CITY REPORT IA

Mount Sterling, IA: High Radon Potential Area - Home Safety 67/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Mount Sterling: C.

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

Mount Sterling, IA holds a middle-tier grade; review the underlying water system records for the reasons behind it.

How Mount Sterling Compares

Mount Sterling67/100
Iowa avg63/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs Linked to Systems with Violations
C · 67
Avg Safety Score
Zone 1
County Radon Potential (High)
$113K
Median Home Value

Key Facts for Mount Sterling Residents

  • Homes built before 1986: 71% - older plumbing may contain lead solder.
  • Health risk index (ZipCheckup composite of CDC data): 15.38.

Mount Sterling's Water Providers

Here the list of water systems for Mount Sterling, IA has a single entry, while the figure of 1 count every system federal data connect to the area's ZIP codes.

Overview

We track home safety data for 1 ZIP code in Mount Sterling, Iowa (population ~155), covering 1 community water system serving approximately 33,000 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.

Home Safety Score

Average Home Safety Score for Mount Sterling: C (67/100)

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

Mount Sterling water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (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 1.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Areas with No Violations

ZIP Code Safety Score System Population
52573 C Rathbun Regional Water Assn (rathbun) 33,000

All ZIP Codes in Mount Sterling

Data Sources

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

Mount Sterling Community Health Snapshot

10.5%
Asthma (US: 9.8%)
13.9%
Diabetes (US: 10.4%)
16.9%
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 10.5% ↑
Diabetes 13.9% ↑
Mental Health 16.9% ↑

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

Mount Sterling Infrastructure Age

1976
Median Build Year
71%
Built Before 1986
38%
Built Before 1970
Copper
Likely Pipe Material

With 71% 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

Renovation history matters as much as age: in Mount Sterling, with a median build year of 1976, some older homes have been replumbed and some have not.

1976
Median Year Built
71%
Pre-1986 (lead solder era; lead paint banned 1978)
38%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (38%) 1970–1986 (33%) Post-1986 (29%)

Over half of homes in Mount Sterling 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.

Mount Sterling: Lead Risk & Vulnerable Populations

71%
Homes Built Before 1986

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.

What You Can Do in Mount Sterling

  1. Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
  2. Install a certified water filter. Choose a pitcher or under-sink filter certified to reduce the specific contaminants of concern.
  3. Check your home's plumbing. With 71% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Mount Sterling, IA?
Mount Sterling has an average Home Safety Score of 67/100 (Grade C) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
How does Mount Sterling compare to Iowa average?
Mount Sterling has an average Home Safety Score of 67/100, which is at or above the Iowa state average of 63/100 for the same model series.
How many water systems serve Mount Sterling?
Our records map 1 water system to 1 ZIP code in Mount Sterling. The related population figure in our data is approximately 155 people; it is not a count of people served citywide.
Home → Cities → Iowa → Mount Sterling, IA

How to cite this page

APA ZipCheckup. (2026). Mount Sterling, IA: High Radon Potential Area - Home Safety 67/100. https://zipcheckup.com/cities/ia/mount-sterling/
BibTeX
@misc{zipcheckup-cities-ia-mount-sterling,
  author = {{ZipCheckup}},
  title  = {{Mount Sterling, IA: High Radon Potential Area - Home Safety 67/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ia/mount-sterling/}
}

Page version: October 2026.

Get safety alerts for Mount Sterling, Iowa

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.