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WaterSafeCheck
Official EPA SDWIS Verified ReportWater Quality & Testing GuideStatus: Normal Operations

ZIP Code 04019 Water Quality & Testing Report

Cliff Island, ME · Cumberland County County · Updated for 2026

Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 04019 (Cliff Island, ME)?

Caution / Filtration Recommended: Tap water in ZIP code 04019 (Cliff Island, ME) has compliance concerns, earning an EPA Safety Grade of D (40/100) due to 0 health violation(s) and 0 ppb lead. While treated by PORTLAND WATER DISTRICT-GREATER, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
D

Water Safety Grade

Poor — Multiple violations recorded

Health Violations

0

Total Violations

0

Lead Risk

High

Contaminants

0

About Tap Water in ZIP Code 04019

Tap water in ZIP code 04019 (Cliff Island, ME) is distributed by PORTLAND WATER DISTRICT-GREATER (EPA ID: ME0091300), serving approximately 135,068 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of D with a composite quality score of 40/100.

Water System

PORTLAND WATER DISTRICT-GREATER

EPA ID: ME0091300

Water Source

Surface Water

Population Served

135,068 residents

County

Cumberland County County, Maine

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Lead Levels in ZIP 04019

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Data Not Available

Lead testing data was not found in EPA records for ZIP code 04019. Contact PORTLAND WATER DISTRICT-GREATER to request lead testing results.

Lead exposure risk in 04019 is rated High. EPA models estimate a 65% exposure probability based on housing and infrastructure age.

Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

65%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Moderately Hard3.6 GPG · 62 mg/L

Water in ZIP 04019 is Moderately Hard (62 mg/L / 3.6 GPG). It contains beneficial natural minerals like calcium and magnesium without causing heavy scale accumulation.

Recommendation: A water softener is optional. Regular maintenance of hot water appliances is recommended.
Hardness (GPG)

Grains per gallon

3.6 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

62 mg/L
Appliance Scaling Risk
Low / Moderate

Official EPA SDWIS Database Entry

Utility: PORTLAND WATER DISTRICT-GREATER · PWSID: ME0091300

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

PORTLAND WATER DISTRICT-GREATER has recorded zero violations in the EPA compliance database over the past 5 years.

Total Violations (5 yr)
0
Health-Based Violations
0
Unresolved Violations
0
Boil Water Advisories
0
Compliance Risk
Unknown
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Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 04019 under the Safe Drinking Water Act.

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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
EPA Radon Zone

Highest potential

Zone 1
Energy Burden

% of household income spent on energy — indicator of older infrastructure

3.73%

EPA Radon Zone 1 — highest potential for radon in indoor air. Homeowners should test their home for radon and consider mitigation if levels exceed 4 pCi/L.

Water Quality Testing in ZIP 04019

Tap Water & Well Testing Recommendations

Residents in ZIP code 04019 served by PORTLAND WATER DISTRICT-GREATER can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Maine Center for Disease Control and Prevention.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in ME for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 04019 Recommendations

  • 🚨 Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
  • 🚨 Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
  • 🚨 Contact PORTLAND WATER DISTRICT-GREATER to request the current violation status and corrective action plan
  • 🚨 Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
  • 🚨 Consider having your home's tap water independently tested by a certified lab

Recommended Water Treatment Systems:

REQUIRED FOR SAFETY
🏺

NSF 53 Lead Pitcher Filter

Certified to remove lead. Recommended for immediate protection.

Lead Filter Guide →
STRONGLY RECOMMENDED
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NSF 58 Under-Sink RO System

Reverse Osmosis system certified to remove PFAS, heavy metals, and viruses.

RO System Guide →

Frequently Asked Questions — ZIP 04019 Water Quality

Is tap water safe to drink in ZIP code 04019?+
Tap water in 04019 has a below-average safety grade of D due to compliance issues. We recommend using a certified water filter for drinking and cooking.
How do I get my water tested in ZIP 04019 (Cliff Island, ME)?+
To test water quality in ZIP 04019, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in ME. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Maine Center for Disease Control and Prevention for a list of certified regional labs.
How hard is the tap water in 04019?+
Tap water in 04019 is classified as Moderately Hard with an estimated mineral hardness of 62 mg/L (3.6 GPG). A water softener is optional. Regular maintenance of hot water appliances is recommended.
Should I test private well water in 04019?+
Yes. Unlike municipal systems, private wells in 04019 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 04019 tap water?+
Lead level data is not available in EPA records for 04019. Contact your utility for details.
Is there an active boil water notice in 04019?+
There are currently no active boil water advisories on record for 04019. Water treatment systems are operating within normal parameters.
Who provides tap water to 04019?+
Tap water in ZIP code 04019 is provided by PORTLAND WATER DISTRICT-GREATER (EPA ID: ME0091300), serving approximately 135,068 residents.
What water filter should I use in 04019?+
Based on water metrics for 04019, we recommend Lead & Microplastic Filter. Look for certifications such as NSF/ANSI 53 (Lead Reduction), NSF/ANSI 42 (Particulate/Taste).

Data Sources & Methodology

Water quality data for ZIP code 04019 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by PORTLAND WATER DISTRICT-GREATER. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →