CITY REPORT AL

Dauphin Island, AL: 4 Violations - Home Safety 99/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Dauphin Island: A.

No federal data flags a major home-safety concern for this ZIP.

EPA compliance records for Dauphin Island tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within AL.

How Dauphin Island Compares

Dauphin Island99/100
Alabama avg72/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
A · 99
Avg Safety Score
Zone 3
Radon Risk (Low)
$387K
Median Home Value
$1,800
Est. Remediation (0.5% of home value)

What You Should Know About Dauphin Island Water

  • Your city's water systems recorded 4 violations in the past 5 years.
  • Average lead level: 0.001 mg/L.
  • Homes built before 1986: 35% - older plumbing may contain lead solder.
  • Estimated remediation: $1,800 per household.
  • CDC health risk index: 14.59 - above typical levels.

Who Supplies Your Water in Dauphin Island

A single dominant system supplies most of Dauphin Island, AL. That utility controls infrastructure decisions, rate structures, and EPA compliance reporting for most residential addresses served across those 1 tracked system.

Overview

We track home safety data for 1 ZIP code in Dauphin Island, Alabama (population ~1,944), covering 1 community water system serving approximately 5,802 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. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Dauphin Island: A (99/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Dauphin Island water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0010 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

Dominant radon zone: Zone 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Gross Alpha Radionuclides 2 1
Radium-226 Radionuclides 2 1
Radium-228 Radionuclides 2 1
Contaminant 4100 Other 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
36528 A 4 0 Dauphin Island Water & Sewer

All ZIP Codes in Dauphin Island

  • 36528 [A] - 4 violations

Data Sources

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

Health Outcomes in Dauphin Island

9.7%
Asthma (US: 9.8%)
16.1%
Diabetes (US: 10.4%)
17.2%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.7% ↓
Diabetes 16.1% ↑
Mental Health 17.2% ↑

Vertical line = national average. Above national · Below national

Top Contaminants in Dauphin Island Water

Gross Alpha 2 violations
Radionuclides · EPA limit: 15 pCi/L
Increased cancer risk
Radium-226 2 violations
Radionuclides · EPA limit: 5 pCi/L
Radium-228 2 violations
Radionuclides · EPA limit: 5 pCi/L

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

Housing & Infrastructure in Dauphin Island

1996
Median Build Year
35%
Built Before 1986
4%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

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

Housing Age Profile

Plumbing risk in residential housing tracks directly to construction era: pre-1986 homes may have lead-soldered copper joints; pre-1970 homes may have lead pipes outright. Dauphin Island's median build year of 1996 places the city in a moderate risk zone where neither era dominates the housing inventory. Understanding which side of the 1986 threshold a specific property falls on - and whether it predates 1970 - is the most actionable starting point for a homeowner trying to assess their own tap water exposure.

1996
Median Year Built
35%
Pre-1986 (Lead Paint Risk)
4%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (4%) 1970–1986 (31%) Post-1986 (65%)

Most homes in Dauphin Island were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Dauphin Island Homeowners

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Dauphin Island is notably favorable - the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.

Median Home Value
$387,400
Est. Remediation
$1,800
Remediation as % of home value 0.5%

Remediation costs in Dauphin Island are relatively low compared to home values. The $1,200–$2,500 estimated range is a small fraction of median property value. Home values are 135% above the Alabama average.

Lead Exposure Risk for Children in Dauphin Island

35%
Homes Built Before 1986
0.001
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

When older housing represents 35% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Dauphin Island address.

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

Historical NFIP Claim Context in Dauphin Island

5,008
Total FEMA Flood Claims
$27,377
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Dauphin Island contains 5,008 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $27,377. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,800</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

What does the Home Safety Score mean for Dauphin Island, AL?
Dauphin Island has an average Home Safety Score of 99/100 (Grade A) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 4 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Dauphin Island have?
Dauphin Island water systems have a total of 4 EPA violations. Violations are tracked across 1 ZIP code.
Does Dauphin Island water have lead?
The average 90th-percentile lead level in Dauphin Island is 0.001 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Dauphin Island compare to Alabama average?
Dauphin Island has an average Home Safety Score of 99/100, which is above the Alabama state average of 72/100 for the same model series.
How many water systems serve Dauphin Island?
Dauphin Island is served by 1 public water system across 1 ZIP code, serving approximately 1,944 people.
How much does it cost to fix water issues in Dauphin Island?
Estimated remediation costs in Dauphin Island average $1,800 per household, ranging from $1,200 to $2,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesAlabama → Dauphin Island, AL

How to cite this page

APA ZipCheckup. (2026). Dauphin Island, AL: 4 Violations - Home Safety 99/100. https://zipcheckup.com/cities/al/dauphin-island/
BibTeX
@misc{zipcheckup-cities-al-dauphin-island,
  author = {{ZipCheckup}},
  title  = {{Dauphin Island, AL: 4 Violations - Home Safety 99/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/al/dauphin-island/}
}

Page version: August 2026.

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