NY / Greenwood Lake
NY · Tap water records
Greenwood Lake tap water, in plain English
Here is what the EPA's own data shows about tap water in Greenwood Lake. According to EPA SDWIS data retrieved June 2026, Greenwood Lake is served by 1 active community water system, together reported to serve about 3,383 people.
As of June 2026, EPA records show 26 violations across the community water system(s) serving Greenwood Lake, going back to the earliest EPA record. 8 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.
What the EPA has on record, by system
Greenwood Lake Village
3,383 served · surface water · PWSID NY3503530 - Health-based PERFLUOROCTANE SULFONIC ACID (PFOS): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in October 2023. The EPA record lists a level of 11.9 NG/L; the limit (MCL) is 10 NG/L. All have since returned to compliance, per EPA records.
- Health-based PERFLUOROCTANOIC ACID (PFOA): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded once in October 2023. The EPA record lists a level of 10.4 NG/L; the limit (MCL) is 10 NG/L. All have since returned to compliance, per EPA records.
- Health-based TTHM: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 6 times between July 2022 and October 2022. The EPA record lists a level of 89.5 UG/L; the limit (MCL) is 80 UG/L. EPA records do not show all of these as returned to compliance.
- Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 3 times in May 2024. EPA records do not show all of these as returned to compliance.
- Monitoring contaminant code null: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between April 2019 and December 2021. All have since returned to compliance, per EPA records.
- Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 11 times between October 2008 and July 2021. EPA records do not show all of these as returned to compliance.
What this means
A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.
This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.
Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.