CITY REPORT IA

North Liberty, IA: 3 Violations - Home Safety 66/100

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for North Liberty: C.

A mixed picture - some signals here are worth your attention.

North Liberty shows moderate tap water quality for IA - some areas carry documented EPA violations while others meet standards without issues.

How North Liberty Compares

North Liberty66/100
Iowa avg63/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
C · 66
Avg Safety Score
Zone 1
Radon Risk (High)
$315K
Median Home Value
$3,000
Est. Remediation (0.9% of home value)

Key Facts for North Liberty Residents

  • Your city's water systems recorded 3 violations in the past 5 years.
  • Average lead level: 0.006 mg/L.
  • Homes built before 1986: 18% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 10.47.

North Liberty's Water Providers

In North Liberty, IA, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 5 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.

Overview

We track home safety data for 1 ZIP code in North Liberty, Iowa (population ~22,392), covering 5 community water systems serving approximately 53,731 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 North Liberty: C (66/100)

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

North Liberty water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0060 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.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 4 1
Lead Inorganic 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
52317 C 3 0 North Liberty Water Supply

All ZIP Codes in North Liberty

  • 52317 [C] - 3 violations

Data Sources

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

North Liberty Community Health Snapshot

9.8%
Asthma (US: 9.8%)
8.8%
Diabetes (US: 10.4%)
16.5%
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 9.8% ↓
Diabetes 8.8% ↓
Mental Health 16.5% ↑

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

What's in North Liberty's Water?

Surface Water Treatment Rule 4 violations
Treatment Technique
Pathogens may not be adequately removed
Lead 2 violations
Inorganic · EPA limit: 0.015 mg/L

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

North Liberty Infrastructure Age

2006
Median Build Year
18%
Built Before 1986
4%
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

For most of North Liberty's housing stock, construction occurred after 1986 - when lead solder in plumbing was federally prohibited. The median build year of 2006 broadly reflects that newer profile.

2006
Median Year Built
18%
Pre-1986 (Lead Paint Risk)
4%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (4%) 1970–1986 (14%) Post-1986 (82%)

Most homes in North Liberty 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.

How Remediation Costs Compare in North Liberty

Within the North Liberty market, estimated remediation claims a small portion of typical property equity - the financial burden is proportionally low.

Median Home Value
$314,700
Est. Remediation
$3,000
Remediation as % of home value 0.9%

Remediation costs in North Liberty are relatively low compared to home values. The $2,000–$4,000 estimated range is a small fraction of median property value. Home values are 91% above the Iowa average.

North Liberty: Lead Risk & Vulnerable Populations

18%
Homes Built Before 1986
0.006
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.

Pre-rule stock in North Liberty accounts for 18% of the inventory - a modest fraction - and citywide samples land safely beneath the federal action mark.

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

North Liberty: NFIP Claim Records and Water-Quality Context

4
Total FEMA Flood Claims
$36,945
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for North Liberty contains 4 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $36,945. Among ZIP codes with claim records, 0% 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>$3,000</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.

What You Can Do in North 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. Filters rated for Surface Water Treatment Rule can reduce the most common contaminant found in North Liberty's water.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Deep Dive Reports

Detailed analysis for North Liberty, IA

Frequently Asked Questions

What does the Home Safety Score mean for North Liberty, IA?
North Liberty has an average Home Safety Score of 66/100 (Grade C) 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. 3 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does North Liberty have?
North Liberty water systems have a total of 3 EPA violations. Violations are tracked across 1 ZIP code.
Does North Liberty water have lead?
The average 90th-percentile lead level in North Liberty is 0.006 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 North Liberty compare to Iowa average?
North Liberty has an average Home Safety Score of 66/100, which is above the Iowa state average of 63/100 for the same model series.
How many water systems serve North Liberty?
North Liberty is served by 5 public water systems across 1 ZIP code, serving approximately 22,392 people.
How much does it cost to fix water issues in North Liberty?
Estimated remediation costs in North Liberty average $3,000 per household, ranging from $2,000 to $4,000. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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How to cite this page

APA ZipCheckup. (2026). North Liberty, IA: 3 Violations - Home Safety 66/100. https://zipcheckup.com/cities/ia/north-liberty/
BibTeX 
@misc{zipcheckup-cities-ia-north-liberty,
  author = {{ZipCheckup}},
  title  = {{North Liberty, IA: 3 Violations - Home Safety 66/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ia/north-liberty/}
}

Page version: August 2026.

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