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Naval Support Activity - Nw

What EPA’s and CDC’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
1,400 people
Connections
194
Water source
Groundwater
Based in
Chesapeake City, VA
Owner
Federal government
The ZIP code it serves

23322

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 2002 to 2023.

Arsenic and uranium: Virginia’s yearly averages per water system, as CDC’s Environmental Public Health Tracking Network publishes them, 2022 to 2023.

Total trihalomethanes (TTHM), haloacetic acids (HAA5), fluoride, chromium (total) and nitrate: EPA’s compliance monitoring file, samples taken from July 16, 2012 to Aug. 1, 2019. 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

3.0ppb

90th percentile, 2021 to 2023

In the latest period, 9 in 10 homes sampled were at or below 3.0 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 limits3

Total trihalomethanes (TTHM)

Forms or is added in treatment

Below EPA’s limits

68.1ppb

Highest yearly average, 2012 to 2019

2019 average: 47.3 ppb

Averaged by year, the highest was 68.1 ppb, in 2012, below EPA’s legal limit of 80 ppb. Its highest single sample was 75.5 ppb. In 2019, the latest year on file, its two samples averaged 47.3 ppb.

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

18.5ppb

Highest yearly average, 2012 to 2019

2019 average: 11 ppb

Averaged by year, the highest was 18.5 ppb, in 2013, below EPA’s legal limit of 60 ppb. Its highest single sample was 19 ppb. In 2019, the latest year on file, its two samples averaged 11 ppb.

What handles it

No certification claim covers this compound yet.

Fluoride

Forms or is added in treatment

Below EPA’s limits

0.29ppm

Highest yearly average, 2012 to 2018

2018, one sample: 0.2 ppm

Averaged by year, the highest was 0.29 ppm, in 2012, below EPA’s legal limit of 4.0 ppm. Its highest single sample was 0.3 ppm. In 2018, the latest year on file, its one sample was 0.2 ppm.

What handles it

4 compounds tested and not foundBelow the reporting level in every sample. Not found is not the same as zero.
  • Arsenic
  • Chromium (total)
  • Nitrate
  • Uranium

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. There is 1 monitoring or reporting violation: a sample missed, late or not reported.

What this report can’t tell you

  • Everything else. Arsenic and uranium results here are Virginia’s yearly averages as CDC publishes them, from 2022 on, with EPA’s national file for 2012 to 2019. Total trihalomethanes (TTHM), haloacetic acids (HAA5), fluoride, chromium (total) and nitrate come from EPA’s file alone, which ends in 2019. Naval Support Activity - Nw’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; CDC’s yearly averages for Virginia cover 2022 to 2023; EPA’s compliance samples are from July 16, 2012 to Aug. 1, 2019.

Testing your own tap

Naval Support Activity - Nw’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 Virginia certifies.

The 3 labs Virginia certifies closest to the area Naval Support Activity - Nw serves, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • HRSD Central Environmental Laboratory

    Virginia Beach, VA · about 19 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity

    (757) 460-7220

  • Jennings-Thompson Laboratories, Inc.

    Virginia Beach, VA · about 21 miles

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

    (757) 425-1498

  • NAVFAC Mid-Atlantic Environmental Laboratory

    Norfolk, VA · about 21 miles

    Certified for bacteria

    (757) 341-0473

Virginia Household Water Quality Program, Virginia Cooperative Extension: Drinking water clinics in about 70 counties a year, run through local Extension offices: pick up a kit, collect the sample on the set day, and drop it off locally. Each kit tests well, spring or cistern water for 28 things, including bacteria, nitrate, lead and arsenic. $70 a kit, with funding to help if you need it. Virginia Household Water Quality Program.

All 145 certified labs for Virginia

Sources

PWSID VA3550620. Rebuilt from EPA data on Oct. 18, 2026.

Nearby

All Virginia utilities

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