Lisbon Water Supply
EPA ID: IA5748086 · 2,233 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Lisbon Water Supply (IA5748086): 1 violation on record since 2021. Within the EPA violation records on file, Lisbon Water Supply accumulated 1 violation, and every finding is recorded as resolved; the utility supplies water to approximately 2,233 people. Resolution of past violations is not a statement about current water quality.
Data: EPA SDWIS
Service Area Map
Coverage area for Lisbon Water Supply Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Lisbon Water Supply have a median household income of $98,415 and about 8,641 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lisbon Water Supply's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Iowa
System Overview
Lisbon Water Supply (EPA ID: IA5748086) is a community water system in Iowa that serves approximately 2,233 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0017 mg/L | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IA or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lisbon Water Supply (IA5748086) on EPA.gov.
Frequently Asked Questions
Is Lisbon Water Supply water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Lisbon Water Supply; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Lisbon Water Supply serve?
Lisbon Water Supply serves approximately 2,233 people across 2 ZIP codes in Iowa.
Where does Lisbon Water Supply get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lisbon Water Supply (IA): 1 EPA Violation. https://zipcheckup.com/water-system/ia5748086/
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author = {{ZipCheckup}},
title = {{Lisbon Water Supply (IA): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ia5748086/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lisbon Water Supply (EPA ID: IA5748086) - request the latest Consumer Confidence Report or ask about specific contaminants.