| Water quality data collected by MPWMD during WY 1999 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) | |||
| 30-Oct-98 | 13:30 | 57.0 | 11.0 | 5.0 | 8.0 | 340 | none |
| 3-Dec-98 | 11:40 | 53.0 | 10.0 | 5.0 | 8.0 | 295 | slight |
| 4-Jan-99 | 13:10 | 44.5 | 13.0 | 5.0 | 8.0 | 325 | none |
| 19-Jan-99 | 15:05 | 53.0 | 13.0 | 5.0 | 8.0 | 325 | none |
| 1-Feb-99 | 10:35 | 46.0 | 13.0 | 5.0 | 8.0 | 220 | high |
| 16-Feb-99 | 12:00 | 48.0 | 13.0 | 10.0 | 7.5 | 195 | slight |
| 5-Mar-99 | 11:40 | 49.5 | 14.0 | 5.0 | 8.0 | 210 | none |
| 18-Mar-99 | 7:20 | 51.0 | 12.0 | 5.0 | 7.5 | 205 | none |
| 1-Apr-99 | 11:40 | 51.0 | 13.0 | 5.0 | 8.0 | 185 | slight |
| 14-Apr-99 | 13:00 | 55.0 | 12.0 | 5.0 | 8.0 | 185 | moderate |
| 30-Apr-99 | 11:10 | 55.0 | 12.0 | 5.0 | 7.5 | 205 | none |
| 14-May-99 | 12:15 | 58.0 | 11.0 | 5.0 | 8.0 | 215 | none |
| 28-May-99 | 13:40 | 65.0 | 12.0 | 5.0 | 7.5 | 230 | none |
| 15-Jun-99 | 15:45 | 68.0 | 10.0 | 5.0 | 8.0 | 250 | none |
| 1-Jul-99 | 12:00 | 71.5 | 11.0 | 5.0 | 8.0 | 245 | none |
| 17-Jul-99 | 15:15 | 73.5 | 11.0 | 5.0 | 8.0 | 260 | none |
| 30-Jul-99 | 10:35 | 66.5 | 10.0 | 5.0 | 7.5 | 275 | none |
| 21-Aug-99 | 12:00 | 69.0 | 12.0 | 5.0 | 8.0 | 370 | none |
| 1-Sep-99 | 11:30 | 68.0 | 10.0 | 10.0 | 8.0 | 322 | none |
| 14-Sep-99 | 13:00 | 69.0 | 11.0 | 10.0 | 8.0 | 318 | none |
| 30-Sep-99 | 13:00 | 67.0 | 11.0 | 10.0 | 8.0 | 314 | none |
| Minimum | 44.5 | 10.0 | 5.0 | 7.5 | 185.0 | ||
| Maximum | 73.5 | 14.0 | 10.0 | 8.0 | 370.0 | ||
| Average | 59.0 | 11.7 | 6.0 | 7.9 | |||