MASHANTUCKET, CT · New London County
PRESTON PLAINS WATER COMPANY Water System
Consumer Confidence Report status
PRESTON PLAINS WATER COMPANY 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 PRESTON PLAINS WATER COMPANY.
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)
- CT1140011
- System type
- Community Water System
- Population served
- 550
- Service connections
- 107
- Ownership
- privately owned
- Water source
- groundwater (wells)
PRESTON PLAINS WATER COMPANY is one of 84 community water systems in Connecticut in the 501 to 3,300 people size category, serving 550 people from groundwater.
As of August 1, 2026, its federal record holds 11 entries between 2013 and 2025, all of which EPA lists as closed.
Of the 11, 4 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 the Consumer Confidence Rule, the Lead and Copper Rule, and the Total Coliform Rules.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2025 – November 25, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – September 15, 2025
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2024 – January 28, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – October 3, 2022
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2021 – February 24, 2022
ResolvedMaximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
September 1, 2021 – September 30, 2021
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2021 – July 2, 2021
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2018 – February 5, 2019
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
October 10, 2018 – December 3, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 9, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2013 – June 30, 2013
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 10, 2025 – November 25, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2025 – September 15, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 30, 2024 – January 28, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2022 – October 3, 2022 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 30, 2021 – February 24, 2022 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| September 1, 2021 – September 30, 2021 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| July 1, 2021 – July 2, 2021 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 30, 2018 – February 5, 2019 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 10, 2018 – December 3, 2018 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2018 – July 9, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2013 – June 30, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 28, 2025State Compliance achieved4 linked violations
- February 24, 2022State Violation/Reminder Notice2 linked violations
- September 9, 2021State Violation/Reminder Notice1 linked violation
- July 2, 2021State Compliance achieved4 linked violations
- January 11, 2019State Violation/Reminder Notice4 linked violations
- December 3, 2018State Public Notification requested2 linked violations
- July 31, 2013State Compliance achieved5 linked violations
- July 9, 2013State Violation/Reminder Notice3 linked violations
- March 30, 2011State Violation/Reminder Notice2 linked violations
- January 31, 2011State Compliance achieved3 linked violations
- January 10, 2011State Public Notification requested2 linked violations
- May 5, 1994State Compliance achieved4 linked violations
- July 15, 1991State Public Notification requested1 linked violation
- July 1, 1991State Compliance achieved1 linked violation
Common questions
Is PRESTON PLAINS WATER COMPANY required to publish a Consumer Confidence Report?
- Yes. PRESTON PLAINS WATER COMPANY 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 PRESTON PLAINS WATER COMPANY’s next Consumer Confidence Report due?
- PRESTON PLAINS WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PRESTON PLAINS WATER COMPANY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for PRESTON PLAINS WATER COMPANY.
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
CHARITY, BRYAN
860-396-7552
MASHANTUCKET, CT 06338-3060