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PublicWater Watch

City of Riverbank

Published drinking-water records and contacts for City of Riverbank. System CA5010018. Review sources and dates; not a real-time water assessment.

System ID
CA5010018
State or territory
CA
Published population served
24834
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/L2024-11-18Well 3 / 5010018003
4:2 FTS< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
6:2 FTS< 0.005 µg/L0.005 µg/L2024-11-18Well 3 / 5010018003
8:2 FTS< 0.005 µg/L0.005 µg/L2024-11-18Well 3 / 5010018003
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-11-18Well 3 / 5010018003
ADONA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
HFPO-DA< 0.005 µg/L0.005 µg/L2024-11-18Well 3 / 5010018003
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-11-18Well 3 / 5010018003
NFDHA< 0.02 µg/L0.02 µg/L2024-11-18Well 3 / 5010018003
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-11-18Well 3 / 5010018003
PFBA< 0.005 µg/L0.005 µg/L2024-11-18Well 3 / 5010018003
PFBS< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFDA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFDoA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFEESA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFHpA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFHpS< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFHxA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFHxS< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFMBA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFMPA< 0.004 µg/L0.004 µg/L2024-11-18Well 3 / 5010018003
PFNA< 0.004 µg/L0.004 µg/L2024-11-18Well 3 / 5010018003
PFOA< 0.004 µg/L0.004 µg/L2024-11-18Well 3 / 5010018003
PFOS< 0.004 µg/L0.004 µg/L2024-11-18Well 3 / 5010018003
PFPeA< 0.003 µg/L0.003 µg/L2024-11-18Well 3 / 5010018003
PFPeS< 0.004 µg/L0.004 µg/L2024-11-18Well 3 / 5010018003
PFTA< 0.008 µg/L0.008 µg/L2024-11-18Well 3 / 5010018003
PFTrDA< 0.007 µg/L0.007 µg/L2024-11-18Well 3 / 5010018003
PFUnA< 0.002 µg/L0.002 µg/L2024-11-18Well 3 / 5010018003
lithium< 9 µg/L9 µg/L2024-11-18Well 3 / 5010018003

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) 0.021 mg/L2024-01-01 – 2026-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0.005 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2008-12-312026Q3
Lead (PB90) 0.013 mg/L2006-01-01 – 2006-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
PERFLUORONONANOIC ACID (PFNA)< 2.000000000 NG/L2026-06-24WELL 06 / California DDW laboratory results
9CL-PF3ONS< 2.000000000 NG/L2026-06-24WELL NO. 12 / California DDW laboratory results
PERFLUOROBUTANE SULFONIC ACID (PFBS)< 2.000000000 NG/L2026-06-24WELL 07 / California DDW laboratory results
PERFLUOROBUTANOIC ACID (PFBA)< 2.000000000 NG/L2026-06-24WELL 08 / California DDW laboratory results
PERFLUOROHEPTANOIC ACID (PFHPA)< 2.000000000 NG/L2026-06-24WELL NO. 12 / California DDW laboratory results
PERFLUORODODECANOIC ACID (PFDOA)< 2.000000000 NG/L2026-06-24WELL NO. 12 / California DDW laboratory results
PERFLUOROUNDECANOIC ACID (PFUNA)< 2.000000000 NG/L2026-06-24WELL 07 / California DDW laboratory results
PERFLUORO PFMBA< 2.000000000 NG/L2026-06-24WELL 09 / California DDW laboratory results
PERFLUOROPENTANOIC ACID (PFPEA)< 2.000000000 NG/L2026-06-24WELL 02 / California DDW laboratory results
PERFLUOROHEPTANESULFONIC ACID (PFHPS)< 2.000000000 NG/L2026-06-24WELL 07 / California DDW laboratory results
11CL-PF3OUDS< 2.000000000 NG/L2026-06-24WELL 09 / California DDW laboratory results
NONAFLUORO NFDHA< 2.000000000 NG/L2026-06-24WELL 04 / 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

2 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
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample2021-11-01 – 2021-11-30ResolvedYes2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)1993-03-01 – 1993-03-31ArchivedYes2026Q3

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)

Bridgewater, Cody: 209-869-7128

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