Public water system · CT1600094
ActiveWillington Mobil
At a glance
Willington Mobil (PWSID CT1600094) is an active transient non-community water system in Tolland County, Connecticut. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2023.
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 Willington Mobil compare with other water systems in Tolland County?
By EPA's size categories, Willington Mobil is a very small system (500 people or fewer). Tolland County has 296 active public water systems. Its population served is well below the county average of 202 people per system, and accounts for less than 0.1% of the 59,796 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 Willington Mobil 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 Willington Mobil?
EPA lists Willington Mobil as privately owned. 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. 253 of the 296 active systems in Tolland County (85%) are also privately owned.
Does Willington Mobil have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2023. The violations listed here began between February 2023 and December 2023. By type: 4 monitoring, 4 monitoring and reporting, 2 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 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 |
|---|---|---|---|---|
| 2023-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-12-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Resolved |
| 2023-11-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Resolved |
| 2023-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-09-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Resolved |
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-06-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-04-16 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-02-18 | Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-02-13 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | 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.
Willington Mobil: frequently asked questions
Who runs Willington Mobil?
Willington Mobil (PWSID CT1600094) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Willington Mobil serve?
Willington Mobil reports serving 25 people through 1 service connection in Tolland County, Connecticut.
Where does Willington Mobil 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 Willington Mobil 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 December 2023. 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 Willington Mobil'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 December 2023. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find Willington Mobil's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Willington Mobil 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 Tolland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| University of Connecticut - Main Campus | Tolland | 27,199 | Community | Purchased surface water |
| Ctwc - Hebron Center Division | Tolland | 1,927 | Community | Groundwater |
| Coventry High & Nathan Hale Schools | Tolland | 1,252 | Non-transient non-community | Groundwater |
| Tolland Water Department | Tolland | 1,251 | Community | Groundwater |
| Ctwc - Amston Lake Division | Tolland | 910 | Community | Groundwater |
| Horace Porter School | Tolland | 797 | Non-transient non-community | Groundwater |
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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, “Willington Mobil, PWSID CT1600094, Connecticut”, https://aquacensus.com/water-systems/connecticut/willington-mobil-ct1600094 (data as of October 1, 2026).