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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
01661350 MCINTOSH RUN NEAR LEONARDTOWN, MD
LOCATION - Lat 38°18'14.6", long 76°39'23.6" referenced to North American Datum of 1983, St. Mary's County, MD, Hydrologic Unit 02070011, on right bank at downstream side of bridge on Point Lookout Road (MD-5), approximately 0.9 mi northwest of Leonardtown, 0.2 mi above confluence with Nelson Run, and 1.6 mi upstream from confluence with Breton Bay.
DRAINAGE AREA - 29.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2021 to current year.
GAGE - Water stage recorder, crest-stage gage, and tipping-bucket precipitation gage. Datum of gage is 0.00 ft above North American Vertical Datum of 1988 (NAVD88).
REMARKS -
Water Year 2022-2024: Records good.
Water Year 2021: Records fair.
This is a tidally affected stage-only station. Discharge is not determined at this location. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 7.90 ft, Dec. 18, 2023; minimum gage height, -0.50 ft, Sept. 4, 2023.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - April 2021 to current year.
INSTRUMENTATION - Unshielded, standard 8-in. diameter tipping-bucket precipitation gage with 0.01-in. tip increment.
EXTREMES FOR PERIOD OF RECORD - Maximum daily precipitation, 4.04 in., July 9, 2022.
