ZIP Code 04649 Water Quality & Testing Report
Jonesport, ME · Washington County County · Updated for 2026
Compiled & verified by Sahajul Haque from official EPA SDWIS recordsIs Tap Water Safe to Drink in ZIP 04649 (Jonesport, ME)?
Caution / Filtration Recommended: Tap water in ZIP code 04649 (Jonesport, ME) has compliance concerns, earning an EPA Safety Grade of C (59/100) due to 12 health violation(s) and 4.2 ppb lead. While treated by Gaelic Square Housing, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.
Water Safety Grade
Fair — Some compliance concerns
Health Violations
12
Total Violations
16
Lead Risk
High
Contaminants
4
Active Water Quality Issues Detected
EPA records show 4 unresolved violations. Contact Gaelic Square Housing for current status.
About Tap Water in ZIP Code 04649
Tap water in ZIP code 04649 (Jonesport, ME) is distributed by Gaelic Square Housing (EPA ID: ME0090745), serving approximately 50 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of C with a composite quality score of 59/100.
Water System
Gaelic Square Housing
EPA ID: ME0090745
Water Source
Ground Water
Population Served
50 residents
County
Washington County County, Maine
Lead Levels in ZIP 04649
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 4.2 ppb — Very Low
Lead exposure risk in 04649 is rated High. EPA models estimate a 50% exposure probability based on housing and infrastructure age.
EPA action level: 1.3 mg/L
EPA model estimate based on housing age and infrastructure
Water Hardness & Mineral Content
Grains per gallon (GPG) & Parts per million (PPM / mg/L)
Water in ZIP 04649 is Moderately Hard (92 mg/L / 5.4 GPG). It contains beneficial natural minerals like calcium and magnesium without causing heavy scale accumulation.
Grains per gallon
Parts per million CaCO3
Official EPA SDWIS Database Entry
Utility: Gaelic Square Housing · PWSID: ME0090745
Violation History
Past 5 years — EPA SDWIS data
Gaelic Square Housing has recorded 12 health-based violations out of 16 total violations over the past 5 years. 4 violations remain unresolved in EPA tracking records.
Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 4 contaminants with health-based violations in the past 5 years: Haloacetic Acids (HAA5), Stage 1 DBP Rule, Total Trihalomethanes (TTHM), E. coli.
⚖ Enforcement Actions
Water Source & Environmental Factors
Ground Water
This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.
Moderate potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.
Water Quality Testing in ZIP 04649
Tap Water & Well Testing Recommendations
Residents in ZIP code 04649 served by Gaelic Square Housing 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.
🛡 What Should You Do? — ZIP 04649 Recommendations
Some compliance concerns — take precautions
- ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
- ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
- ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
- ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791
Recommended Water Treatment Systems:
NSF 53 Lead Pitcher Filter
Specifically certified to reduce lead and copper at the tap.
NSF 58 Under-Sink RO System
Advanced filtration for PFAS, fluoride, nitrates, and organic chemicals.
Frequently Asked Questions — ZIP 04649 Water Quality
Is tap water safe to drink in ZIP code 04649?+
How do I get my water tested in ZIP 04649 (Jonesport, ME)?+
How hard is the tap water in 04649?+
Should I test private well water in 04649?+
What is the lead level in 04649 tap water?+
Is there an active boil water notice in 04649?+
Who provides tap water to 04649?+
What water filter should I use in 04649?+
Data Sources & Methodology
Water quality data for ZIP code 04649 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 Gaelic Square Housing. 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 →