CITY WATER REPORT

Is Portland District-greater Tap Water Safe? 2026 Water Quality Report

PORTLAND WATER DISTRICT-GREATER serves Portland District-greater · 135,068 residents.

At a glance
Utility
PORTLAND WATER DISTRICT-GREATER
Population served
135,068
Water source
Surface water
Disinfectant
Pending utility report
Hardness
Pending utility report
PURITY SCORE
98/100
Excellent

Perfluorooctanoic acid (PFOA): not detected (limit 4.0 ng/L).

PFAS (forever chemicals)100/100
Metals & lead95/100

Confidence: moderate. 2 of 3 categories measured; disinfection pending a source. How we score

About this score The Purity Score summarises the public records PurityMap analysed for Portland District-greater. It is not a laboratory test of the water at your tap.

What the record showsGreen means a contaminant was measured and is within its benchmark: a fact about that measurement, not an overall verdict. Anything not yet monitored stays unknown.

4measured within benchmark

PORTLAND WATER DISTRICT-GREATER (EPA PWSID ME0091300) delivers surface water to 135,068 residents. This report reflects 3 federally regulated PFAS result(s) from the 2024 UCMR5 round and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.

Your water system

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PORTLAND WATER DISTRICT-GREATER is the primary municipal supplier for most Portland District-greater addresses. Confirm your supplier on your utility bill.

PORTLAND WATER DISTRICT-GREATER is the public system on record for this city. This identifies which utility serves the city. Confirm yours on your water bill before acting on a specific finding.

What stands out in Portland District-greater

Each row links to a dated measurement in the supplier profile. A missing measurement is never shown as a non-detect.

What this data doesn’t tell you

Public water-system monitoring reflects the system, not the water at an individual household tap at a given moment. Home plumbing, fixtures, storage, sampling location and timing can all change what actually reaches your glass.

The data behind this report

ContaminantResultBenchmarkSampledSource
Perfluorooctanoic acid (PFOA)< 4 ng/L4.0 ng/L federal MCL (2024)2024UCMR5 Analytical Results: PORTLAND WATER DISTRICT-GREATER (ME0091300)
Perfluorooctane sulfonic acid (PFOS)< 4 ng/L4.0 ng/L federal MCL (2024)2024UCMR5 Analytical Results: PORTLAND WATER DISTRICT-GREATER (ME0091300)
Perfluorohexane sulfonic acid (PFHxS)< 10 ng/L10.0 ng/L federal MCL (2024)2024UCMR5 Analytical Results: PORTLAND WATER DISTRICT-GREATER (ME0091300)
Lead (90th percentile)1.9 µg/L15 µg/L federal action level2021-2023Lead & Copper Rule 90th-percentile: PORTLAND WATER DISTRICT-GREATER (ME0091300)

Perfluorooctanoic acid (PFOA)

Result
< 4 ng/L
Benchmark
4.0 ng/L federal MCL (2024)
Sampled
2024

Perfluorooctane sulfonic acid (PFOS)

Result
< 4 ng/L
Benchmark
4.0 ng/L federal MCL (2024)
Sampled
2024

Perfluorohexane sulfonic acid (PFHxS)

Result
< 10 ng/L
Benchmark
10.0 ng/L federal MCL (2024)
Sampled
2024

Lead (90th percentile)

Result
1.9 µg/L
Benchmark
15 µg/L federal action level
Sampled
2021-2023

Every value is the published result from the cited public record. A reporting limit is the lowest level the method could reliably quantify; a non-detect is not a guarantee of zero.

What can you do about it?To reduce exposure to what was reported in Portland District-greater, these treatment technologies are relevant to the contaminants found here.

  • Reverse osmosis
  • NSF/ANSI 53 lead-certified filters
  • Replacing lead service lines

Understand water treatment technologies, then the specific products below are matched to these findings.

Recommended solutions

✓ Best match for what’s on record

NSF/ANSI 53 lead-reduction filter (optional)

lead

Our pick: Brita Large 10-Cup Elite Water Filter Pitcher, WQA NSF/ANSI Certified, Reduces 99% of Lead, Microplastics, & 30 Contaminants, BPA-Free, Removes Chlorine Taste & Odor, 1 Filter Included, White

Recommended because There is no safe level of lead, and older home plumbing can add it at the tap.

Recommendations are matched to the published findings first; the commercial offer is looked up afterwards and never changes which products qualify. As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure.

Frequently asked questions

Who provides tap water in Portland District-greater?

PORTLAND WATER DISTRICT-GREATER (PWS ID ME0091300) is the public water system on record for Portland District-greater, Maine. Confirm the utility on your water bill before acting on a specific finding.

Where does Portland District-greater get its drinking water?

Surface water (primary source of record in EPA SDWIS).

What does the latest Portland District-greater water report show?

Across the tracked parameters, PurityMap's current record for Portland District-greater shows 0 contaminants measured above their benchmark and 4 within benchmark. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.

Is there lead in Portland District-greater's tap water?

In Portland District-greater, lead is detected but within its action level in the published record. Lead can still enter water from household plumbing after it leaves the system, so a system result cannot rule out an individual tap. A certified home test is the only way to know yours.

Are PFAS "forever chemicals" in Portland District-greater's water?

PFAS compounds appear in Portland District-greater's published record; the findings show each one's measured state and how it compares to its benchmark.

Sources

UCMR5 Analytical Results
UCMR5 Analytical Results: PORTLAND WATER DISTRICT-GREATER (ME0091300)
US EPA · 2026-01-15
View source
State SDWIS Compliance Record
Lead & Copper Rule 90th-percentile: PORTLAND WATER DISTRICT-GREATER (ME0091300)
US EPA SDWIS · 2026-07-09
View source

Methodology: how we analyze water. Prepared with AI assistance and reviewed by the PurityMap Editorial Team before publication.

How to read this
The Purity Score above reflects only what has been measured for Portland District-greater. Every finding links to its EPA source, and a contaminant that was never tested is shown as pending, never as a pass.
How we score
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Evidence quality, city-wideThe record, not the water. These describe how completely the city is monitored, not a quality score.
Systems published
1 of 1
Latest sample on record
2024 (PFAS) / LCR (lead)

START WITH THE WATER AT YOUR ADDRESS.