Public water system · MA1112000
ActiveGranville Centre Water Co
At a glance
Granville Centre Water Co (PWSID MA1112000) is an active community water system in Hampden County, Massachusetts. It reports serving 70 people through 30 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
70
Service connections
30
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Granville Centre Water Co compare with other water systems in Hampden County?
By EPA's size categories, Granville Centre Water Co is a very small system (500 people or fewer). Hampden County has 115 active public water systems. Its population served is well below the county average of 3,821 people per system, and accounts for less than 0.1% of the 439,404 people reported by systems filed under the county. Across Massachusetts, the 1,636 active systems average 6,275 people each. Nationally, the average active community water system reports serving 6,703 people, so Granville Centre Water Co is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Massachusetts has 531 active community water systems, 32% of the state's 1,636 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,354 Massachusetts systems (83%) list groundwater as their primary source.
Who owns and regulates Granville Centre Water Co?
EPA lists Granville Centre Water Co as privately owned. The MA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 78 of the 115 active systems in Hampden County (68%) are also privately owned.
Does Granville Centre Water Co have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between April 2018 and July 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 9 as resolved, 2 as addressed and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Addressed means the violation is not resolved or archived and is covered by formal enforcement. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-07-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2025-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Granville Centre Water Co: frequently asked questions
Who runs Granville Centre Water Co?
Granville Centre Water Co (PWSID MA1112000) is a community water system privately owned. It is regulated by the MA state drinking water program.
How many people does Granville Centre Water Co serve?
Granville Centre Water Co reports serving 70 people through 30 service connections in Hampden County, Massachusetts.
Where does Granville Centre Water Co get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Granville Centre Water Co have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Granville Centre Water Co's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MA state drinking water program.
Where can I find Granville Centre Water Co's water quality report?
As a community water system, Granville Centre Water Co must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Hampden County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Springfield Water and Sewer Commission | Hampden | 169,170 | Community | Surface water |
| Chicopee Water Dept (MWRA) | Hampden | 55,560 | Community | Purchased surface water |
| Westfield Dpwwater Division | Hampden | 41,094 | Community | Surface water |
| Holyoke Water Works | Hampden | 37,838 | Community | Surface water |
| West Springfield Dpw Water Division | Hampden | 28,835 | Community | Groundwater |
| Agawam Water Department | Hampden | 28,692 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Granville Centre Water Co, PWSID MA1112000, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/granville-centre-water-co-ma1112000 (data as of October 1, 2026).