Data at this site will be discontinued on August 31, 2026. Although historical data will remain accessible, no new data will be collected. If there are questions concerning the operation of this site, please contact gs-w-mdtws_information@usgs.gov.
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 2023-09-13 to 2026-09-01
Daily data
1 data types available - data from 2023-09-25 to 2026-08-31
Field measurements
2 data types available - data from 2023-09-13 to 2026-09-01
Discrete sample data
422 Observed properties (data types) available - data from 2000-04-03 to 2024-09-24
5 Sampling activities
Statistical tables for select daily data types
1 data types available - data from 2023-09-25 to 2026-08-31
Important information about this monitoring location
LOCATION.-- On left bank, 1.0 miles upstream from mouth, and 2.0 miles east of Dover. PERIOD OF RECORD.-- September 13, 2023 to October 1, 2024. August 29, 2025 to current year. GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 6.65 ft above North American Vertical Datum of 1988.
Monitoring locations with continuous data in last 120 days
No locations found