Public water system record

Aquarion-Mystic

Serves Mystic, Old Mystic and Stonington, Southeastern Connecticut Planning Region, CT · 10,788 people served

Federal records show no health-based violations and 36 monitoring/reporting issues for Aquarion-Mystic in the last ten years.

  • CT1370011
  • SHELTON
  • CT
  • 10,788 served

System profile

Source water Surface water
ZIP 06484
EPA system ID CT1370011

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
36

Key facts

  • Aquarion-Mystic draws water from 1 well, 1 surface water intake and 2 reservoirs.
  • Record on file since 1986, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 1 lead and 4,756 unknown out of 5,285 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
Aug 10, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2018 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2018 Resolved
Styrene
Monitoring and reporting
Jan 1, 2018 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2018 Resolved
Toluene
Monitoring and reporting
Jan 1, 2018 Resolved
Benzene
Monitoring and reporting
Jan 1, 2018 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2018 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2018 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2018 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2018 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2018 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2018 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2018 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2018 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2018 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2018 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2018 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2018 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2018 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2018 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2018 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2018 Resolved
Selenium
Monitoring and reporting
Jan 1, 2016 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2016 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2016 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2016 Resolved
Nickel
Monitoring and reporting
Jan 1, 2016 Resolved
Mercury
Monitoring and reporting
Jan 1, 2016 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2016 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2016 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2016 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2016 Resolved
Barium
Monitoring and reporting
Jan 1, 2016 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2016 Resolved

Full record since 1986

EPA's records for Aquarion-Mystic go back to 1986. Before October 19, 2016 they list no health-based violations and 22 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 8
1990s 0 1
2000s 0 1
2010 to October 18, 2016 0 12
October 19, 2016 to 2019 0 24

Where the water comes from

Aquarion-Mystic draws water from 1 well, 1 surface water intake and 2 reservoirs. It also buys water from Groton Utilities. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from Aquarion-Mystic.

Buys water from

Community systems that buy water from it

Annual water quality report

Aquarion-Mystic must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Connecticut.