Lamoni Municipal Utilities
EPA ID: IA2740050 · 2,104 people served · 2 ZIP codes
Federal compliance records for Lamoni Municipal Utilities list 2 open violations that have not yet been resolved — the utility serves approximately 2,104 people, and each outstanding finding remains logged and active in the EPA enforcement database.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 2 (2024) to 2 (2025). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Lamoni Municipal Utilities Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Lamoni Municipal Utilities serves a community with a median household income of $52,556 and an estimated 3,317 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 33% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Lamoni Municipal Utilities's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 5% of homes in Decatur County, Iowa rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Lamoni Municipal Utilities compares to EPA limits
What This Means For You
Contaminant 1009 at 2 mg/L exceeds the EPA maximum of 0.004 mg/L. Intestinal damage, bone damage. Consider reverse osmosis filtration.
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Chlorite at 2 mg/L exceeds the EPA maximum of 1 mg/L. Anemia and nervous system effects in infants and children. Consider ferrous sulfate reduction filtration.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Contaminant 1009 was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
LAMONI MUNICIPAL UTILITIES (EPA ID: IA2740050) is a community water system in Iowa that serves approximately 2,104 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Average Home Safety Score: D (53/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| March 1, 2025 | E. coli | Health-based | Resolved |
| January 15, 2025 | Unknown | Monitoring | Resolved |
| October 1, 2024 | Lead | Monitoring | Unresolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| August 1, 2023 | Chlorite | Monitoring | Resolved |
| June 1, 2023 | Contaminant 1009 | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 1009 | Other Violation | 2 | No |
| Chlorite | Disinfection Byproducts | 2 | No |
| Lead | Inorganic | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| E. coli | Microbiological | 1 | Yes |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
E. coli (EPA limit: Zero tolerance (any positive sample triggers immediate action))
Severe GI illness; potentially fatal kidney failure in children At-risk groups: children under 5, elderly, immunocompromised individuals, pregnant women.
Removal methods: UV disinfection (99.99%), chlorination, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 50140 | 0.0006 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lamoni Municipal Utilities (IA2740050) on EPA.gov.
Frequently Asked Questions
Is Lamoni Municipal Utilities water safe to drink?
Lamoni Municipal Utilities has recorded 2 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Lamoni Municipal Utilities serve?
Lamoni Municipal Utilities serves approximately 2,104 people across 2 ZIP codes in Iowa.
Where does Lamoni Municipal Utilities get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
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
Lamoni Municipal Utilities (EPA ID: IA2740050) — request the latest Consumer Confidence Report or ask about specific contaminants.