Iron in Delaware well water
In Delaware, iron was detected in 75% of 1,661 tested private well samples.
Iron is a nuisance rather than a health hazard: rust stains, metallic taste, and clogged fixtures above 300 ug/L. It often occurs with manganese and can feed iron bacteria that foul plumbing.
Check your iron number
Type the value from your lab report. It is compared to the EPA limit, the same way the full interpretation does it.
Test your Delaware well for iron
Certified lab analysis of your own tap water, bottles and prepaid return shipping included. The Essential well panel covers arsenic, uranium, nitrate, lead, copper, manganese, iron, sodium and bacteria; radon and PFAS are add-ons.
Order the Tap Score well water test kit, from $209Already tested? Upload the report
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Systems that remove iron
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Some links below are affiliate links. If you buy through one, the merchant pays us a commission at no extra cost to you. It does not change which products we list or what the data says.
For iron
Iron and manganese oxidizing filter
whole-house, at the point of entry, about $1,800
Air-injection or greensand media; fixes staining at the source.
Rather have it installed and sized for your well? Book a free in-home water test with a licensed local company.
Where to get a well tested for iron in Delaware: certified labs, state programs and prices.
By county, from individual samples
Public monitoring samples against the EPA limit; counties with at least 30 samples.
| County | Above EPA limit | Samples | Detected | Median | Highest |
|---|---|---|---|---|---|
| New Castle | no limit | 405 | 88% | 110 | 430,000 ug/L |
| Kent | no limit | 320 | 83% | 117 | 67,100 ug/L |
| Sussex | no limit | 936 | 66% | 10 | 120,000 ug/L |
- Selbyville-Frankford CCD, Sussex County95% detected of 62
- Milford North CCD, Kent County92% detected of 108
- Red Lion CCD, New Castle County92% detected of 48
- Dover CCD, Kent County91% detected of 76
- Middletown-Odessa CCD, New Castle County89% detected of 253
- Piedmont CCD, New Castle County85% detected of 48
- New Castle CCD, New Castle County83% detected of 41
- Lewes CCD, Sussex County81% detected of 240
- Milford South CCD, Sussex County76% detected of 58
- Kenton CCD, Kent County74% detected of 39
- Central Kent CCD, Kent County73% detected of 52
- Georgetown CCD, Sussex County67% detected of 88
- Millsboro CCD, Sussex County64% detected of 147
- Laurel-Delmar CCD, Sussex County64% detected of 118
- Bridgeville-Greenwood CCD, Sussex County56% detected of 68
- Milton CCD, Sussex County44% detected of 41
- Seaford CCD, Sussex County32% detected of 114
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. iron counts and shares are listed on each county and town page with their sources.