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Continuous nitrate and pH data collection will be discontinued on July 1, 2025. ​

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

9 data types available - data from 2003-04-24 to 2026-08-02

Daily data

9 data types available - data from 2003-04-23 to 2026-08-01

Field measurements

2 data types available - data from 2003-04-24 to 2026-06-12

Discrete sample data

241 Observed properties (data types) available - with data from 1960-12-06 to 2024-12-06
44 Sampling activities

Statistical tables for select daily data types

7 data types available - data from 2003-04-23 to 2026-07-31

Monitoring locations with continuous data in last 120 days

No locations found

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