Is Lewes, DE tap water safe?
The short answer
1 of the 3 utilities serving Lewes has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Delaware’s records: Lewes Board of Public Works.
Lewes Board of Public Works, which serves the most people here, has 1 result above the action level and 2 results above EPA’s new limit, which takes effect in 2029. The worst: Lead at 21.6 ppb, above the action level.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Lewes’s ZIP codes, from EPA’s estimates.
- Open report
Lewes Board of Public Works
Delaware · serves 9,627 people · about 840 in Lewes
1 result above the action level and 2 results above EPA’s new limit, which takes effect in 2029. The worst: Lead at 21.6 ppb, above the action level.
No health-based violations since 2016
- Open report
Rehoboth Pump District (Tui)
Delaware · serves 81,417 people · about 240 in Lewes
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 4.4 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft, typically 13 mg/L (0.7 grains per gallon).
No health-based violations since 2016
- Open report
Artesian Northern Sussex Regional
Delaware · serves 5,511 people · about 120 in Lewes
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 5.7 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft, typically 34 mg/L (2 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Lewes Board of Public Works’s water, which serves the most people here. Another utility’s report names what handles its own results.
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PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead, PFOS, PFOA
ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: Lead, PFOS, PFOA
Culligan 10-Cup Pitcher with ZeroWater Technology (ZEROP10)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, PFOS, PFOA
Water testing near Lewes
The 3 labs Delaware certifies closest to Lewes, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Water Testing Laboratories of MD
Salisbury, MD · about 35 miles
Chesapeake Environmental Lab
Stevensville, MD · about 65 miles
Water Testing Laboratories of MD
Stevensville, MD · about 65 miles
Delaware Division of Public Health: Test kits for private well owners, for bacteria plus nitrate, nitrite, iron, fluoride, sodium, hardness and other minerals. Pick one up and bring it back on a weekday at state health offices, including Newark, Smyrna and Georgetown. No charge for the kit or the testing. Private Drinking Water, Delaware Health and Social Services.
All 13 certified labs for DelawareZIP codes in Lewes
Which ZIP codes are in Lewes: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Delaware Office of Drinking Water, approved laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Lewes
Other towns in Sussex County with a page of their own.
What to do next
- Read Lewes Board of Public Works’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water