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Uc - Davis

Published drinking-water records and contacts for Uc - Davis. System CA5710009. Review sources and dates; not a real-time water assessment.

System ID
CA5710009
State or territory
CA
Published population served
49616
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2024-04-24Domestic Well 7A / 5710009015
4:2 FTS< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
6:2 FTS< 0.005 µg/L0.005 µg/L2024-04-24Domestic Well 7A / 5710009015
8:2 FTS< 0.005 µg/L0.005 µg/L2024-04-24Domestic Well 7A / 5710009015
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-04-24Domestic Well 7A / 5710009015
ADONA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
HFPO-DA< 0.005 µg/L0.005 µg/L2024-04-24Domestic Well 7A / 5710009015
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-04-24Domestic Well 7A / 5710009015
NFDHA< 0.02 µg/L0.02 µg/L2024-04-24Domestic Well 7A / 5710009015
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-04-24Domestic Well 7A / 5710009015
PFBA< 0.005 µg/L0.005 µg/L2024-04-24Domestic Well 7A / 5710009015
PFBS< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFDA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFDoA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFEESA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFHpA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFHpS< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFHxA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFHxS< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFMBA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFMPA< 0.004 µg/L0.004 µg/L2024-04-24Domestic Well 7A / 5710009015
PFNA< 0.004 µg/L0.004 µg/L2024-04-24Domestic Well 7A / 5710009015
PFOA< 0.004 µg/L0.004 µg/L2024-04-24Domestic Well 7A / 5710009015
PFOS< 0.004 µg/L0.004 µg/L2024-04-24Domestic Well 7A / 5710009015
PFPeA< 0.003 µg/L0.003 µg/L2024-04-24Domestic Well 7A / 5710009015
PFPeS< 0.004 µg/L0.004 µg/L2024-04-24Domestic Well 7A / 5710009015
PFTA< 0.008 µg/L0.008 µg/L2024-04-24Domestic Well 7A / 5710009015
PFTrDA< 0.007 µg/L0.007 µg/L2024-04-24Domestic Well 7A / 5710009015
PFUnA< 0.002 µg/L0.002 µg/L2024-04-24Domestic Well 7A / 5710009015
lithium< 9 µg/L9 µg/L2024-04-24Domestic Well 7A / 5710009015

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0009 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.00072 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
PERCHLORATE< 1.000000000 UG/L2026-05-19DOMESTIC WELL 07A / California DDW laboratory results
CHROMIUM, HEX18 UG/L2026-05-19DOMESTIC WELL 06A / California DDW laboratory results
PERCHLORATE< 1.000000000 UG/L2026-05-19DOMESTIC WELL 04A PENDING / California DDW laboratory results
CHROMIUM, HEX18 UG/L2026-05-19DOMESTIC WELL 07A / California DDW laboratory results
PERCHLORATE< 1.000000000 UG/L2026-05-19DOMESTIC WELL 02 / California DDW laboratory results
PERCHLORATE< 1.000000000 UG/L2026-05-19DOMESTIC WELL 05 / California DDW laboratory results
PERCHLORATE< 1.000000000 UG/L2026-05-19DOMESTIC WELL 06A / California DDW laboratory results
PERFLUORO PFMBA< 2.000000000 NG/L2026-03-12DOMESTIC WELL 04A PENDING / California DDW laboratory results
HFPO-DA< 2.000000000 NG/L2026-03-12DOMESTIC WELL 05 / California DDW laboratory results
PERFLUOROPENTANOIC ACID (PFPEA)< 2.000000000 NG/L2026-03-12DOMESTIC WELL 06A / California DDW laboratory results
PERFLUOROHEPTANESULFONIC ACID (PFHPS)< 2.000000000 NG/L2026-03-12DOMESTIC WELL 06A / California DDW laboratory results
ADONA< 2.000000000 NG/L2026-03-12DOMESTIC WELL 02 / California DDW laboratory results

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

1 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2022-10-01 – —ResolvedNo2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Morejohn, Joshua: 530-754-5591

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records