Skip to content

Water Quality Report

Seymour, WI

Outagamie County · 3,601 residents · 1 water system

12

Contaminants detected

0

PFAS compounds

290

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Seymour drinking water comes from groundwater wells. Based on the most recent monitoring data, 12 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 8 others. PFAS testing has been conducted with no detections. Water hardness is 290 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Seymour water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.0017 / 0.015 mg/L
11% of EPA limit
Arsenic0.0015 / 0.01 mg/L
15% of EPA limit
Copper290 / 1300 ug/L
22% of EPA limit
Radium2.2 / 5 pCi/L
44% of EPA limit
Uranium0.278 / 30 ug/L
1% of EPA limit
Gross Alpha Radiation7.4 / 15 pCi/L
49% of EPA limit
Total Trihalomethanes21.8 / 80 ug/L
27% of EPA limit
11% of EPA limit
Nickel0.0021 mg/L
UnregulatedInorganic
Selenium0.0043 / 0.05 mg/L
9% of EPA limit
Barium0.069 / 2 mg/L
3% of EPA limit
Fluoride0.33 / 4 mg/L
8% of EPA limit
PFAS (tested — none detected)
Microplastics (not routinely tested)

Other cities in Outagamie County

Water quality reports for nearby Wisconsin communities.

Frequently asked questions

Is Seymour, WI tap water safe to drink?
Seymour tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 12 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, Uranium. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Seymour water?
Monitoring has detected 12 contaminants in Seymour's water supply: Lead, Arsenic, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Selenium, Barium, Fluoride. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Seymour water have PFAS?
Seymour's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Is Seymour water hard?
Yes. Seymour water has a hardness of 290 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Seymour get its drinking water?
Seymour's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Seymour is served by one water system: SEYMOUR WATERWORKS.

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.