Dupo, Illinois Water Quality Report
Water quality data for 1 water system serving 4,684 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 24.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 240% | Above guideline |
| PFBS | 0.004 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxS | 0.003 | 0.010 ug/L | 0.001 ug/L(EWG) | 31% | Within limit |
| PFOS | 0.006 | 0.004 ug/L | 0.300 ug/L(EWG) | 140% | Above limit |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Resolved Violations (8)
71
Jul 1, 2024
71
Jul 1, 2024
71
Jul 1, 2019
71
Jul 1, 2019
24
Mar 1, 1998 — Mar 31, 1998
+ 3 more resolved violations
Frequently Asked Questions
Is Dupo tap water safe to drink?
Dupo's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Dupo tap water?
4 contaminants have been detected in Dupo's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Dupo?
Install a water filter rated for the specific contaminants found in Dupo's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.