July 28, 2026: A backup sensor has been deployed to track gage height during periods when the water surface is below the gage operational limit. Gage heights from the primary sensor will display when gage height is over 1.02 ft.
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 1998-10-01 to 2026-08-06
Daily data
1 data types available - data from 1926-11-01 to 2026-08-05
Field measurements
2 data types available - data from 1926-12-14 to 2026-08-04
Discrete sample data
4 Observed properties (data types) available - with data from 1964-06-23 to 1970-07-14
27 Sampling activities
Peak measurements
2 data types available - with data from 1926-11-16 to 2025-08-01
Statistical tables for select daily data types
1 data types available - data from 1926-11-01 to 2026-08-05
Important information about this monitoring location
LOCATION.-- On right bank 700 ft upstream from Laurel Brook, 750 ft upstream from bridge on Bottom Road, 5 mi southwest of Bel Air, and 10.5 mi upstream from mouth. PERIOD OF RECORD.-- October 1926 to September 1970, monthly discharge only for some periods, published in WSP 1302. Annual maximums only, water years 1971-86. October 1998 to current year. GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 260.90 ft above North American Vertical Datum of 1988.
Monitoring locations with continuous data in last 120 days
No locations found
