An independent public resourceEnglish Español
PublicWater Watch

Tract 180 Mutual Water Co.

Published drinking-water records and contacts for Tract 180 Mutual Water Co.. System CA1910159. Review sources and dates; not a real-time water assessment.

System ID
CA1910159
State or territory
CA
Published population served
14000
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/L2024-09-20Well 5 / 1910159802
4:2 FTS< 0.003 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
6:2 FTS< 0.005 µg/L0.005 µg/L2024-09-20Well 6 / 1910159801
8:2 FTS< 0.005 µg/L0.005 µg/L2024-09-20Well 5 / 1910159802
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-09-20Well 6 / 1910159801
ADONA< 0.003 µg/L0.003 µg/L2024-09-20Well 5 / 1910159802
HFPO-DA< 0.005 µg/L0.005 µg/L2024-09-20Well 5 / 1910159802
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-09-20Well 6 / 1910159801
NFDHA< 0.02 µg/L0.02 µg/L2024-09-20Well 6 / 1910159801
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-09-20Well 5 / 1910159802
PFBA< 0.005 µg/L0.005 µg/L2024-09-20Well 5 / 1910159802
PFBS< 0.003 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFDA< 0.003 µg/L0.003 µg/L2024-09-20Well 5 / 1910159802
PFDoA< 0.003 µg/L0.003 µg/L2024-09-20Well 5 / 1910159802
PFEESA< 0.003 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFHpA< 0.003 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFHpS< 0.003 µg/L0.003 µg/L2024-09-20Well 5 / 1910159802
PFHxA0.0031 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFHxS0.0045 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFMBA< 0.003 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFMPA< 0.004 µg/L0.004 µg/L2024-09-20Well 6 / 1910159801
PFNA< 0.004 µg/L0.004 µg/L2024-09-20Well 6 / 1910159801
PFOA0.0064 µg/L0.004 µg/L2024-09-20Well 5 / 1910159802
PFOS0.024 µg/L0.004 µg/L2024-09-20Well 6 / 1910159801
PFPeA< 0.003 µg/L0.003 µg/L2024-09-20Well 6 / 1910159801
PFPeS< 0.004 µg/L0.004 µg/L2024-09-20Well 5 / 1910159802
PFTA< 0.008 µg/L0.008 µg/L2024-09-20Well 5 / 1910159802
PFTrDA< 0.007 µg/L0.007 µg/L2024-09-20Well 6 / 1910159801
PFUnA< 0.002 µg/L0.002 µg/L2024-09-20Well 6 / 1910159801
lithium< 9 µg/L9 µg/L2024-09-20Well 6 / 1910159801

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/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.005 mg/L2004-01-01 – 2004-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
N-PROPYLBENZENE< 0.500000000 UG/L2026-05-15WELL 05 / California DDW laboratory results
BENZO(A)PYRENE< 0.100000000 UG/L2026-05-15WELL 06 / California DDW laboratory results
FOAMING AGENTS (SURFACTANTS)< 0.050000000 MG/L2026-05-15WELL 05 / California DDW laboratory results
CHLOROFORM< 1.000000000 UG/L2026-05-15WELL 05 / California DDW laboratory results
PERFLUOROCTANOIC ACID (PFOA)9.3 NG/L2026-05-15WELL 06 / California DDW laboratory results
NONAFLUORO NFDHA< 2.000000000 NG/L2026-05-15WELL 05 / California DDW laboratory results
1,3,5-TRIMETHYLBENZENE< 0.500000000 UG/L2026-05-15WELL 06 / California DDW laboratory results
TRANS-1,3-DICHLOROPROPENE< 0.500000000 UG/L2026-05-15WELL 05 / California DDW laboratory results
2,4,5-TP< 1.000000000 UG/L2026-05-15WELL 06 / California DDW laboratory results
METHOXYCHLOR< 10.000000000 UG/L2026-05-15WELL 06 / California DDW laboratory results
AGGRESSIVE INDEX12.2 AGGR2026-05-15WELL 05 / California DDW laboratory results
CHROMIUM< 10.000000000 UG/L2026-05-15WELL 05 / 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

32 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
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2024-02-01 – 2024-02-29ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2020-01-01 – 2022-12-31ResolvedNo2026Q3

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)

Perez, George: 323-771-6682

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