See definitions.
Maryland And Delaware. -- Streamflow increased throughout most of the bi-state area. In Western Maryland and on the upper Potomac River, however,streamflow decreased, although flows remain in the above normal range. In Central Maryland, flows increased, and remained in the above the normal range. On the lower Potomac River, flows increased, and remain in the above normal range. In north east Maryland, flows increased, and remain in the normal range. On the Eastern Shore, streamflow increased, and remains in the above normal range.
Contents of the Baltimore reservoir system increased, and near month's end were 89 percent of capacity. End of month contents = 67,890 million gallons.
Ground-water levels remained above average throughout most of the bi-state area. In western Maryland, ground water levels rose, moving from the below to above-average range. In west-central Maryland, ground water levels decreased, but remain in the above-average range.. In central Maryland, water levels increased, remaining in the above-average range. On the Eastern Shore, water levels rose, and remain in the above-average range.
| Station name | Discharge | Runoff
(in.) |
Cumulative runoff | Maximum
(ft3/s) --- (Date) |
Minimum
(ft3/s) --- (Date) |
|||
| Mean
(ft3/s) |
Percent of
normal |
Total
(in.) |
Percent of
normal |
Departure
(in.) |
||||
| Potomac R at
Paw Paw, W.Va. |
*1500 | 220 | 0.54 | 10.03 | 71 | -4.17 | 6120
(27) |
742
(24) |
| Seneca C at
Dawsonville, Md. |
*137 | 298 | 1.52 | 16.94 | 125 | +3.44 | 633
(26) |
50
(18) |
| Potomac R near
Washington, D.C. 1 |
*6260 | 211 | 0.60 | 10.43 | 80 | -2.57 | 15900
(29) |
3480
(18) |
| Deer C near
Rocks, Md. |
80.1 | 125 | 0.95 | 16.29 | 93 | -1.21 | 225
(26) |
50
(11) |
| Choptank R near
Greensboro, Md. |
*201 | 827 | 1.99 | 20.20 | 136 | +5.40 | 1170
(27) |
66
(1) |
Normal is defined as the median (50th percentile) of long-term monthly-mean discharge or monthly total runoff. The normal range is defined as discharge or runoff falling between the 75th and 25th percentiles of long-term records.
| Well number | Well name | Previous month | Reporting month | ||
| Date measured | Level
(feet below land surface) |
Date measured | Level
(feet below land surface) |
||
| GA-Bc 1 | Accident | 08-30 | 14.74 | 09-29 | 12.76 |
| WA-Be 2 | Fort Frederick | 08-30 | 31.96 | 09-29 | 32.74 |
| MO-Eh 20 | Fairland | 08-30 | 13.74 | 09-29 | 13.25 |
| Jd 42-03 | Camden | 08-30 | 6.00 | 09-29 | 5.76 |
| Name | Date measured | Water level
(feet below land surface) |
Departure from average
(feet) |
Change since previous month
(feet) |
Change since previous year
(feet) |
Last reversal | |
| Change
(feet) |
Date
(month, year) |
||||||
| Accident | 09-29 | 12.76 | +2.06 | +1.98 | +3.49 | +2.59 | Aug 2000 |
| Fort Frederick | 09-29 | 32.74 | +1.26 | -0.78 | +2.76 | -5.62 | April 2000 |
| Fairland | 09-29 | 13.25 | +0.47 | +0.49 | +0.31 | +0.49 | Sept 2000 |
| Camden | 09-29 | 5.76 | +1.60 | +0.24 | +2.34 | +0.77 | Aug 2000 |
The three largest rivers flowing into the Chesapeake Bay contributed about 82 percent of total inflow in August, with individual contributions of:
| River | Percentage of total inflow
to Chesapeake Bay |
|
|
|
| Susquehanna River | 27 |
| Potomac River | 22 |
| James River | 26 |
|
|
|
| Total | 75 |
| Other rivers | 25 |
Period of record: 1951 to Present.
info@md.water.usgs.gov or call 410-238-4200.