An independent public resourceEnglish Español
PublicWater Watch

Big Bear Lake Dwp - Big Bear System

Published drinking-water records and contacts for Big Bear Lake Dwp - Big Bear System. System CA3610044. Review sources and dates; not a real-time water assessment.

System ID
CA3610044
State or territory
CA
Published population served
26132
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/L2024-04-24Lassen Slant Wells Composite / 15
4:2 FTS< 0.003 µg/L0.003 µg/L2024-04-24Lassen Slant Wells Composite / 15
6:2 FTS< 0.005 µg/L0.005 µg/L2024-04-24Lassen #4 Well / 14
8:2 FTS< 0.005 µg/L0.005 µg/L2024-04-24Maple Well / 22
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-04-24Maple Well / 22
ADONA< 0.003 µg/L0.003 µg/L2024-04-24Magnolia Well / 20
HFPO-DA< 0.005 µg/L0.005 µg/L2024-04-24Lakewood #7 Well / 25
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-04-24Maple Well / 22
NFDHA< 0.02 µg/L0.02 µg/L2024-04-24Lakewood #7 Well / 25
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-04-24Lakewood #7 Well / 25
PFBA< 0.005 µg/L0.005 µg/L2024-04-24Lassen Slant Wells Composite / 15
PFBS< 0.003 µg/L0.003 µg/L2024-04-24Maple Well / 22
PFDA< 0.003 µg/L0.003 µg/L2024-04-24Lassen Slant Wells Composite / 15
PFDoA< 0.003 µg/L0.003 µg/L2024-04-24Magnolia Well / 20
PFEESA< 0.003 µg/L0.003 µg/L2024-04-24Lassen Slant Wells Composite / 15
PFHpA< 0.003 µg/L0.003 µg/L2024-04-24Sawmill Well / 21
PFHpS< 0.003 µg/L0.003 µg/L2024-04-24Lakewood #7 Well / 25
PFHxA< 0.003 µg/L0.003 µg/L2024-04-24Maple Well / 22
PFHxS0.0062 µg/L0.003 µg/L2024-04-24Lassen #4 Well / 14
PFMBA< 0.003 µg/L0.003 µg/L2024-04-24Lakewood #7 Well / 25
PFMPA< 0.004 µg/L0.004 µg/L2024-04-24Maple Well / 22
PFNA< 0.004 µg/L0.004 µg/L2024-04-24Maple Well / 22
PFOA< 0.004 µg/L0.004 µg/L2024-04-24Maple Well / 22
PFOS< 0.004 µg/L0.004 µg/L2024-04-24Lassen #4 Well / 14
PFPeA< 0.003 µg/L0.003 µg/L2024-04-24Magnolia Well / 20
PFPeS< 0.004 µg/L0.004 µg/L2024-04-24Sawmill Well / 21
PFTA< 0.008 µg/L0.008 µg/L2024-04-24Magnolia Well / 20
PFTrDA< 0.007 µg/L0.007 µg/L2024-04-24Maple Well / 22
PFUnA< 0.002 µg/L0.002 µg/L2024-04-24Sawmill Well / 21
lithium< 9 µg/L9 µg/L2024-04-24Lassen Slant Wells Composite / 15

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/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 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0.0098 mg/L2008-01-01 – 2008-12-312026Q3
Lead (PB90) 0 mg/L2007-01-01 – 2007-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
MANGANESE< 10.000000000 UG/L2026-07-07DIVISION WELL 2 MN TP - EFFLUENT / California DDW laboratory results
MANGANESE11 UG/L2026-07-07DIVISION PLANT WELL 02 - RAW / California DDW laboratory results
IRON< 100.000000000 UG/L2026-07-07DIVISION PLANT WELL 02 - RAW / California DDW laboratory results
IRON< 100.000000000 UG/L2026-07-07DIVISION WELL 2 MN TP - EFFLUENT / California DDW laboratory results
IRON< 100.000000000 UG/L2026-06-30DIVISION WELL 2 MN TP - EFFLUENT / California DDW laboratory results
MANGANESE< 10.000000000 UG/L2026-06-30DIVISION WELL 2 MN TP - EFFLUENT / California DDW laboratory results
COPPER, FREE71 UG/L2026-06-24LCR Tap Sample / California DDW laboratory results
IRON< 100.000000000 UG/L2026-06-24DIVISION WELL 2 MN TP - EFFLUENT / California DDW laboratory results
LEAD< 5.000000000 UG/L2026-06-24LCR Tap Sample / California DDW laboratory results
COPPER, FREE260 UG/L2026-06-24LCR Tap Sample / California DDW laboratory results
COPPER, FREE< 50.000000000 UG/L2026-06-24LCR Tap Sample / California DDW laboratory results
COPPER, FREE120 UG/L2026-06-24LCR Tap Sample / 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

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

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)

Lamson, Reginald: 909-866-5050

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