CITY REPORT IA

Promise City, IA Water - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 1
Radon Risk (High)
$104K
Median Home Value
$1,200
Est. Remediation (1.1% of home value)

Promise City Water: The Quick Version

  • Homes built before 1986: 47% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 15 - above typical levels.

Water Systems Serving Promise City

One utility dominates residential water service in Promise City, IA - out of 1 system in federal records.

Overview

We track home safety data for 1 ZIP code in Promise City, Iowa (population ~391), 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.

Water Sources

Promise City water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 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
52583 Rathbun Regional Water Assn (rathbun) 33,000

All ZIP Codes in Promise City

Data Sources

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

CDC Health Data for Promise City

10.2%
Asthma (US: 9.8%)
13.1%
Diabetes (US: 10.4%)
16.7%
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 10.2% ↑
Diabetes 13.1% ↑
Mental Health 16.7% ↑

Vertical line = national average. Above national · Below national

How Old Is Promise City's Housing Stock?

1982
Median Build Year
47%
Built Before 1986
30%
Built Before 1970
Copper
Likely Pipe Material

With 47% 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

Development in Promise City unfolded across multiple decades, and the median build year of 1982 reflects a housing inventory where eras of construction are genuinely mixed - including portions that predate the federal prohibition on lead solder in plumbing.

1982
Median Year Built
47%
Pre-1986 (Lead Paint Risk)
30%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (30%) 1970–1986 (17%) Post-1986 (53%)

A significant portion of Promise City's housing stock predates 1970, when lead pipes were commonly used. Residents in older homes should consider water testing.

Source: U.S. Census Bureau ACS B25034.

Promise City: Remediation Cost in Perspective

Across the Promise City housing market, the estimated remediation share lands in a middle tier - not a minor footnote, but not a prohibitive burden either; the cost-to-value ratio reflects a moderate equity commitment, one that sits above routine maintenance territory and warrants a dedicated line in the household budget.

Median Home Value
$104,200
Est. Remediation
$1,200
Remediation as % of home value 1.1%

Remediation costs are moderate relative to home values in Promise City. The estimated $800–$1,500 range is manageable for most homeowners but still worth budgeting for. Home values are 37% below the Iowa average.

Protecting Children from Lead in Promise City

47%
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.

Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 47% of Promise City stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.

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

Frequently Asked Questions

How many water systems serve Promise City?
Promise City is served by 1 public water system across 1 ZIP code, serving approximately 391 people.
How much does it cost to fix water issues in Promise City?
Estimated remediation costs in Promise City average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIowa → Promise City, IA

How to cite this page

APA ZipCheckup. (2026). Promise City, IA Water - Home Safety Score unavailable. https://zipcheckup.com/cities/ia/promise-city/
BibTeX
@misc{zipcheckup-cities-ia-promise-city,
  author = {{ZipCheckup}},
  title  = {{Promise City, IA Water - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ia/promise-city/}
}

Page version: August 2026.

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