Scwa - Laguna/Vineyard

Published drinking-water records and contacts for Scwa - Laguna/Vineyard. System CA3410029. Review sources and dates; not a real-time water assessment.

System ID: CA3410029
State or territory: CA
Published population served: 184896
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 1200 — 2024-02-07 – 2025-10-22
Lead and copper monitoring summaries: 42 — 1992-07-01 – 2025-12-31
California DDW laboratory results: 2852 — 2026-01-06 – 2026-06-29

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
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
ADONA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
NFDHA	< 0.02 µg/L	0.02 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFBA	< 0.005 µg/L	0.005 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFBS	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFDA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFDoA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFEESA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFHpA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFHpS	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFHxA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFHxS	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFMBA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFMPA	< 0.004 µg/L	0.004 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFNA	< 0.004 µg/L	0.004 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFOA	< 0.004 µg/L	0.004 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFOS	< 0.004 µg/L	0.004 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFPeA	< 0.003 µg/L	0.003 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFPeS	< 0.004 µg/L	0.004 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFTA	< 0.008 µg/L	0.008 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFTrDA	< 0.007 µg/L	0.007 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
PFUnA	< 0.002 µg/L	0.002 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820
lithium	< 9 µg/L	9 µg/L	2025-10-22	Dwight Rd. WTP (Well 70) / 3410029820

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
Substance	Monitoring period	Source quarter
Lead (PB90)	2023-01-01 – 2025-12-31	2026Q3
Lead (PB90)	2023-01-01 – 2025-12-31	2026Q3
Lead (PB90)	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	2020-01-01 – 2022-12-31	2026Q3
Lead (PB90)	2017-01-01 – 2019-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
PERFLUOROBUTANOIC ACID (PFBA)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUORODECANOIC ACID (PFDA)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUOROBUTANE SULFONIC ACID (PFBS)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
NONAFLUORO NFDHA	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUORONONANOIC ACID (PFNA)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUOROHEXANE SULFONIC ACID (PFHxS)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUOROCTANOIC ACID (PFOA)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
9CL-PF3ONS	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUOROCTANE SULFONIC ACID (PFOS)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
HFPO-DA	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUOROHEPTANOIC ACID (PFHPA)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / California DDW laboratory results
PERFLUOROUNDECANOIC ACID (PFUNA)	< 2.000000000 NG/L	2026-06-29	WELL 70 - DWIGHT ROAD - RAW / 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 / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Lead and Copper Rule Revisions / LSL Inventory	2024-10-17 – —	Unaddressed	Yes	2026Q3
Lead and Copper Rule Revisions / LSL Reporting	2024-10-17 – —	Unaddressed	No	2026Q3

Source dates and refresh checks

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

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
California DDW laboratory results — last successful check: 2026-10-17

Administrative contact (EPA filing)

Hutcheson, Scott: 916-875-2216

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