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Water Quality Samples for USA
Grouped by County

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.
Some complex retrievals may take a few minutes.

Site Selection Results -- 20 sites found


Hydrologic unit = 18070101
Minimum number of samples = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Santa Barbara County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 342300119270001 004N025W25N004S 2011-02-10 2011-02-10 2
USGS 342303119282801 004N025W35M005S 1955-05-23 1955-05-23 1
USGS 342315119282901 004N025W35E001S 1975-06-19 1978-09-18 3
USGS 342315119282902 004N025W35E002S 1978-09-18 1978-09-18 1
USGS 342321119275001 004N025W35B001S 1964-07-16 1964-07-16 1
USGS 342351119270901 004N025W25L004S 1933-10-09 1933-10-09 1
USGS 342356119271201 004N025W25L007S 1965-03-16 1975-07-10 2
  group icon Ventura County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11114495 MATILIJA C NR RES NR MATILIJA HOT SPRINGS CA 2001-12-19 2004-04-13 25
USGS 11114500 MATILIJA C AB RES NR MATILIJA HOT SPRINGS CA 1966-10-07 1971-07-12 33
USGS 11115500 MATILIJA C A MATILIJA HOT SPRINGS 1971-10-18 1981-07-28 47
USGS 11116000 NF MATILIJA C A MATILIJA HOT SPRINGS CA 1955-12-25 1959-04-01 29
USGS 11117500 SAN ANTONIO C A CASITAS SPRINGS 1977-01-03 1978-03-24 23
USGS 11118500 VENTURA R NR VENTURA 1908-11-05 2015-04-21 540
USGS 342100119180001 003N023W05Q001S 2007-04-11 2017-06-27 7
USGS 342136119184501 003N023W08C002S 2022-03-15 2022-03-15 1
USGS 342318119275401 004N025W35G001S 2011-02-16 2011-02-16 2
USGS 342500119170001 004N023W16C008S 2007-04-04 2007-04-04 3
USGS 342600119130001 004N022W07A005S 2007-05-14 2007-05-14 3
USGS 342700119110001 004N022W04L001S 2007-04-03 2007-04-03 3
USGS 342721119122001 004N022W05L008S 1969-05-28 1976-03-31 5