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Public water system record

Old Farm Hill Water District

Serves an area of Westchester County, NY · 1,768 people served

Federal records show 3 health-based violations and 2 monitoring/reporting issues for Old Farm Hill Water District in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • NY5903485
  • VALHALLA
  • NY
  • 1,768 served

System profile

Source water Purchased surface water
ZIP 10595
EPA system ID NY5903485

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Old Farm Hill Water District buys its water from New Castle/Stanwood W.D. and Thornwood Water District.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.071 mg/L, federal limit 0.06 mg/L (1.2 times the limit), 2021.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, October 2022.
  • Record on file since 2016, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 505 service lines.

Check whether Old Farm Hill Water District serves your address

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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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jan 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.071 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 60.64 µg/L, federal limit 60 µg/L (at or just above the limit)
 220 Jan 1, 2019 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
 Jul 1, 2017 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
 Oct 1, 2016 Resolved

Full record since 2016

EPA's records for Old Farm Hill Water District go back to 2016. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 1 1
2020s 2 0

Enforcement actions

EPA took 1 formal enforcement action against Old Farm Hill Water District in 2022. The most recent was a compliance order (no penalty) in October 2022.

Date By Action Violations covered
Oct 6, 2022 EPA Compliance order (no penalty) 2 violations (2 health-based): Haloacetic Acids (HAA5)

What the violations mean

Haloacetic Acids (HAA5)

3 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Old Farm Hill Water District buys its water from New Castle/Stanwood W.D. and Thornwood Water District. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Old Farm Hill 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.

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 New York.

Certified drinking water labs by state EPA guidance for private wells