Is North Star, DE tap water safe?
The short answer
None of the 3 utilities serving North Star has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Delaware’s records.
Newark Water Department, which serves the most people here, has 2 results above EPA’s new limit, which takes effect in 2029, 1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 87.6 ppb, above the limit’s level, no violation.
The water from Newark Water Department is soft to moderately hard depending on the source, 42 to 71 mg/L (2.5 to 4.1 grains per gallon). How Delaware’s water compares.
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 North Star’s ZIP codes, from EPA’s estimates.
- Open report
Newark Water Department
Delaware · serves 40,000 people · about 6,400 in North Star
2 results above EPA’s new limit, which takes effect in 2029, 1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 87.6 ppb, above the limit’s level, no violation. Hardness: soft to moderately hard depending on the source, 42 to 71 mg/L (2.5 to 4.1 grains per gallon).
No health-based violations since 2016
- Open report
Artesian Water Company
Delaware · serves 231,114 people · about 4,700 in North Star
2 results above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 23.1 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: soft to very hard depending on the source, 9 to 361 mg/L (0.5 to 21.1 grains per gallon).
No health-based violations since 2016
- Open report
Veolia Water Delaware, Inc
Delaware · serves 100,495 people · about 310 in North Star
1 result above EPA’s new limit, which takes effect in 2029 and 2 results above the health goal. The worst: PFOA at 24.4 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: moderately hard to hard depending on the source, 73 to 150 mg/L (4.3 to 8.8 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 Newark Water Department’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS, Lead
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS, Lead
PUR PLUS Faucet Filtration System, Horizontal (PFM400H)
Faucet mount
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: Total trihalomethanes (TTHM), PFOA, PFOS, Lead
Water testing near North Star
The 3 labs Delaware certifies closest to North Star, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Brandywine Science Center, Inc.
Kennett Square, PA · about 8 miles
ALS Environmental – Middletown
Middletown, PA · about 50 miles
Chesapeake Environmental Lab
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 DelawareWhich ZIP codes are in North Star: 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 North Star
Other towns in New Castle County with a page of their own.
What to do next
- Read Newark Water Department’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water