Granville Centre Water Co
Published drinking-water records and contacts for Granville Centre Water Co. System MA1112000. Review sources and dates; not a real-time water assessment.
- System ID
- MA1112000
- State or territory
- MA
- Published population served
- 70
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 16 — 1993-07-01 – 2025-12-31
- Massachusetts EEA PFAS monitoring results: 54 — 2021-06-22 – 2025-08-13
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
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
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0.0019 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0.0088 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0.00268 mg/L | 2014-01-01 – 2016-12-31 | 2026Q3 |
| Lead (PB90) | 0.0018 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0.00195 mg/L | 2010-07-01 – 2010-12-31 | 2026Q3 |
| Lead (PB90) | 0.002 mg/L | 2010-01-01 – 2010-06-30 | 2026Q3 |
| Lead (PB90) | 0.0193 mg/L | 2007-01-01 – 2009-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| PERFLUORODODECANOIC ACID - PFDOA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUOROOCTANOIC ACID-PFOA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUOROBUTANESULFONIC ACID-PFBS | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| 4,8-DIOXA-3H-PERFLUORONONANOIC ACID - ADONA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| N-ETHYL PERFLUOROOCTANESULFONAMIDOACETIC ACID - NETFOSAA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUOROUNDECANOIC ACID - PFUNA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUOROHEXANESULFONIC ACID-PFHXS | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| HEXAFLUOROPROPYLENE OXIDE DIMER ACID - HFPO-DA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUOROTETRADECANOIC ACID - PFTA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUOROHEXANOIC ACID - PFHXA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| 9-CHLOROHEXADECAFLUORO-3-OXANONE-1-SULFONIC ACID-9CL-PF3ONS | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / Massachusetts EEA PFAS monitoring results |
| PERFLUORODECANOIC ACID - PFDA | Below a limit; numeric threshold unavailable ng/L | 2025-08-13 | POINT OF ENTRY / 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
80 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2026-07-01 – — | Unaddressed | No | 2026Q3 |
| Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report | 2025-07-01 – — | Unaddressed | No | 2026Q3 |
| Lead and Copper Rule / Lead Consumer Notice | 2025-07-01 – — | Addressed | No | 2026Q3 |
| Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R | 2025-06-01 – — | Addressed | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | No | 2026Q3 |
| Synthetic Organic Chemicals / Monitoring, Regular | 2018-04-01 – 2018-06-30 | Resolved | 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
- Massachusetts EEA PFAS monitoring results — last successful check: 2026-10-12
Administrative contact (EPA filing)
Granville Centre Water Co.: 9144004243
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.