CITY REPORT WA HEALTH VIOLATIONS: 1

Deer Harbor, WA - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs Linked to Systems with Violations
Zone 3
County Radon Potential (Low)
$1.0M
Median Home Value
$300
Est. Remediation (0.0% of home value)

Key Facts for Deer Harbor Residents

  • Your city's water systems recorded 6 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0053 mg/L.
  • Homes built before 1986: 59% - older plumbing may contain lead solder.
  • Estimated remediation: $300 per household.
  • Health risk index (ZipCheckup composite of CDC data): 12.38.

Deer Harbor's Water Providers

Because water system records on this page are matched to Deer Harbor, WA through ZIP codes rather than street addresses, the single system in the list below reflects that matching, while federal data connect 1 to the area overall. Anyone unsure which utility supplies a home can check the water bill or contact the utility directly.

Overview

We track home safety data for 1 ZIP code in Deer Harbor, Washington (population ~337), covering 1 community water system serving approximately 3,711 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Water Sources

Deer Harbor water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0053 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

1 of 1 ZIP records with known zones is in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Haloacetic Acids (HAA5) Disinfection Byproducts 4 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 4 1
Consumer Confidence Rule Reporting 2 1
Surface Water Treatment Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
98243 — 6 1 Eastsound Water Users Association

All ZIP Codes in Deer Harbor

  • 98243 - 6 violations ⚠

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Deer Harbor Community Health Snapshot

10.4%
Asthma (US: 9.8%)
10.9%
Diabetes (US: 10.4%)
13%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 10.4% ↑
Diabetes 10.9% ↑
Mental Health 13% ↓

Vertical line = national average. ■ Above national · ■ Below national

What's in Deer Harbor's Water?

Haloacetic Acids (HAA5) 4 violations
Disinfection Byproducts · EPA regulatory level for the contaminant named above: 0.06 mg/L
Increased cancer risk with long-term exposure above the MCL
Total Trihalomethanes (TTHM) 4 violations
Disinfection Byproducts · EPA regulatory level for the contaminant named above: 0.08 mg/L
Increased cancer risk with long-term exposure above the MCL
Consumer Confidence Rule 2 violations
Reporting

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Deer Harbor Infrastructure Age

1971
Median Build Year
59%
Built Before 1986
33%
Built Before 1970
Copper
Likely Pipe Material

With 59% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Viewed through the lens of construction era, Deer Harbor has a median build year of 1971; houses completed ahead of 1986 can hold lead-bearing solder or fittings.

1971
Median Year Built
59%
Pre-1986 (lead solder era; lead paint banned 1978)
33%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (33%) 1970–1986 (26%) Post-1986 (41%)

Over half of homes in Deer Harbor were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Deer Harbor

This section sets two area figures side by side for Deer Harbor: the median home value and an estimated remediation cost. Here the estimate equals no more than 1% of that value, which places the city in the low tier; it is an area estimate, and the cost for any one property can be higher or lower.

Median Home Value
$1.0M
Est. Remediation
$300
Remediation as % of home value 0.0%

Estimated remediation costs in Deer Harbor can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 123% above the Washington average.

Deer Harbor: Lead Risk & Vulnerable Populations

59%
Homes Built Before 1986
0.0053
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Frequently Asked Questions

How many violations are on record for water systems serving Deer Harbor?
EPA records list 6 EPA violations, including 1 health-based violation for Deer Harbor water systems. These water-system violations are shown for 1 mapped ZIP code.
Does Deer Harbor water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Deer Harbor is 0.0053 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Deer Harbor?
Our records map 1 water system to 1 ZIP code in Deer Harbor. The related population figure in our data is approximately 337 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Deer Harbor?
Estimated remediation cost per household in Deer Harbor: $300; modeled range $150 to $600. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Deer Harbor, WA - Home Safety Score unavailable. https://zipcheckup.com/cities/wa/deer-harbor/
BibTeX
@misc{zipcheckup-cities-wa-deer-harbor,
  author = {{ZipCheckup}},
  title  = {{Deer Harbor, WA - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wa/deer-harbor/}
}

Page version: October 2026.

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