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DESCRIPTION:

Latitude 37°35'04",   Longitude 122°14'59"   NAD27

San Mateo County, California, Hydrologic Unit 18050004

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-16	2025-09-24
Daily Data
Temperature, water, degrees Celsius -- UPPER - 44 FT FROM BED	1989-11-07	2025-09-23	22534
Temperature, water, degrees Celsius -- LOWER - 10 FT FROM BED	1989-10-27	2025-09-23	22586
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- UPPER - 44 FT FROM BED	1989-10-27	2025-09-23	20635
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- LOWER - 10 FT FROM BED	1989-10-27	2025-09-23	20933
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- LOWER - 10 FT FROM BED	2021-01-07	2022-10-21	578
Daily Statistics
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- LOWER - 10 FT FROM BED	2021-01-07	2022-10-21	578
Monthly Statistics
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- LOWER - 10 FT FROM BED	2021-01	2022-10
Annual Statistics
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- LOWER - 10 FT FROM BED	2021	2023
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1990-06-19	2024-02-08	149
Water-Year Summary	2005	2024	17
Revisions	Loading...

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