Delaware · population 7,864
Lead pipes in Millsboro, DE
77 lead or galvanized lines to replace
Most of Millsboro (population 7,864) gets its water from Millsboro Water Department. That system reported 64 lead and 13 galvanized-requiring-replacement service lines out of 4,426, with 1,993 more of unknown material.
1.7% of Millsboro Water Department's service lines are lead or galvanized requiring replacement, about the same as the Delaware average (1.9%) and lower than the national average (3.1%).
- Lead 1.4%
- Galvanized (replace) 0.3%
- Unknown 45%
- Non-lead 53%
Latest lead test for Millsboro Water Department (Jan 2026–Jun 2026): 5.2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Millsboro Water Department.
Water systems serving Millsboro
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Millsboro Water DepartmentMain system | 64 | 13 | 1,993 | 1.7% |
| Long Neck Water CompanyAlso serves parts of the city | 0 | 0 | 51 | 0% |
| Colonial Estates Mobile Home ParkAlso serves parts of the city | 0 | 0 | 12 | 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 Millsboro
The counts above cover the whole water system. To see whether your line is lead, look up your address on Millsboro 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
- Georgetown172 lead + galv. lines
- Millville1,183 unknown
- Ocean View1,183 unknown
- Bethany Beach1,082 unknown
- Laurel189 lead + galv. lines
- Delmar56 lead + galv. lines
- Rehoboth Beach11 lead + galv. lines
- Lewes95 lead + galv. lines
Check another water system
Questions
Does Millsboro, DE have lead pipes?
Yes. Millsboro Water Department, which serves Millsboro, reported 64 lead and 13 galvanized-requiring-replacement service lines, plus 1,993 of unknown material.
Who supplies water to Millsboro?
EPA's service area maps place most of Millsboro in Millsboro Water Department's service area (PWSID DE0000622). Long Neck Water Company, Colonial Estates Mobile Home Park also serve parts of the city or nearby areas.
How do I check whether my Millsboro home has a lead service line?
Search your address on Millsboro 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 Millsboro 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 Millsboro Water Department whether your street is scheduled and whether it covers the private side.