Missouri Valley Water Supply
EPA ID: IA4344088 · 2,678 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Missouri Valley Water Supply (IA4344088): 1 violation recorded with unresolved status in the SDWIS data used. Missouri Valley Water Supply's EPA file includes 1 unresolved violation; the utility supplies water to approximately 2,678 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Missouri Valley Water Supply Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Missouri Valley Water Supply have a median household income of $77,292 and about 4,881 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Missouri Valley 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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Iowa
System Overview
Missouri Valley Water Supply (EPA ID: IA4344088) is a community water system in Iowa that serves approximately 2,678 people from groundwater sources.
This system serves ZIP code 51555 in Missouri Valley.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| June 1, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| December 9, 2022 | E. COLI | Non-health-based | Unaddressed (current) |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. COLI | Monitoring & Reporting | 1 | No |
| Lead and Copper 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 |
|---|---|---|
| 0.0029 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
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.
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.
- 51555 - Missouri Valley
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Missouri Valley Water Supply (IA4344088) on EPA.gov.
Frequently Asked Questions
Is Missouri Valley Water Supply water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Missouri Valley Water Supply serve?
Missouri Valley Water Supply serves approximately 2,678 people across 1 ZIP code in Iowa.
Where does Missouri Valley Water Supply get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Missouri Valley Water Supply (IA): 2 EPA Violations. https://zipcheckup.com/water-system/ia4344088/
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author = {{ZipCheckup}},
title = {{Missouri Valley Water Supply (IA): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ia4344088/}
}
What You Can Do
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Missouri Valley Water Supply (EPA ID: IA4344088) - request the latest Consumer Confidence Report or ask about specific contaminants.