Maryland And Delaware. -- Streamflow increased throughout most of the bi-state area. In Western Maryland and on the upper Potomac River, streamflow decreased, and remained in the normal range. In Central Maryland, flows increased, and remained in the normal range. On the lower Potomac River, flows increased, and remained in the normal range. On the Eastern Shore, streamflow increased, and moved from the normal range into the above-normal range.
Contents of the Baltimore reservoir system increased, and near month's end were 95 percent of average and 106 percent of last year. End of month contents = 74,910 million gallons.
Ground-water levels increased throughout most of the bi-state area. In western Maryland, ground water levels fell, and moved from the above-normal range into the below-normal range. In west central Maryland, ground water levels increased, but remained in the below-normal range (below normal since June 1998). In central Maryland, water levels increased, and remained in the above-normal range. On the Eastern Shore, water levels rose, and moved from the below-normal range into the above-normal range.
[% = percent; ft³ = cubic feet per second; in. = inches;
Med. = median; Max. = maximum; Min. = minimum; Date = day of month]
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Mean discharge Cumulative runoff
-------------- -----------------------------------
% % Max.
of Runoff of Departure Min. Date
Station name (ft³) Med. (in.) (in.) Med. (in.) (ft³)
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Potomac R at 4730 64 1.75 5.37 59 -3.68 8730 23
Paw Paw, W.Va. 1920 11
Seneca Cr at 199 127 2.27 8.20 120 +1.34 1330 22
Dawsonville, Md. 85 10
Potomac R near 18100 74 1.81 5.69 76 -1.81 51800 23
Washington, D.C.(1) 6870 11
Choptank R near *411 193 4.20 11.04 126 +2.30 2350 22
Greensboro, Md. 107 16
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(1) Includes diversions for water supply
* Above normal
# Below normal
[Date = month & day]
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Station Feet below land surface datum
------------------------- ----------------------------------------
Number Name Date Level Date Level
------------------------- ----------------------------------------
GA-Bc 1 Accident 02-28 8.23 03-30 9.91
WA-Be 2 Fort Frederick 02-28 32.59 03-30 27.12
MO-Eh 20 Fairland 02-28 11.04 03-30 10.86
Jd 42-03 Camden 02-28 7.01 03-29 5.80
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[ft = feet]
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Water level change (ft) from Last reversal
Water ---------------------------- ----------------------
Name level Average Last Last (ft) Month Year
(Date) (ft) Month Year
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Accident 9.91 -0.76 -1.68 -3.10 -1.68 03 2000
(March 30, 2000)
Ft. Frederick 27.12 -0.80 +5.47 +0.36 +7.60 02 2000
(March 30, 2000)
Fairland 10.86 +0.14 +0.18 +1.88 +2.12 02 2000
(March 30, 2000)
Camden 5.80 +0.22 +1.21 +1.37 +2.16 02 2000
(March 29, 2000)
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Reference period: 1961 to 1990.
March average: 98.2 BGD.
The three largest rivers flowing into the Chesapeake Bay contributed about 86 % of total inflow in March, with individual contributions of:
--------------------------
Susquehanna River 61 %
Potomac River 16 %
James River 9 %
--------------------------
Total 86 %
Other 14 %
Period of record: 1951 to Present.