A81/100
Webster City Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 7,825 residents · Iowa
What's In Webster City's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
WEBSTER CITY WATER SUPPLY
Population Served
7,825
Water Source
Groundwater
System ID
IA4063094
Frequently Asked Questions About Webster City Water
Is Webster City tap water safe to drink?
Webster City, Iowa tap water receives a grade of A (81/100), which is considered excellent. 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 Webster City's water?
31 contaminants were tested in Webster City's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Webster City have any water quality violations?
Yes, Webster City has 7 EPA violation(s) on record, with the most recent in 2020. 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 Webster City?
Webster City 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 Webster City's tap water come from?
Webster City's drinking water is sourced from groundwater and supplied by WEBSTER CITY WATER SUPPLY. The system serves approximately 7,825 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Webster City'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. Webster City'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 Webster City's water compare to other cities in Iowa?
Webster City's water quality score of 81/100 earns a grade of A, which is considered excellent. This places Webster City among the better-performing water systems in Iowa. Visit our Iowa state page to see how all cities in the state compare.
What should I do if I'm concerned about Webster City's water quality?
If you have concerns about Webster City'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 (WEBSTER CITY 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.