ZIP Code 03911 Water Quality Report
York Harbor, ME · York County County
Water Safety Grade
Poor — Multiple violations recorded
Health Violations
0
Total Violations
0
Lead Risk
Moderate
Contaminants
0
About Tap Water in ZIP Code 03911
Tap water in ZIP code 03911 (York Harbor, ME) has received a D grade (score: 45/100) — below average for the nation. YORK WATER DISTRICT has recorded notable violations with EPA Safe Drinking Water Act regulations. Residents may want to consider additional filtration and review their annual Consumer Confidence Report.
Water System
YORK WATER DISTRICT
EPA ID: ME0091680
Water Source
Surface Water
Population Served
13,675 residents
County
York County County, Maine
Lead Levels in ZIP 03911
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Data Not Available
Lead exposure risk in 03911 is rated Moderate. EPA models estimate a 34% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
YORK WATER DISTRICT has recorded zero violations in the EPA compliance database over the past 5 years — a strong indicator of consistent regulatory compliance and careful monitoring.
Contaminants Detected
Contaminants with health-based violations on record
No health-based contaminant violations are on record for ZIP code 03911. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.
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.
Highest potential
Estimated annual flood-related costs per property
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.
🛡 What Should You Do? — ZIP 03911 Recommendations
Serious water quality concerns — action recommended
- 🚨 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 YORK WATER DISTRICT 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
Frequently Asked Questions — ZIP 03911 Water Quality
Is tap water safe to drink in ZIP code 03911?+
What is the lead level in 03911 tap water?+
Who provides tap water to 03911?+
What is the water source for 03911?+
Does 03911 have any active water quality violations?+
How do I get a copy of my water quality report for 03911?+
What water filter should I use in 03911?+
Is 03911 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 03911 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 YORK WATER DISTRICT. 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 →