Public water system record

CTWC - Crystal System

Serves an area of Northeastern Connecticut Planning Region, CT that includes East Brooklyn, Danielson, Dayville and 1 more place · 6,378 people served

Federal records show no health-based violations and 38 monitoring/reporting issues for CTWC - Crystal System in the last ten years.

  • CT0690011
  • CLINTON
  • CT
  • 6,378 served

System profile

Source water Groundwater
ZIP 06413
EPA system ID CT0690011

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
38

Key facts

  • CTWC - Crystal System draws water from 6 wells.
  • Record on file since 1989, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 929 unknown out of 3,024 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
Public Notice
OTHER
Apr 11, 2018 Resolved
Public Notice
OTHER
Apr 11, 2018 Resolved
Public Notice
OTHER
Apr 11, 2018 Resolved
Public Notice
OTHER
Apr 11, 2018 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2014 Resolved
Combined Uranium
Monitoring and reporting
Jan 1, 2014 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2014 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2014 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2014 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2014 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2014 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2014 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2014 Resolved
LASSO
Monitoring and reporting
Jan 1, 2014 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2014 Resolved
Aldicarb
Monitoring and reporting
Jan 1, 2014 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2014 Resolved
Aldicarb sulfone
Monitoring and reporting
Jan 1, 2014 Resolved
Aldicarb sulfoxide
Monitoring and reporting
Jan 1, 2014 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2014 Resolved
Simazine
Monitoring and reporting
Jan 1, 2014 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2014 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2014 Resolved
Diquat
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2014 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2014 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2014 Resolved
Endrin
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1989

EPA's records for CTWC - Crystal System go back to 1989. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 111 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 50
1990s 1 2
2000s 3 20
2010 to October 18, 2016 0 39
October 19, 2016 to 2019 0 4

Most recent health-based violation before October 19, 2016: Total Coliform, began July 2004, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Jul 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2002 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Sep 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 1995 Resolved

Where the water comes from

CTWC - Crystal System draws water from 6 wells. It also has an emergency connection to Putnam Water Pollution Control Authority. 1 other public water system has an emergency connection to CTWC - Crystal System.

Emergency or part-time connections to

Annual water quality report

CTWC - Crystal System 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.