31-Aug-98 | 12:15 | 71.0 | 9.0 | 5.0 | 8.0 | 325 | none |
| 14-Sep-98 | 15:15 | 72.0 | 10.0 | 5.0 | 8.0 | 330 | none |
| 30-Sep-98 | 12:15 | 64.0 | 9.0 | 5.0 | 7.5 | 345 | none |
| Minimum | 49.5 | 9.0 | 5.0 | 7.5 | 175.0 | ||
| Maximum | 72.5 | 12.0 | 10.0 | 8.0 | 2900.0 | ||
| Average | 59.3 | 10.4 | 5.2 | 7.9 | |||