CITY REPORT ND

Maddock, ND: High Radon Risk - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
Zone 1
Radon Risk (High)
$77K
Median Home Value
$1,200
Est. Remediation (1.6% of home value)

What You Should Know About Maddock Water

  • Average lead level: 0.002 mg/L.
  • Homes built before 1986: 86% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 16.06 - above typical levels.

Who Supplies Your Water in Maddock

2 independent water providers serve Maddock, ND - 2 systems appear in federal records.

Overview

We track home safety data for 1 ZIP code in Maddock, North Dakota (population ~801), covering 2 community water systems serving approximately 8,784 people region-wide. 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.

Water Sources

Maddock water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0020 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 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
58348 Central Plains Water District 3,504

All ZIP Codes in Maddock

Data Sources

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

Health Outcomes in Maddock

12.4%
Asthma (US: 9.8%)
15.4%
Diabetes (US: 10.4%)
17.3%
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 12.4% ↑
Diabetes 15.4% ↑
Mental Health 17.3% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Maddock

1964
Median Build Year
86%
Built Before 1986
37%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 86% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

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

Housing Age Profile

Because the majority of Maddock's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1964 reflects a city where lead-era plumbing materials are common rather than exceptional.

1964
Median Year Built
86%
Pre-1986 (Lead Paint Risk)
37%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (37%) 1970–1986 (49%) Post-1986 (14%)

Over half of homes in Maddock were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Maddock Homeowners

How does remediation fit within the broader financial picture for Maddock homeowners? The equity share is moderate - large enough that treating it as a real planning consideration makes sense, and manageable enough that most homeowners have a clear path to addressing documented water and safety issues when they approach the commitment with deliberate advance budgeting rather than as an unplanned expense.

Median Home Value
$77,300
Est. Remediation
$1,200
Remediation as % of home value 1.6%

Remediation costs are moderate relative to home values in Maddock. The estimated $800–$1,500 range is manageable for most homeowners but still worth budgeting for. Home values are 56% below the North Dakota average.

Lead Exposure Risk for Children in Maddock

86%
Homes Built Before 1986
0.002
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.

Routinely in Maddock, where 86% of housing predates the solder ban and aggregate utility readings hover near the federal threshold, a faucet-level draw functions as a standard household step for families with small kids.

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

Frequently Asked Questions

Does Maddock water have lead?
The average 90th-percentile lead level in Maddock is 0.002 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 many water systems serve Maddock?
Maddock is served by 2 public water systems across 1 ZIP code, serving approximately 801 people.
How much does it cost to fix water issues in Maddock?
Estimated remediation costs in Maddock average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNorth Dakota → Maddock, ND

How to cite this page

APA ZipCheckup. (2026). Maddock, ND: High Radon Risk - Home Safety Score unavailable. https://zipcheckup.com/cities/nd/maddock/
BibTeX
@misc{zipcheckup-cities-nd-maddock,
  author = {{ZipCheckup}},
  title  = {{Maddock, ND: High Radon Risk - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nd/maddock/}
}

Page version: August 2026.

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