A93/100
Carrollton Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 6,577 residents · Missouri
What's In Carrollton's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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
CARROLLTON PWS
Population Served
3,514
Water Source
Groundwater
System ID
MO2010140
CARROLL COUNTY PWSD 1
Population Served
3,063
Water Source
Groundwater
System ID
MO2024105
Frequently Asked Questions About Carrollton Water
Is Carrollton tap water safe to drink?
Carrollton, Missouri tap water receives a grade of A (93/100), 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 Carrollton's water?
31 contaminants were tested in Carrollton's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Carrollton have any water quality violations?
Yes, Carrollton has 10 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Carrollton?
Carrollton 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 Carrollton's tap water come from?
Carrollton's drinking water is sourced from groundwater and supplied by CARROLLTON PWS and 1 other water system(s). The system serves approximately 6,577 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Carrollton'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. Carrollton'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 Carrollton's water compare to other cities in Missouri?
Carrollton's water quality score of 93/100 earns a grade of A, which is considered excellent. This places Carrollton among the better-performing water systems in Missouri. Visit our Missouri state page to see how all cities in the state compare.
What should I do if I'm concerned about Carrollton's water quality?
If you have concerns about Carrollton'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 (CARROLLTON PWS) 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.