Grafton Tap Water Quality Report
Grafton's water has 5 contaminants above EPA MCLGs. We recommend using a certified water filter.
Utilities
2 Utilities
People Served
75,894
MCL Violations
0
Last Updated
Is Grafton Tap Water Safe to Drink?
Grafton's water has 5 contaminants above EPA health-based guidelines. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Grafton's water.
The data below shows test results from 2 water utilities serving 75,894 people in the Grafton area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-08-11.
Grafton Water Service Areas
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Recommended Water Filters for Grafton
Based on Grafton's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Removes 19 contaminants:
Nitrate, Copper, Zinc, Barium, Sulfate +14 more

Waterdrop
N/A
NSF Certified:
Flow Rate
1 gpm
Removes 5 contaminants:
Various, Chlorine, Heavy metals, Fluoride, Bacteria

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more
Verify Your Water Quality with Independent Testing
With 5 contaminants above EPA health guidelines, independent laboratory testing provides a second opinion and can track changes over time.

SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.

SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
Frequently Asked Questions About Grafton Tap Water
Grafton's water has 5 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Grafton's water.
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