Delaware · population 40,191
Lead pipes in Dover, DE
1,273 lead or galvanized lines to replace
Most of Dover (population 40,191) gets its water from Dover Water Department. That system reported 0 lead and 1,273 galvanized-requiring-replacement service lines out of 12,336, with 6,564 more of unknown material.
10% of Dover Water Department's service lines are lead or galvanized requiring replacement, higher than the Delaware average (1.9%) and higher than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 10%
- Unknown 53%
- Non-lead 36%
Latest lead test for Dover Water Department (Jan 2024–Dec 2026): 2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Dover Water Department.
Water systems serving Dover
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Dover Water DepartmentMain system | 0 | 1,273 | 6,564 | 10% |
| Lakeland/Beechwood Pump DistrictAlso serves parts of the city | 0 | 0 | 21 | 0% |
| Kitts Hummock Improvement AssocAlso serves parts of the city | 0 | 0 | 29 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Dover
The counts above cover the whole water system. To see whether your line is lead, look up your address on Dover Water Department's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
Check another water system
Questions
Does Dover, DE have lead pipes?
Yes. Dover Water Department, which serves Dover, reported 0 lead and 1,273 galvanized-requiring-replacement service lines, plus 6,564 of unknown material.
Who supplies water to Dover?
EPA's service area maps place most of Dover in Dover Water Department's service area (PWSID DE0000571). Lakeland/Beechwood Pump District, Kitts Hummock Improvement Assoc also serve parts of the city or nearby areas.
How do I check whether my Dover home has a lead service line?
Search your address on Dover Water Department's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Dover be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Dover Water Department whether your street is scheduled and whether it covers the private side.