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PROVISIONAL DATA SUBJECT TO REVISION

USGS 05537980 DES PLAINES RIVER AT ROUTE 53 AT JOLIET, IL

pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.3 05-24-2025   06:00 CSTNext
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USGS 05538020 DES PLAINES RIVER IN LOCK CHANNEL AT ROCKDALE, IL
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.