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Boylston Water District

Published drinking-water records and contacts for Boylston Water District. System MA2039000. Review sources and dates; not a real-time water assessment.

System ID
MA2039000
State or territory
MA
Published population served
3343
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/L2025-12-03WELL #1 016 / 01G
4:2 FTS< 0.003 µg/L0.003 µg/L2025-12-03WELL #1 016 / 01G
6:2 FTS< 0.005 µg/L0.005 µg/L2025-12-03WELL #5 056 / 05G
8:2 FTS< 0.005 µg/L0.005 µg/L2025-12-03WELL #1 016 / 01G
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-12-03WELL #1 016 / 01G
ADONA< 0.003 µg/L0.003 µg/L2025-12-03WELL #1 016 / 01G
HFPO-DA< 0.005 µg/L0.005 µg/L2025-12-03WELL #1 016 / 01G
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-12-03WELL #5 056 / 05G
NFDHA< 0.02 µg/L0.02 µg/L2025-12-03WELL #5 056 / 05G
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-12-03WELL #3 036 / 03G
PFBA< 0.005 µg/L0.005 µg/L2025-12-03WELL #1 016 / 01G
PFBS< 0.003 µg/L0.003 µg/L2025-12-03WELL #3 036 / 03G
PFDA< 0.003 µg/L0.003 µg/L2025-12-03WELL #3 036 / 03G
PFDoA< 0.003 µg/L0.003 µg/L2025-12-03WELL #5 056 / 05G
PFEESA< 0.003 µg/L0.003 µg/L2025-12-03WELL #1 016 / 01G
PFHpA< 0.003 µg/L0.003 µg/L2025-12-03WELL #5 056 / 05G
PFHpS< 0.003 µg/L0.003 µg/L2025-12-03WELL #3 036 / 03G
PFHxA< 0.003 µg/L0.003 µg/L2025-12-03WELL #3 036 / 03G
PFHxS< 0.003 µg/L0.003 µg/L2025-12-03WELL #3 036 / 03G
PFMBA< 0.003 µg/L0.003 µg/L2025-12-03WELL #1 016 / 01G
PFMPA< 0.004 µg/L0.004 µg/L2025-12-03WELL #5 056 / 05G
PFNA< 0.004 µg/L0.004 µg/L2025-12-03WELL #1 016 / 01G
PFOA< 0.004 µg/L0.004 µg/L2025-12-03WELL #1 016 / 01G
PFOS< 0.004 µg/L0.004 µg/L2025-12-03WELL #5 056 / 05G
PFPeA< 0.003 µg/L0.003 µg/L2025-12-03WELL #1 016 / 01G
PFPeS< 0.004 µg/L0.004 µg/L2025-12-03WELL #1 016 / 01G
PFTA< 0.008 µg/L0.008 µg/L2025-12-03WELL #5 056 / 05G
PFTrDA< 0.007 µg/L0.007 µg/L2025-12-03WELL #1 016 / 01G
PFUnA< 0.002 µg/L0.002 µg/L2025-12-03WELL #5 056 / 05G
lithium< 9 µg/L9 µg/L2025-12-03WELL #1 016 / 01G

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) 0.0031 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0.002 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0038 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0033 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.002 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.008 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0.004 mg/L2006-01-01 – 2008-12-312026Q3
Lead (PB90) 0.002 mg/L2005-01-01 – 2005-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
9-CHLOROHEXADECAFLUORO-3-OXANONE-1-SULFONIC ACID-9CL-PF3ONSBelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
PERFLUOROHEPTANOIC ACID-PFHPA1.74 J ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
PERFLUOROBUTANESULFONIC ACID-PFBS3.46 ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
PERFLUORODODECANOIC ACID - PFDOABelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
PERFLUOROHEXANESULFONIC ACID-PFHXS4.45 ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
PERFLUOROOCTANESULFONIC ACID-PFOS1.41 J ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
PERFLUOROTRIDECANOIC ACID - PFTRDABelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #1 / Massachusetts EEA PFAS monitoring results
4,8-DIOXA-3H-PERFLUORONONANOIC ACID - ADONABelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #2 / Massachusetts EEA PFAS monitoring results
HEXAFLUOROPROPYLENE OXIDE DIMER ACID - HFPO-DABelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #2 / Massachusetts EEA PFAS monitoring results
PERFLUORONONANOIC ACID-PFNABelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #2 / Massachusetts EEA PFAS monitoring results
PERFLUOROUNDECANOIC ACID - PFUNABelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #2 / Massachusetts EEA PFAS monitoring results
9-CHLOROHEXADECAFLUORO-3-OXANONE-1-SULFONIC ACID-9CL-PF3ONSBelow a limit; numeric threshold unavailable ng/L2026-08-06FINISHED: WELL #2 / Massachusetts EEA PFAS monitoring 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

90 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
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2025-08-01 – 2025-08-31ArchivedNo2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2023-08-01 – 2023-08-31ResolvedNo2026Q3
Lead and Copper Rule / Lead Consumer Notice2020-12-30 – —ResolvedNo2026Q3
Lead and Copper Rule / Lead Consumer Notice2017-12-30 – —ResolvedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3
Volatile Organic Chemicals / Monitoring, Regular2001-04-01 – 2001-06-30ArchivedNo2026Q3

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)

Boylston Water District: 5088693400

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