Nantucket, MA (02554): 8 Violations Recorded for Mapped Water Systems
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Wannacomet Water Company)
EPA records for the water systems mapped to 02554 in Nantucket, MA contain 8 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 8 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result of 0.002 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 535 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) MODERATE
Your Water System
ZIP code 02554 in Nantucket, Massachusetts is mapped to the water system Wannacomet Water Company (EPA ID: MA4197000). This system provides water to approximately 27,703 people from groundwater sources.
There are 2 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Wannacomet Water Company | MA4197000 | 27,703 | Groundwater |
| Siasconset Water Department | MA4197001 | 3,000 | Groundwater |
Other Water Quality Reports in Massachusetts
- 01001 (Agawam)
- 01002 (Amherst) - 1 violation recorded for mapped water systems
- 01003 (Amherst) - 1 violation recorded for mapped water systems
- 01004 (Amherst)
- 01005 (Barre) - 17 violations recorded for mapped water systems
- 01007 (Belchertown)
- 01008 (Blandford) - 2 violations recorded for mapped water systems
- 01009 (Bondsville)
- 01010 (Brimfield)
- 01011 (Chester)
- 01012 (Chesterfield)
- 01013 (Chicopee)
- 01014 (Chicopee)
- 01020 (Chicopee) - 1 violation recorded for mapped water systems
- 01021 (Chicopee)
- 01022 (Chicopee)
- 01026 (Cummington)
- 01027 (Easthampton)
- 01028 (East Longmeadow) - 1 violation recorded for mapped water systems
- 01029 (East Otis)
Nearby Water Quality Reports
- 02584 (Nantucket) - 2 mi
- 02564 (Siasconset) - 7 mi - 8 violations recorded for mapped water systems
- 02539 (Edgartown) - 24 mi
- 02639 (Dennis Port) - 27 mi
- 02670 (West Dennis) - 27 mi
- 02557 (Oak Bluffs) - 27 mi
- 02647 (Hyannis Port) - 27 mi
- 02671 (West Harwich) - 27 mi
- 02646 (Harwich Port) - 28 mi
- 02672 (West Hyannisport) - 28 mi - 1 violation recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Wannacomet Water Company (MA4197000) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 02554 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (11) HIGH
Home & Infrastructure (8) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Nantucket
Based on local data for ZIP 02554, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Nantucket has 535 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 02554 was built around 1986. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 02554 safe to drink?
EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 02554 (primary system: Wannacomet Water Company), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 02554's water come from?
The recorded water source for Wannacomet Water Company, a system mapped to ZIP code 02554, is Groundwater. This system serves approximately 27,703 people.
How can I get my water tested in Nantucket?
If Wannacomet Water Company supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 02554 tap water?
The Lead and Copper Rule record selected for 02554 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 02554?
02554 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Nantucket County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 02554?
FEMA records contain 535 flood insurance claims filed in ZIP code 02554; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Nantucket, MA (02554): 8 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/02554/
@misc{zipcheckup-report-02554,
author = {{ZipCheckup}},
title = {{Nantucket, MA (02554): 8 Violations Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/02554/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 02554
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 02584 | Nantucket, MA | 2.5 mi | N/A | 0 |
| 02564 | Siasconset, MA | 6.8 mi | N/A | 8 |
| 02539 | Edgartown, MA | 24.2 mi | B | 0 |
| 02639 | Dennis Port, MA | 27.2 mi | B | 0 |
| 02670 | West Dennis, MA | 27.2 mi | B | 0 |
| 02557 | Oak Bluffs, MA | 27.4 mi | B | 0 |
| 02647 | Hyannis Port, MA | 27.4 mi | N/A | 0 |
| 02671 | West Harwich, MA | 27.4 mi | N/A | 0 |
| 02646 | Harwich Port, MA | 27.5 mi | N/A | 0 |
| 02672 | West Hyannisport, MA | 27.8 mi | N/A | 1 |
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