CITY REPORT DE

Milton, DE: Lead Above EPA Limits - Home Safety 83/100

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for Milton: B.

This ZIP looks solid, with a few items worth a quick check.

Water systems in Milton, DE serve households with few reported safety events.

How Milton Compares

Milton83/100
Delaware avg81/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
0
ZIPs with Violations
B · 83
Avg Safety Score
1
ZIPs Exceeding Lead Limit
Zone 3
Radon Risk (Low)
$419K
Median Home Value
$1,800
Est. Remediation (0.4% of home value)

Milton Water: The Quick Version

  • Average lead level: 0.023 mg/L - exceeds the EPA action level of 0.015 mg/L.
  • Homes built before 1986: 26% - older plumbing may contain lead solder.
  • Estimated remediation: $1,800 per household.
  • CDC health risk index: 14.77 - above typical levels.

Water Systems Serving Milton

Federal drinking water records identify 5 systems in Milton, DE. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations - so service conditions are not uniform city-wide.

Overview

We track home safety data for 1 ZIP code in Milton, Delaware, covering 5 community water systems serving approximately 14,791 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Milton: B (83/100)

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

Milton water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0230 mg/L (exceeds EPA action level) (EPA action level: 0.015 mg/L)
  • 1 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Areas with No Violations

ZIP Code Safety Score System Population
19968 B Milton Water Department 3,200

All ZIP Codes in Milton

Data Sources

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

CDC Health Data for Milton

10.5%
Asthma (US: 9.8%)
14.2%
Diabetes (US: 10.4%)
13.8%
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 10.5% ↑
Diabetes 14.2% ↑
Mental Health 13.8% ↓

Vertical line = national average. Above national · Below national

How Old Is Milton's Housing Stock?

2006
Median Build Year
26%
Built Before 1986
13%
Built Before 1970
PEX or 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

A median build year of 2006 in Milton points to a housing stock where post-1986 construction is the norm. That matters because lead solder in plumbing - banned federally in 1986 - is a primary pathway by which older homes can elevate tap water lead above what enters the distribution system.

2006
Median Year Built
26%
Pre-1986 (Lead Paint Risk)
13%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (13%) 1970–1986 (13%) Post-1986 (74%)

Most homes in Milton 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.

Milton: Remediation Cost in Perspective

In Milton, property values comfortably outpace what documented remediation typically costs - the equity share is proportionally low.

Median Home Value
$418,600
Est. Remediation
$1,800
Remediation as % of home value 0.4%

Remediation costs in Milton are relatively low compared to home values. The $1,200–$2,600 estimated range is a small fraction of median property value. Home values are 18% above the Delaware average.

Protecting Children from Lead in Milton

1 of 1
ZIPs Over EPA Lead Limit
26%
Homes Built Before 1986
0.023
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.

If 26% of the Milton inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

<strong>1 ZIP code</strong> (100% of the city) exceeds the EPA lead action level of 0.015 mg/L.

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

Historical Flood-Claim Evidence for Milton

80
Total FEMA Flood Claims
$17,723
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Milton contains 80 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $17,723. 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 Milton, DE?
Milton has an average Home Safety Score of 83/100 (Grade B) 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. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Milton water have lead?
The average 90th-percentile lead level in Milton is 0.023 mg/L. This exceeds the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Milton compare to Delaware average?
Milton has an average Home Safety Score of 83/100, which is above the Delaware state average of 81/100 for the same model series.
How many water systems serve Milton?
Milton is served by 5 public water systems across 1 ZIP code, serving approximately 14,791 people.
How much does it cost to fix water issues in Milton?
Estimated remediation costs in Milton average $1,800 per household, ranging from $1,200 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesDelaware → Milton, DE

How to cite this page

APA ZipCheckup. (2026). Milton, DE: Lead Above EPA Limits - Home Safety 83/100. https://zipcheckup.com/cities/de/milton/
BibTeX
@misc{zipcheckup-cities-de-milton,
  author = {{ZipCheckup}},
  title  = {{Milton, DE: Lead Above EPA Limits - Home Safety 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/de/milton/}
}

Page version: August 2026.

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