SHELTON, CT · Fairfield County

AQUARION-POSSUM RIDGE Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): CT0910041
System type: Community Water System
Population served: 307
Service connections: 106
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Uranium
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2005 – December 31, 2005
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2004 – September 30, 2004
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1994 – September 21, 1994
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring, Regular	Combined Uranium	—	Archived
July 1, 2005 – September 30, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 1994 – September 21, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 15, 2021State Public Notification received3 linked violations
June 30, 2021State Compliance achieved3 linked violations
April 8, 2021State Public Notification requested3 linked violations
April 8, 2021State Violation/Reminder Notice2 linked violations
July 9, 2018State Compliance achieved4 linked violations
July 24, 2006State Compliance achieved23 linked violations
June 22, 2006State Violation/Reminder Notice10 linked violations
March 30, 2006State Violation/Reminder Notice10 linked violations
January 23, 2006State Public Notification requested9 linked violations
January 23, 2006State Violation/Reminder Notice72 linked violations
October 24, 2005State Violation/Reminder Notice14 linked violations
October 24, 2005State Public Notification requested78 linked violations
September 30, 2005State Compliance achieved38 linked violations
August 1, 2005State Public Notification requested84 linked violations
August 1, 2005State Violation/Reminder Notice22 linked violations

Contact

ULRICH, ROBERT J.

203-926-4320

SHELTON, CT 06484