CLINTON, CT · Tolland County
CTWC - AMSTON LAKE DIVISION Water System
Consumer Confidence Report status
CTWC - AMSTON LAKE DIVISION must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CTWC - AMSTON LAKE DIVISION.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.
System facts
- System ID (PWSID)
- CT0670331
- System type
- Community Water System
- Population served
- 910
- Service connections
- 325
- Ownership
- privately owned
- Water source
- groundwater (wells)
CTWC - AMSTON LAKE DIVISION is one of 84 community water systems in Connecticut in the 501 to 3,300 people size category, serving 910 people from groundwater.
As of August 1, 2026, its federal record holds 28 entries in 2014, all of which EPA lists as closed. Nothing has been added since 2014.
All 28 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Endrin
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Dalapon
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Diquat
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—OXAMYL
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—2,4-D
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 2014 – December 31, 2016
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 2014 – December 31, 2016
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Endrin | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dalapon | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | OXAMYL | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Methoxychlor | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 2,4-D | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Ethylbenzene | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 23, 2019State Intentional no-action55 linked violations
- April 10, 2018State Public Notification received54 linked violations
- April 10, 2017State Violation/Reminder Notice54 linked violations
- April 10, 2017State Public Notification requested55 linked violations
- June 14, 2011State Intentional no-action3 linked violations
- August 22, 2007State Violation/Reminder Notice2 linked violations
- August 22, 2007State Public Notification requested4 linked violations
- June 22, 2006State Violation/Reminder Notice44 linked violations
- March 31, 2006State Compliance achieved10 linked violations
- November 15, 2005State Violation/Reminder Notice5 linked violations
- February 10, 1993State Compliance achieved12 linked violations
- January 27, 1993State Public Notification requested12 linked violations
Common questions
Is CTWC - AMSTON LAKE DIVISION required to publish a Consumer Confidence Report?
- Yes. CTWC - AMSTON LAKE DIVISION is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CTWC - AMSTON LAKE DIVISION’s next Consumer Confidence Report due?
- CTWC - AMSTON LAKE DIVISION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CTWC - AMSTON LAKE DIVISION have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CTWC - AMSTON LAKE DIVISION.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
LOWRY, PAUL C.
860-944-9655
CLINTON, CT 06413