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Big Pines Trailer Court

Published drinking-water records and contacts for Big Pines Trailer Court. System MT0000450. Review sources and dates; not a real-time water assessment.

System ID
MT0000450
State or territory
MT
Published population served
78
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/L2023-07-25Well 2 / WELL2
4:2 FTS< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
6:2 FTS< 0.005 µg/L0.005 µg/L2023-07-25Well 2 / WELL2
8:2 FTS< 0.005 µg/L0.005 µg/L2023-07-25Well 2 / WELL2
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-07-25Well 2 / WELL2
ADONA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
HFPO-DA< 0.005 µg/L0.005 µg/L2023-07-25Well 2 / WELL2
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-07-25Well 2 / WELL2
NFDHA< 0.02 µg/L0.02 µg/L2023-07-25Well 2 / WELL2
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-07-25Well 2 / WELL2
PFBA< 0.005 µg/L0.005 µg/L2023-07-25Well 2 / WELL2
PFBS< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFDA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFDoA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFEESA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFHpA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFHpS< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFHxA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFHxS< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFMBA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFMPA< 0.004 µg/L0.004 µg/L2023-07-25Well 2 / WELL2
PFNA< 0.004 µg/L0.004 µg/L2023-07-25Well 2 / WELL2
PFOA< 0.004 µg/L0.004 µg/L2023-07-25Well 2 / WELL2
PFOS< 0.004 µg/L0.004 µg/L2023-07-25Well 2 / WELL2
PFPeA< 0.003 µg/L0.003 µg/L2023-07-25Well 2 / WELL2
PFPeS< 0.004 µg/L0.004 µg/L2023-07-25Well 2 / WELL2
PFTA< 0.008 µg/L0.008 µg/L2023-07-25Well 2 / WELL2
PFTrDA< 0.007 µg/L0.007 µg/L2023-07-25Well 2 / WELL2
PFUnA< 0.002 µg/L0.002 µg/L2023-07-25Well 2 / WELL2
lithium< 9 µg/L9 µg/L2023-07-25Well 2 / WELL2

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/L2026-01-01 – 2028-12-312026Q3
Lead (PB90) 0.007 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.01 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.002 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.003 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.005 mg/L2002-01-01 – 2004-12-312026Q3
Lead (PB90) 0.002 mg/L1999-01-01 – 2001-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
NITRATE-NITRITE0.62 mg/L2026-08-05EP503 / Montana selected chemical sample panels

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

22 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
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R2025-10-01 – —ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2023-01-01 – 2025-12-31ResolvedNo2026Q3

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)

Advanced Water Sampling: 406-214-8285

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