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Public water system record

Mount Kisco Water Department

Serves Mount Kisco, Westchester County, NY · 11,187 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Mount Kisco Water Department in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • NY5903437
  • MOUNT KISCO
  • NY
  • 11,187 served

System profile

Source water Surface water
ZIP 10549
EPA system ID NY5903437

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Mount Kisco Water Department draws water from 4 wells and 1 surface water intake.
  • Most recent formal enforcement: compliance order (no penalty) by New York, June 2000.
  • Record on file since 1993, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 2 lead and 1,604 unknown out of 2,389 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.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
 140 Nov 1, 2024 Resolved No

Full record since 1993

EPA's records for Mount Kisco Water Department go back to 1993. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2000s 1 0
2010 to October 18, 2016 2 3
2020s 1 0

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

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Mar 1, 2016 Resolved
Total Coliform
Contaminant limit exceeded
 Dec 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1993 Resolved

Enforcement actions

New York regulators took 3 formal enforcement actions against Mount Kisco Water Department between 1993 and 2000, filed as 4 records in EPA's data. The most recent was a compliance order (no penalty) in June 2000.

Date By Action Violations covered
Jun 30, 2000 New York Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Jul 30, 1997 New York Compliance order (no penalty) 2 violations (2 health-based): Surface Water Treatment Rule
Jun 29, 1993 New York Consent decree or court judgment 1 violation (1 health-based): Surface Water Treatment Rule

What the violations mean

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Mount Kisco Water Department draws water from 4 wells and 1 surface water intake. It also has an emergency connection to New Castle/Stanwood W.D.

Emergency or part-time connections to

Annual water quality report

Mount Kisco Water Department 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 New York.

Certified drinking water labs by state EPA guidance for private wells