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North Berwick Water District

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
2,125 people
Connections
850
Water source
Groundwater
Based in
North Berwick, ME
County
York
Owner
Local government
The ZIP code it serves

03906

The short answer

1 result is above the health goal. The worst: Lead, above the health goal. 2 health-based violations since 2016.

What handles it

What was found

Lead and copper: EPA SDWIS monitoring periods ending 2005 to 2025.

Copper: EPA’s file records a utility’s copper only when it exceeds the action level. The last here was 1.9 ppm, for the period ending Dec. 31, 1994. None since is on file, so it is not counted as a current finding.

Haloacetic acids (HAA5), arsenic, nitrate and total trihalomethanes (TTHM): Maine’s yearly averages per water system, as CDC’s Environmental Public Health Tracking Network publishes them, 2020 to 2023, with EPA’s 2012 to 2019 file for earlier years.

Chromium (total), fluoride and uranium: EPA’s compliance monitoring file, samples taken from May 1, 2014 to Dec. 6, 2017. 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

4.0ppb

90th percentile, 2023 to 2025

In the latest period, 9 in 10 homes sampled were at or below 4.0 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 limits2

Haloacetic acids (HAA5)

Forms or is added in treatment

Below EPA’s limits

1.2ppb

Highest yearly average, 2020 to 2023

2023: not found

Averaged by year, the highest was 1.2 ppb, in 2021, below EPA’s legal limit of 60 ppb. In 2023, the latest year on file, it wasn’t found.

What handles it

No certification claim covers this compound yet.

Chromium (total)

Comes from the source

Below EPA’s limits

2.0ppb

Highest yearly average, 2014 to 2017

2017, one sample: 1.0 ppb

Averaged by year, the highest was 2.0 ppb, in 2014, below EPA’s legal limit of 100 ppb. In 2017, the latest year on file, its one sample was 1.0 ppb.

What handles it

5 compounds tested and not foundBelow the reporting level in every sample. Not found is not the same as zero.
  • Arsenic
  • Fluoride
  • Nitrate
  • Total trihalomethanes (TTHM)
  • 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

Contaminant or ruleTypePeriodMeasuredStatus
Revised Total Coliform RuleE. coli was confirmed in the water system.EPA: Maximum Contaminant Level Violation, E. coli (RTCR)Nov. 1, 2019 to Nov. 30, 2019—Resolved
Lead and Copper RuleWater chemistry used to keep pipes from corroding was outside the required range.EPA: WQP Entry Point/Tap Treatment Technique Non-ComplianceJan. 1, 2016 to June 30, 2016—Resolved
Health-based violations only. Resolved and archived mean the utility returned to compliance or the state closed the record. 26 monitoring or reporting violations not shown.

What this report can’t tell you

  • Everything else. Haloacetic acids (HAA5), arsenic, nitrate and total trihalomethanes (TTHM) results here are Maine’s yearly averages as CDC publishes them, from 2020 on, with EPA’s national file for 2012 to 2019. Chromium (total), fluoride and uranium come from EPA’s file alone, which ends in 2019. North Berwick Water District’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 Maine cover 2020 to 2023; EPA’s compliance samples are from May 1, 2014 to Dec. 6, 2017.

Testing your own tap

North Berwick Water District’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 Maine certifies.

The 3 labs Maine certifies closest to the area North Berwick Water District serves, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Nelson Analytical Lab - Maine

    Kennebunk, ME · about 11 miles

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

    (207) 467-3478Website: Nelson Analytical Lab - Maine

  • Eurofins Portsmouth

    Portsmouth, NH · about 19 miles

    Certified for bacteria

    (603) 436-2001

  • Seacoast Analytical Services

    Lee, NH · about 20 miles

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

    (603) 868-1457

Maine Health and Environmental Testing Laboratory: Well water test kits ordered online, from a bacteria-only test to full panels for new wells and home sales. The lab must receive the sample within 30 hours of collection. The basic safety test is $42, bacteria alone $27, first-draw lead $32, and the fuller well tests $127 to $147. Maine Private Well and Radiological Water and Air Test.

All 53 certified labs for Maine

Sources

PWSID ME0091120. Rebuilt from EPA data on Oct. 18, 2026.

Also in York County

All Maine utilities

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