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Twin Brook Manor Condominium

What EPA’s and New York’s records show in this utility’s water: nitrate, arsenic and other regulated chemicals; lead and copper; and violations since 2016, with the certification that handles each result.

Serves
103 people
Connections
41
Water source
Groundwater
Based in
Patterson (T), NY
County
Putnam
Owner
Private
The ZIP code it serves

10512

The short answer

1 result is above the health goal. The worst: Lead, above the health goal. No health-based violations on file since 2016.

What handles it

What was found

Lead and copper: EPA SDWIS monitoring periods ending 1993 to 2024.

Total trihalomethanes (TTHM), nitrate, haloacetic acids (HAA5) and arsenic: New York’s yearly summaries per water system, 2023 to 2024, with EPA’s 2012 to 2019 file for earlier years.

Fluoride and chromium (total): EPA’s compliance monitoring file, samples taken from Jan. 4, 2012 to Jan. 5, 2015. Newer results are in the utility’s annual water quality report.

Above the health goal1

Lead

Comes from pipes, often your own

Above the health goal

2.3ppb

90th percentile, 2022 to 2024

In the latest period, 9 in 10 homes sampled were at or below 2.3 ppb, below EPA’s action level of 15 ppb. The action level drops to 10 ppb on Nov. 1, 2027. EPA’s health goal for lead is zero.

What handles it

Below EPA’s limits5

Total trihalomethanes (TTHM)

Forms or is added in treatment

Below EPA’s limits

32ppb

Highest yearly average, 2023

Averaged by year, the highest was 32 ppb, in 2023, below EPA’s legal limit of 80 ppb. Its highest single sample was 50.4 ppb. That is the only year on file. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 113 ppb, in 2014, and EPA recorded a violation in 2014.

What handles it

  • NSF/ANSI 53 look for “Trihalomethanes (TTHM) Reduction”
  • NSF/ANSI 58 look for “Trihalomethanes (TTHM) Reduction”

Nitrate

Comes from the source

Below EPA’s limits

3.1ppm

Highest sample; found in 2 of 2

2024 average: 3.1 ppm

The highest sample, in 2024, was 3.1 ppm, below EPA’s legal limit of 10 ppm. That was also the latest year on file, and it averaged 3.1 ppm. Earlier, from 2012 to 2019, EPA’s file shows a highest sample of 2.8 ppm, in 2015.

What handles it

  • NSF/ANSI 58 look for “Nitrate/Nitrite Reduction”
  • NSF/ANSI 53 look for “Nitrate/Nitrite (30 ppm challenge)”

Haloacetic acids (HAA5)

Forms or is added in treatment

Below EPA’s limits

6.4ppb

Highest yearly average, 2023

Averaged by year, the highest was 6.4 ppb, in 2023, below EPA’s legal limit of 60 ppb. Its highest single sample was 8.7 ppb. That is the only year on file. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 10 ppb, in 2014.

What handles it

No certification claim covers this compound yet.

Fluoride

Forms or is added in treatment

Below EPA’s limits

0.21ppm

Highest yearly average, 2012 to 2015

2015: not found

Averaged by year, the highest was 0.21 ppm, in 2012, below EPA’s legal limit of 4.0 ppm. In 2015, the latest year on file, it wasn’t found in its one sample.

What handles it

Chromium (total)

Comes from the source

Below EPA’s limits

1.0ppb

Highest yearly average, 2012 to 2015

Averaged by year, the highest was 1.0 ppb, in 2015, below EPA’s legal limit of 100 ppb. That was also the latest year on file.

What handles it

One compound tested and not foundBelow the reporting level in every sample. Not found is not the same as zero.
  • Arsenic

What handles it

A certification covers specific claims, not a whole standard. Look for these claims on the certifier’s listing, not the box. Wording varies a little: NSF writes “Lead Reduction,” WQA just “Lead.”

At the tap, or for the whole house?

Lead and copper usually come from pipes and fixtures inside or near your home. A whole-house system sits where water enters, so it cannot catch what your own plumbing adds after it. For those, the filter that counts is the one at the tap. How whole-house systems compare.

Filters with those claims on a certifier’s listing

Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money

Compare five-year costs

The best water filters for lead, ranked

Violations since 2016

No health-based violations on file with EPA since 2016.

What this report can’t tell you

  • Everything else. Total trihalomethanes (TTHM), nitrate, haloacetic acids (HAA5) and arsenic results here are New York’s own yearly summaries from 2023 on, with EPA’s national file for 2012 to 2019. Fluoride and chromium (total) come from EPA’s file alone, which ends in 2019. Twin Brook Manor Condominium’s own annual report, which it must send you every year, has newer results for those and the contaminants this page does not show.

  • Your own plumbing. Lead results are the 90th percentile across homes the utility samples. Your home’s service line, solder and fixtures decide yours. A certified lab test is the only way to know.

  • What it means for your health. This page reports what the records show and EPA’s limits and goals; it is not medical advice. If you are worried about a health effect, talk to a doctor or your local health department.

  • Anything after the latest data. SDWIS data is from 2026 Q3; UCMR 5 didn’t sample this utility; New York’s yearly summaries cover 2023 to 2024; EPA’s compliance samples are from Jan. 4, 2012 to Jan. 5, 2015.

Testing your own tap

Twin Brook Manor Condominium’s results are for the water it sends out. What your own service line, solder and fixtures add shows up only in a test of your tap, by a lab New York certifies.

The 3 labs New York certifies closest to the area Twin Brook Manor Condominium serves, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Yorktown Medical Laboratory Inc.

    Yorktown Heights, NY · about 12 miles

    Certified for bacteria, nitrate, lead and copper

    (914) 245-3203

  • Pace Analytical Services, LLC-Newburgh

    Newburgh, NY · about 18 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics

    (845) 562-0890

  • Environmental Labworks Inc.

    Marlboro, NY · about 18 miles

    Certified for bacteria

    (845) 236-7823

All 161 certified labs for New York

Sources

PWSID NY3921641. Rebuilt from EPA data on Oct. 18, 2026.

Also in Putnam County

All New York utilities

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