Water System Report IA

Montour Water Supply

EPA ID: IA8666002 · 203 people served · 1 ZIP code

EPA monitoring data for Montour Water Supply shows an unblemished five-year compliance history — no violations of any kind have been recorded for this utility, which supplies water to approximately 203 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.

Data: EPA SDWIS Last verified: 2026-04-02

B · 70
Avg Safety Score
203
People Served
1
ZIP Code Served
0
Violations (5yr)
Groundwater
Water Source
0.0022 mg/L
Max Lead Level
Zone 1
Radon Risk · High
0
Contaminants Flagged
$205K
Median Home Value in Service Area

Service Area Map

Coverage area for Montour Water Supply Source: EPA SDWIS service area boundaries.

Service area boundary — Grade B

Service Area Demographics

$82,188
Median Household Income
640
Service Area Population
17%
Disadvantaged Population
60th
Poverty Percentile
80th
Energy Burden Percentile
74%
Pre-1986 Housing

The Montour Water Supply serves a community with a median household income of $82,188 and an estimated 640 residents across its service area. Approximately 74% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Montour Water Supply's water is pumped from underground aquifers. 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.

Low Risk
Source Contamination Risk
20th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

About 0% of homes in Tama 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

61 yr
Avg Pipe Age
Galvanized Steel or Copper
Pipe Material
4 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 94% of expected lifespan used End of life

Comparable Water Systems

Similar-sized systems in Iowa

Volga Water Supply
203 people
C 1 violation
Melvin Waterworks
202 people
C 0 violations
C 0 violations
Onslow Water Supply
201 people
C 1 violation
C 3 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance
Radon Mitigation $1,200
Flood Insurance $1,200
Total Estimated Cost $2,400

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

Montour Water Supply (EPA ID: IA8666002) is a community water system in Iowa that serves approximately 203 people from groundwater sources.

This system serves ZIP code 50173 in Montour.

Average Home Safety Score: B (70/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
50173 0.0022 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 Filter

Free 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 Montour Water Supply (IA8666002) on EPA.gov.

Frequently Asked Questions

Is Montour Water Supply water safe to drink?

Based on EPA records, Montour Water Supply has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Montour Water Supply serve?

Montour Water Supply serves approximately 203 people across 1 ZIP code in Iowa.

Where does Montour Water Supply get its water?

The primary water source is groundwater.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
7
Galvanized — Replacement Required
105
Unknown Material
0
Confirmed Non-Lead

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2024-01-01 did not exceed the federal lead action level.
Population served: 203
Reported to Iowa

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.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Montour Water Supply safe to drink?
Montour Water Supply earns a B safety grade with 0 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
Should I use a water filter?
Montour Water Supply meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Montour Water Supply serve?
Montour Water Supply serves approximately 203 people with drinking water across 1 ZIP code.
What is Montour Water Supply's water source?
Montour Water Supply draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Montour Water Supply's water?
The maximum detected lead level is 0.0022 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Montour Water Supply's service area?
The Montour Water Supply service area has a median household income of $82,188. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Montour Water Supply get its water?
Montour Water Supply's water is pumped from underground aquifers. 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.
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