B78/100
Iowa Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,636 residents · Louisiana
What's In Iowa's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 28, 2021 – November 24, 2021Rule: Ground Water RuleEnforcement: 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
TOWN OF IOWA WATER SYSTEM
Population Served
3,636
Water Source
Groundwater
System ID
LA1019026
Frequently Asked Questions About Iowa Water
Is Iowa tap water safe to drink?
Iowa, Louisiana tap water receives a grade of B (78/100), which is considered good. Out of 31 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Iowa's water?
31 contaminants were tested in Iowa's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Iowa have any water quality violations?
Yes, Iowa has 10 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Iowa?
Iowa 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. All contaminants are within health goals.
Where does Iowa's tap water come from?
Iowa's drinking water is sourced from groundwater and supplied by TOWN OF IOWA WATER SYSTEM. The system serves approximately 3,636 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Iowa'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. Iowa'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 Iowa's water compare to other cities in Louisiana?
Iowa's water quality score of 78/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Louisiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Iowa's water quality?
If you have concerns about Iowa'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 (TOWN OF IOWA WATER SYSTEM) 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.