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Delphi Falls Park

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
78 people
Connections
35
Water source
Groundwater
Based in
Pompey (T), NY
County
Onondaga
Owner
Private
The ZIP code it serves

13051

The short answer

1 result is above EPA’s legal limit. The worst: Arsenic, above the legal limit. 4 health-based violations since 2016.

What handles it

What was found

Arsenic, total trihalomethanes (TTHM), haloacetic acids (HAA5) and nitrate: New York’s yearly summaries per water system, 2020 to 2024, with EPA’s 2012 to 2019 file for earlier years.

Fluoride and chromium (total): EPA’s compliance monitoring file, samples taken from April 3, 2012 to April 24, 2018. Newer results are in the utility’s annual water quality report.

Above the legal limit1

Arsenic

Comes from the source

Above the legal limit

10.1ppb

Highest yearly average, 2020 to 2024

2024 average: 7.2 ppb

Averaged by year, the highest was 10.1 ppb, in 2023, which EPA rounds to 10 ppb to compare: at its legal limit of 10 ppb, not above it. Its highest single sample was 18 ppb. In 2024, the latest year on file, it averaged 7.2 ppb. EPA judges this limit at each sampling point, and recorded a violation for arsenic at this utility in 2023. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 10 ppb, in 2013, and EPA recorded a violation in 2013.

What handles it

  • NSF/ANSI 58 look for “Arsenic (Pentavalent)<=50 ppb Reduction”
  • NSF/ANSI 53 look for “Arsenic (Pentavalent)<=50 ppb Reduction”

Below EPA’s limits4

Fluoride

Forms or is added in treatment

Below EPA’s limits

0.8ppm

Highest yearly average, 2012 to 2018

2018 average: 0.8 ppm

Averaged by year, the highest was 0.8 ppm, in 2012, below EPA’s legal limit of 4.0 ppm. Its highest single sample was 1.2 ppm. In 2018, the latest year on file, its two samples averaged 0.8 ppm.

What handles it

Total trihalomethanes (TTHM)

Forms or is added in treatment

Below EPA’s limits

4.4ppb

Highest yearly average, 2020 to 2022

Averaged by year, the highest was 4.4 ppb, in 2022, below EPA’s legal limit of 80 ppb. That was also the latest year on file. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 7.8 ppb, in 2016.

What handles it

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

Haloacetic acids (HAA5)

Forms or is added in treatment

Below EPA’s limits

2.0ppb

Highest yearly average, 2020 to 2022

2022 average: 1.0 ppb

Averaged by year, the highest was 2.0 ppb, in 2020, below EPA’s legal limit of 60 ppb. In 2022, the latest year on file, it averaged 1.0 ppb. Earlier, from 2012 to 2019, EPA’s file shows a highest yearly average of 2.1 ppb, in 2016.

What handles it

No certification claim covers this compound yet.

Chromium (total)

Comes from the source

Below EPA’s limits

0.68ppb

Highest yearly average, 2012 to 2018

2018: not found

Averaged by year, the highest was 0.68 ppb, in 2015, below EPA’s legal limit of 100 ppb. Its highest single sample was 1.6 ppb. In 2018, the latest year on file, it wasn’t found in any of its two samples.

What handles it

2 compounds tested and not foundBelow the reporting level in every sample. Not found is not the same as zero.
  • Lead
  • Nitrate

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.”

  • NSF/ANSI 53

    Claim: Arsenic (Pentavalent)<=50 ppb Reduction

    For: Arsenic

    Other certifiers’ wording: Arsenic (III) (50 ppb influent level)

  • NSF/ANSI 58

    Claim: Arsenic (Pentavalent)<=50 ppb Reduction

    For: Arsenic

    Other certifiers’ wording: Arsenic (Pentavalent)<=300 ppb Reduction; Arsenic (V) (300 ppb influent level)

At the tap, or for the whole house?

These come with the water itself, so a whole-house system certified for the same claims treats every tap and shower. A filter at the tap treats drinking water for much less. 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

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The best reverse osmosis systems, ranked

Violations since 2016

Contaminant or ruleTypePeriodMeasuredStatus
ArsenicThe running average was above the legal limit.EPA: Maximum Contaminant Level Violation, AverageOct. 1, 2023 to Dec. 31, 202311.4 UG/LResolved
ArsenicThe running average was above the legal limit.EPA: Maximum Contaminant Level Violation, AverageJuly 1, 2023 to Sept. 30, 202312.1 UG/LResolved
ArsenicThe running average was above the legal limit.EPA: Maximum Contaminant Level Violation, AverageApril 1, 2023 to June 30, 202311.8 UG/LResolved
ArsenicThe running average was above the legal limit.EPA: Maximum Contaminant Level Violation, AverageJan. 1, 2023 to March 31, 202311.7 UG/LResolved
Health-based violations only. Resolved and archived mean the utility returned to compliance or the state closed the record. 9 monitoring or reporting violations not shown.

What this report can’t tell you

  • Everything else. Arsenic, total trihalomethanes (TTHM), haloacetic acids (HAA5) and nitrate results here are New York’s own yearly summaries from 2020 on, with EPA’s national file for 2012 to 2019. Fluoride and chromium (total) come from EPA’s file alone, which ends in 2019. Delphi Falls Park’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 2020 to 2024; EPA’s compliance samples are from April 3, 2012 to April 24, 2018.

Testing your own tap

Delphi Falls Park’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 Delphi Falls Park serves, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • A & P Water Testing

    Morrisville, NY · about 12 miles

    Certified for bacteria

    (315) 684-3169

  • Certified Environmental Services Inc.

    North Syracuse, NY · about 21 miles

    Certified for bacteria, nitrate, minerals and other inorganics

    (315) 478-2374

  • Microbac New York-Cortland

    Cortland, NY · about 26 miles

    Certified for bacteria

    (607) 753-3403

All 161 certified labs for New York

Sources

PWSID NY3300991. Rebuilt from EPA data on Oct. 18, 2026.

Also in Onondaga County

All New York utilities

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