Public water system · CT0540074
ActiveJ.B. Williams Park
At a glance
J.B. Williams Park (PWSID CT0540074) is an active transient non-community water system in Hartford County, Connecticut. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does J.B. Williams Park compare with other water systems in Hartford County?
By EPA's size categories, J.B. Williams Park is a very small system (500 people or fewer). Hartford County has 219 active public water systems. Its population served is well below the county average of 3,818 people per system, and accounts for less than 0.1% of the 836,032 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so J.B. Williams Park is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Connecticut has 1,399 active transient non-community water systems, 59% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.
Who owns and regulates J.B. Williams Park?
EPA lists J.B. Williams Park as owned by a local government. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 30 of the 219 active systems in Hartford County (14%) are also owned by a local government.
Does J.B. Williams Park have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024. The violations listed here began between April 2005 and October 2024. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other, 1 monitoring, 1 required treatment not met, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-09-04 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-01-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-10-14 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-08-02 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-08-02 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-08-02 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-04-11 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
J.B. Williams Park: frequently asked questions
Who runs J.B. Williams Park?
J.B. Williams Park (PWSID CT0540074) is a transient non-community water system owned by a local government. It is regulated by the CT state drinking water program.
How many people does J.B. Williams Park serve?
J.B. Williams Park reports serving 25 people through 1 service connection in Hartford County, Connecticut.
Where does J.B. Williams Park 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 J.B. Williams Park have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024. 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 J.B. Williams Park'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, 2 are health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find J.B. Williams Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. J.B. Williams Park is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Hartford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Metropolitan District Commission | Hartford | 390,887 | Community | Surface water |
| Ctwc - Northern Reg-Western System | Hartford | 101,313 | Community | Surface water |
| New Britain Water Department | Hartford | 73,534 | Community | Surface water |
| Bristol Water Department | Hartford | 52,079 | Community | Surface water |
| Manchester Water Department | Hartford | 51,198 | Community | Surface water |
| Southington Water Department | Hartford | 43,069 | Community | 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, “J.B. Williams Park, PWSID CT0540074, Connecticut”, https://aquacensus.com/water-systems/connecticut/j-b-williams-park-ct0540074 (data as of October 1, 2026).