Public water system record

Dering Harbor Water District

Serves Springs and Dering Harbor, Suffolk County, NY · 14 people served

Federal records show no health-based violations and no monitoring or reporting issues for Dering Harbor Water District in the last ten years.

  • NY5103700
  • SHELTER ISLAND HEIGHTS
  • NY
  • 14 served

System profile

Source water Groundwater
ZIP 11965
EPA system ID NY5103700

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
0

Key facts

  • Dering Harbor Water District draws water from 1 well.
  • Record on file since 1994, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 42 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, and no monitoring or reporting violations either.

Full record since 1994

EPA's records for Dering Harbor Water District go back to 1994. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 32 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 1
2000s 0 29
2010 to October 18, 2016 0 2

Most recent health-based violation before October 19, 2016: Total Coliform, began October 1994, Archived.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Oct 1, 1994 Archived
Total Coliform (acute)
Contaminant limit exceeded
Oct 1, 1994 Archived

Where the water comes from

Dering Harbor Water District draws water from 1 well.

Annual water quality report

Dering Harbor Water District 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Dering Harbor Water District for a copy.

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 New York.