| News - updated January 2010 |
![[!]](http://pa.water.usgs.gov/images/exclaim.gif)
During cold weather, ice effects on stage, ground water levels,
precipitation and water quality parameters at some stream-gaging
stations and wells are likely. Data values reported on these pages may
be significantly higher or lower than actual values. Adjustment of data
for ice effects can only be done after detailed analysis. Users are
encouraged to contact this office for more information on specific
stream-gaging stations or wells.
All Data Times In MD-DE-DC Are Eastern Standard Time
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