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PublicWater Watch

City of Turlock

Published drinking-water records and contacts for City of Turlock. System CA5010019. Review sources and dates; not a real-time water assessment.

System ID
CA5010019
State or territory
CA
Published population served
72682
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.

Read the provider’s annual water quality report

Report link listed: 2026-10-05. This is not the report’s sampling date.

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/L2023-06-01Well 27 / 5010019027
4:2 FTS< 0.003 µg/L0.003 µg/L2023-06-01Well 8 / 5010019008
6:2 FTS< 0.005 µg/L0.005 µg/L2023-06-01Well 27 / 5010019027
8:2 FTS< 0.005 µg/L0.005 µg/L2023-06-01Well 36 / 5010019036
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-06-01Well 36 / 5010019036
ADONA< 0.003 µg/L0.003 µg/L2023-06-01Well 27 / 5010019027
HFPO-DA< 0.005 µg/L0.005 µg/L2023-06-01Well 27 / 5010019027
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-06-01Well 30 / 5010019030
NFDHA< 0.02 µg/L0.02 µg/L2023-06-01Well 36 / 5010019036
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-06-01Well 8 / 5010019008
PFBA< 0.005 µg/L0.005 µg/L2023-06-01Well 30 / 5010019030
PFBS< 0.003 µg/L0.003 µg/L2023-06-01Well 36 / 5010019036
PFDA< 0.003 µg/L0.003 µg/L2023-06-01Well 8 / 5010019008
PFDoA< 0.003 µg/L0.003 µg/L2023-06-01Well 8 / 5010019008
PFEESA< 0.003 µg/L0.003 µg/L2023-06-01Well 36 / 5010019036
PFHpA< 0.003 µg/L0.003 µg/L2023-06-01Well 27 / 5010019027
PFHpS< 0.003 µg/L0.003 µg/L2023-06-01Well 36 / 5010019036
PFHxA< 0.003 µg/L0.003 µg/L2023-06-01Well 27 / 5010019027
PFHxS< 0.003 µg/L0.003 µg/L2023-06-01Well 8 / 5010019008
PFMBA< 0.003 µg/L0.003 µg/L2023-06-01Well 35 / 5010019035
PFMPA< 0.004 µg/L0.004 µg/L2023-06-01Well 27 / 5010019027
PFNA< 0.004 µg/L0.004 µg/L2023-06-01Well 30 / 5010019030
PFOA< 0.004 µg/L0.004 µg/L2023-06-01Well 35 / 5010019035
PFOS< 0.004 µg/L0.004 µg/L2023-06-01Well 27 / 5010019027
PFPeA< 0.003 µg/L0.003 µg/L2023-06-01Well 30 / 5010019030
PFPeS< 0.004 µg/L0.004 µg/L2023-06-01Well 27 / 5010019027
PFTA< 0.008 µg/L0.008 µg/L2023-06-01Well 27 / 5010019027
PFTrDA< 0.007 µg/L0.007 µg/L2023-06-01Well 30 / 5010019030
PFUnA< 0.002 µg/L0.002 µg/L2023-06-01Well 30 / 5010019030
lithium< 9 µg/L9 µg/L2023-06-01Well 36 / 5010019036

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) 0.00097 mg/L2026-01-01 – 2026-12-312026Q3
Lead (PB90) 0 mg/L2025-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2024-07-01 – 2024-12-312026Q3
Lead (PB90) 0 mg/L2024-01-01 – 2024-06-302026Q3
Lead (PB90) 0 mg/L2023-07-01 – 2023-12-312026Q3
Lead (PB90) 0 mg/L2023-01-01 – 2023-06-302026Q3
Lead (PB90) 0 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0 mg/L2016-01-01 – 2018-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
PH7.9 PH2026-07-01DBPR Sample / California DDW laboratory results
ALKALINITY, TOTAL82.1 MG/L2026-07-01DBPR Sample / California DDW laboratory results
PH8.1 PH2026-07-01ST2DBP - PANORAMA & PASEO DEL SOL / California DDW laboratory results
PH8.3 PH2026-07-01DBPR Sample / California DDW laboratory results
PH7.8 PH2026-07-01ST2DBP - 2500 FAIRBANKS RANCH RD / California DDW laboratory results
PH8.0 PH2026-07-01DBPR Sample / California DDW laboratory results
ALKALINITY, TOTAL51.3 MG/L2026-07-01DBPR Sample / California DDW laboratory results
CALCIUM31.6 MG/L2026-07-01DBPR Sample / California DDW laboratory results
ALKALINITY, TOTAL112 MG/L2026-07-01ST2DBP - PANORAMA & PASEO DEL SOL / California DDW laboratory results
CALCIUM18.4 MG/L2026-07-01DBPR Sample / California DDW laboratory results
PH7.9 PH2026-07-01DBPR Sample / California DDW laboratory results
PH7.9 PH2026-07-01ST2DBP - 3745 N OLIVE AVE / 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
Nitrate Rule / Maximum Contaminant Level Violation, Single Sample2017-01-01 – 2017-03-31ResolvedYes2026Q3

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)

Guerrero, Carlos: 209-668-5457

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