Public water system · CT0110114
ActivePenwood State Park/Main Park Well
At a glance
Penwood State Park/Main Park Well (PWSID CT0110114) is an active transient non-community water system in Hartford County, Connecticut. It reports serving 700 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
700
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Penwood State Park/Main Park Well compare with other water systems in Hartford County?
By EPA's size categories, Penwood State Park/Main Park Well is a small system (501 to 3,300 people). 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 Penwood State Park/Main Park Well is about 4.9 times 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 Penwood State Park/Main Park Well?
EPA lists Penwood State Park/Main Park Well as owned by a state 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. 6 of the 219 active systems in Hartford County (2.7%) are also owned by a state government.
Does Penwood State Park/Main Park Well have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2014. The violations listed here began between July 2002 and January 2014. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
Penwood State Park/Main Park Well: frequently asked questions
Who runs Penwood State Park/Main Park Well?
Penwood State Park/Main Park Well (PWSID CT0110114) is a transient non-community water system owned by a state government. It is regulated by the CT state drinking water program.
How many people does Penwood State Park/Main Park Well serve?
Penwood State Park/Main Park Well reports serving 700 people through 4 service connections in Hartford County, Connecticut.
Where does Penwood State Park/Main Park Well 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 Penwood State Park/Main Park Well have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2014. 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 Penwood State Park/Main Park Well'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 5 violations for this system; none is health-based, and the most recent began in January 2014. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find Penwood State Park/Main Park Well's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Penwood State Park/Main Park Well 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, “Penwood State Park/Main Park Well, PWSID CT0110114, Connecticut”, https://aquacensus.com/water-systems/connecticut/penwood-state-park-main-park-well-ct0110114 (data as of October 1, 2026).