Dover, Delaware Water Quality Report
Water quality data for 78 water systems serving 296,313 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 37.2 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 372% | Above guideline |
| PFBA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.006 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.004 | 0.004 ug/L | 0.090 ug/L(EWG) | 110% | Above limit |
| PFOS | 0.006 | 0.004 ug/L | 0.300 ug/L(EWG) | 153% | Above limit |
| PFPeA | 0.013 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Dover, Delaware.
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Be the first to know when water quality changes in Dover.
Compliance & Violations
Active Violations (262)
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
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71
Jul 1, 2010
71
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71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2010
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
71
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71
Jul 1, 2009
71
Jul 1, 2009
71
Jul 1, 2009
51
Jan 1, 1994
51
Jan 1, 1994
51
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51
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51
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51
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51
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51
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51
Jul 1, 1993
51
Jul 1, 1993
51
Jul 1, 1993
51
Jul 1, 1993
51
Jul 1, 1993
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Resolved Violations (641)
1A
Jul 1, 2022 — Jul 31, 2022
1A
Jul 1, 2022 — Jul 31, 2022
1A
Jul 1, 2022 — Jul 31, 2022
1A
Jul 1, 2022 — Jul 31, 2022
71
Jul 1, 2019
+ 636 more resolved violations
Frequently Asked Questions
Is Dover tap water safe to drink?
Dover's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Dover tap water?
7 contaminants have been detected in Dover's water supply across 78 water systems. See the full contaminant table above for details.
How can I improve my water quality in Dover?
Install a water filter rated for the specific contaminants found in Dover's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Dover have any water quality violations?
Yes, Dover currently has 262 active violations. See the violations section above for details.