CITY REPORT MD HEALTH VIOLATIONS: 2

Lonaconing, MD: 8 Violations - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs Linked to Systems with Violations
Zone 2
County Radon Potential (Moderate)
$109K
Median Home Value
$300
Est. Remediation (0.3% of home value)

Lonaconing Water: The Quick Version

  • Your city's water systems recorded 8 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.001 mg/L.
  • Homes built before 1986: 84% - older plumbing may contain lead solder.
  • Estimated remediation: $300 per household.
  • Health risk index (ZipCheckup composite of CDC data): 14.78.

Water Systems Serving Lonaconing

Counting every public water system linked to Lonaconing, MD in federal data gives 2. The list below keeps the 2 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.

Overview

We track home safety data for 1 ZIP code in Lonaconing, Maryland (population ~1,846), covering 2 community water systems serving approximately 9,955 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. 2 health-based violations appear in the available health breakdown.

Water Sources

Lonaconing water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 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

1 of 1 ZIP records with known zones is in EPA Radon Zone 2.

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
Fluoride Inorganic 6 1
Nitrate Inorganic 6 1
Haloacetic Acids (HAA5) Disinfection Byproducts 2 1
Interim Enhanced Surface Water Treatment Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
21539 — 8 2 Midland-lonaconing

All ZIP Codes in Lonaconing

  • 21539 - 8 violations ⚠

Data Sources

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

CDC Health Data for Lonaconing

11.3%
Asthma (US: 9.8%)
13.3%
Diabetes (US: 10.4%)
18.9%
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 11.3% ↑
Diabetes 13.3% ↑
Mental Health 18.9% ↑

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

Key Contaminants Detected in Lonaconing

Fluoride 6 violations
Inorganic · EPA regulatory level for the contaminant named above: 4 mg/L
Long-term fluoride exposure above the MCL: bone disease
Nitrate 6 violations
Inorganic · EPA regulatory level for the contaminant named above: 10 mg/L
Blue baby syndrome in infants
Haloacetic Acids (HAA5) 2 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

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

How Old Is Lonaconing's Housing Stock?

1959
Median Build Year
84%
Built Before 1986
65%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 84% 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

Some homes in Lonaconing predate the 1986 federal restrictions on lead in new pipe and solder, so a tap test is a reasonable step for older homes; median build year: 1959.

1959
Median Year Built
84%
Pre-1986 (lead solder era; lead paint banned 1978)
65%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (65%) 1970–1986 (19%) Post-1986 (16%)

Over half of homes in Lonaconing 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.

Lonaconing: Remediation Cost in Perspective

Here the gap between local home values and the estimated repair bill is wide, so the percentage shown below for Lonaconing stays at or under the 1% mark.

Median Home Value
$108,700
Est. Remediation
$300
Remediation as % of home value 0.3%

Estimated remediation costs in Lonaconing 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 75% below the Maryland average.

Protecting Children from Lead in Lonaconing

84%
Homes Built Before 1986
0.001
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.

Historical Flood-Claim Evidence for Lonaconing

48
Total FEMA Flood Claims
$7,412
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Lonaconing contains 48 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $7,412. 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 $300 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

How many violations are on record for water systems serving Lonaconing?
EPA records list 8 EPA violations, including 2 health-based violations for Lonaconing water systems. These water-system violations are shown for 1 mapped ZIP code.
Does Lonaconing water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Lonaconing is 0.001 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 Lonaconing?
Our records map 2 water systems to 1 ZIP code in Lonaconing. The related population figure in our data is approximately 1,846 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Lonaconing?
Estimated remediation cost per household in Lonaconing: $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). Lonaconing, MD: 8 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/md/lonaconing/
BibTeX
@misc{zipcheckup-cities-md-lonaconing,
  author = {{ZipCheckup}},
  title  = {{Lonaconing, MD: 8 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/md/lonaconing/}
}

Page version: October 2026.

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