Important Legacy real-time page
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
3 data types available - data from 1998-04-16 to 2026-09-22
Daily data
1 data types available - data from 1983-01-01 to 2026-09-21
Field measurements
2 data types available - data from 1983-01-07 to 2026-09-02
Discrete sample data
28 Observed properties (data types) available - data from 1983-02-10 to 2003-02-06
18 Sampling activities
Peak measurements
2 data types available - data from 1984-07-01 to 2025-08-14
Statistical tables for select daily data types
1 data types available - data from 1983-01-01 to 2026-09-21
Important information about this monitoring location
LOCATION.-- On left bank 500 ft upstream from pond, 600 ft above mouth, 1.0 mi southwest of Beaver Dam Road and Ivy Hill Road interchange, and 2.3 mi west of Cockeysville. PERIOD OF RECORD.-- January 1983 to September 1986, April 1998 to current year. GAGE.-- Water-stage recorder, crest-stage gage, and triple V-notch sharp-crested weir plate. Datum of gage is 432.36 ft above North American Vertical Datum of 1988.
Monitoring locations with continuous data in last 120 days
No locations found
