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DESCRIPTION:

Latitude 38°02'04.52",   Longitude 121°42'44.57"   NAD83

Contra Costa County, California, Hydrologic Unit 18040003

Datum of gage: 30 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2015-10-21	2018-10-17	5
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