D37/100
Manson Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,709 residents · Iowa
What's In Manson's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – September 23, 2024Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
MANSON WATER SUPPLY
Population Served
1,709
Water Source
Groundwater
System ID
IA1351027
Frequently Asked Questions About Manson Water
Is Manson tap water safe to drink?
Manson, Iowa tap water receives a grade of D (37/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 32 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Manson's water?
Of the 1 contaminants tested in Manson's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Manson have any water quality violations?
Yes, Manson has 32 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Manson?
Manson water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Manson's tap water come from?
Manson's drinking water is sourced from groundwater and supplied by MANSON WATER SUPPLY. The system serves approximately 1,709 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Manson's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Manson's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Manson's water compare to other cities in Iowa?
Manson's water quality score of 37/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Iowa state page to see how all cities in the state compare.
What should I do if I'm concerned about Manson's water quality?
If you have concerns about Manson's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (MANSON WATER SUPPLY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.