CITY REPORT IA

New Liberty, IA: High Radon Risk — 55/100 (2026)

1 ZIP code · 2 water systems · Updated 2026-06-04

Unlike higher-rated cities in IA, New Liberty carries a fair number of documented violations — the pattern of compliance gaps keeps the city in the middle tier of EPA safety rankings.

How New Liberty Compares

New Liberty55/100
Iowa avg59/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-04

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
C · 55
Avg Safety Score
Zone 1
Radon Risk (High)
$228K
Median Home Value
$1,200
Est. Remediation (0.5% of home value)

Key Facts for New Liberty Residents

  • Homes built before 1986: 84% — older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 13 — above typical levels.

New Liberty's Water Providers

Multiple utilities divide New Liberty, IA's water service — 2 leading providers among 2 on the federal register.

Durant Water Supply
Serves ~1,871 people
55
/100
New Liberty Water Supply
Serves ~138 people
55
/100

Overview

We track water quality and home safety data for 1 ZIP code in New Liberty, Iowa (population ~441), covering 2 community water systems serving approximately 2,009 people region-wide.

No EPA violations recorded across any ZIP codes in New Liberty — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for New Liberty: C (55/100)

The score combines three factors:

Factor What It Measures
Water Quality EPA violations and compliance history
Lead Levels 90th percentile lead concentration vs EPA action level
Radon Risk EPA radon zone classification

Water Sources

New Liberty water systems draw from: Groundwater.

Lead & Copper

  • Lead data: not yet available for New Liberty
  • 0 ZIP codes 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
52765 C Durant Water Supply 1,871

All ZIP Codes in New Liberty

Data Sources

Updated daily.

New Liberty Community Health Snapshot

10.5%
Asthma (US: 9.8%)
11%
Diabetes (US: 10.4%)
16.2%
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 10.5% ↑
Diabetes 11% ↑
Mental Health 16.2% ↑

Vertical line = national average. Above national · Below national

New Liberty Infrastructure Age

1901
Median Build Year
84%
Built Before 1986
74%
Built Before 1970
Galvanized Steel or Lead
Likely Pipe Material

With 84% 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

The character of New Liberty's housing stock is one of deep historical layering — a median build year of 1901 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.

1901
Median Year Built
84%
Pre-1986 (Lead Paint Risk)
74%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (74%) 1970–1986 (10%) Post-1986 (16%)

Over half of homes in New Liberty 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.

How Remediation Costs Compare in New Liberty

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in New Liberty 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
$227,600
Est. Remediation
$1,200
Remediation as % of home value 0.5%

Remediation costs in New Liberty are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 38% above the Iowa average.

New Liberty: Lead Risk & Vulnerable Populations

84%
Homes Built Before 1986

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.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 84% of New Liberty homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.

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

What You Can Do in New Liberty

  1. Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 84% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

Is the water safe to drink in New Liberty, IA?
New Liberty has an average water safety score of 55/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does New Liberty compare to Iowa average?
New Liberty has an average water safety score of 55/100, which is below the Iowa state average of 59/100.
How many water systems serve New Liberty?
New Liberty is served by 2 public water systems across 1 ZIP code, serving approximately 441 people.
How much does it cost to fix water issues in New Liberty?
Estimated remediation costs in New Liberty average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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