Public water system · CT0670011
ActiveCtwc - London Park Division
At a glance
Ctwc - London Park Division (PWSID CT0670011) is an active community water system in Tolland County, Connecticut. It reports serving 221 people through 78 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in June 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
221
Service connections
78
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ctwc - London Park Division compare with other water systems in Tolland County?
By EPA's size categories, Ctwc - London Park Division is a very small system (500 people or fewer). Tolland County has 296 active public water systems. Its population served is roughly in line with the county average of 202 people per system, and accounts for 0.4% 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 community water system reports serving 6,703 people, so Ctwc - London Park Division 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. Connecticut has 481 active community water systems, 20% 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 Ctwc - London Park Division?
EPA lists Ctwc - London Park Division 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 Ctwc - London Park Division have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in June 2017. The violations listed here began between November 2000 and June 2017. By type: 3 public notice, recordkeeping or other, 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2017-06-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2006-07-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-08-10 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2000-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 7 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.
Ctwc - London Park Division: frequently asked questions
Who runs Ctwc - London Park Division?
Ctwc - London Park Division (PWSID CT0670011) is a community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Ctwc - London Park Division serve?
Ctwc - London Park Division reports serving 221 people through 78 service connections in Tolland County, Connecticut.
Where does Ctwc - London Park Division 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 Ctwc - London Park Division have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in June 2017. 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 Ctwc - London Park Division'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. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in June 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.
Where can I find Ctwc - London Park Division's water quality report?
As a community water system, Ctwc - London Park Division 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 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, “Ctwc - London Park Division, PWSID CT0670011, Connecticut”, https://aquacensus.com/water-systems/connecticut/ctwc-london-park-division-ct0670011 (data as of October 1, 2026).