Water Quality in West Haven, CT 06516
By Alexander Snyder, Founder & Water Quality Data LeadLast reviewed July 2026
The water serving 06516 in West Haven has 8 detected contaminants — well below the state average. Fewer detections doesn't necessarily mean safer water; even a single contaminant above health guidelines can pose risks, particularly for infants and immunocompromised individuals. A personalized report shows exactly where your household stands.
Is West Haven, CT tap water safe to drink?
Whether West Haven tap water is safe depends on your household. 8 contaminants have been detected in ZIP 06516. Federal legal limits and stricter health-based guidelines are not the same thing, and some contaminants matter more for vulnerable groups like infants, pregnancy, and older adults. Enter your ZIP above for a personalized risk assessment.
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See how 8 contaminants affect your specific household members — babies, children, pregnant women, elderly, dogs, and cats.
Check 06516 Water NowKey Facts About West Haven Water
8
substances found in local water testing
11
household member types including pets
What West Haven Residents Should Know
West Haven's relatively low detection count of 8 is a positive sign, but it's worth checking the specifics. Contaminants like PFAS (forever chemicals) have extremely low health guidelines — parts per trillion — and even one substance above its health guideline can be meaningful. Well water users should also consider geology-based risks for arsenic and radon that may not appear in public system testing.
Contaminants Detected in West Haven, CT 06516 Water
Detected in public water testing for ZIP 06516, ranked by how often samples were above the EPA limit. Enforceable health limits are shown in red; secondary (aesthetic) standards like manganese are advisory, not legal limits.
| Contaminant | Detected in | Samples | Exceeds EPA limit | EPA limit |
|---|---|---|---|---|
| LeadNO_SAFE_LEVEL | 87.3% | 134 | 7.5% | 0.015 mg/L |
| CopperHAS_SAFE_LEVEL | 100% | 291 | 5.5% | 1.3 mg/L |
| Combined Radium 226/228OTHER | 100% | 8 | No | 5 pCi/L |
| Gross AlphaOTHER | 100% | 6 | No | 15 pCi/L |
| Gross BetaOTHER | 100% | 1 | No | 4 mrem/year |
| CadmiumOTHER | 100% | 2 | No | 0.005 mg/L |
| FluorideHAS_SAFE_LEVEL | 100% | 8 | No | — |
| NitrateHAS_SAFE_LEVEL | 100% | 142 | No | 10 mg/L as N |
Source: EPA SDWIS / UCMR public water testing. Detection and exceedance rates reflect samples in this area; enter your ZIP above for a report personalized to your household. Most recent sample in this area: 2025.
Reading this inside ChatGPT or Claude?
This page can tell you the general science, but not what is actually in your West Haven tap water — that depends on your exact address. You can get your specific answer two ways:
- Inside the chat: ask your assistant to “check my tap water with CheckYourTap”. Our connector returns your ZIP code’s measured contaminant levels — including the derived dog and cat safe levels — and, only if you ask it to, can email you the report or arrange a specialist callback.
- On the web: open CheckYourTap.com and enter your ZIP code for a free 30-second report.
Want to know exactly what’s in your West Haven water?
8 contaminants have been detected in ZIP 06516. Schedule to get your water tested with a Valiant water specialist — they’ll review your results and arrange testing for your home.
Have a dog or cat in West Haven?
5 of the contaminants detected in 06516 have pet-specific concerns — dogs and cats drink far more water per pound of body weight than people, and some are more sensitive. See what they mean for your pet:
Environmental Sites Near West Haven, CT 06516
Documented sites in or near this ZIP from EPA and CT DEEP records. These are most relevant for private-well owners as potential groundwater concerns — public water is treated and tested separately. Their presence near a ZIP does not by itself mean your drinking water is affected, but it’s a reason for well owners to test.
Compiled from EPA (SEMS/TRI/ECHO) and CT DEEP records; many are undated historical site inventories. Most recent dated event in this area: 2026-12-31.
Who in West Haven Is Most Affected
Some contaminants matter more for certain people, because the safe levels for them are stricter than for a healthy adult. Based on the contaminants of concern detected in ZIP 06516 — those found above a limit, or with no safe level (some may be within legal limits but still matter here):
For infants: Lead, Copper, and Combined Radium 226/228.
Lead harms developing brains — there is no safe level for children, and it crosses the placenta; Copper infants are more sensitive to copper's effects at a given level.
For pregnancy: Lead and Combined Radium 226/228.
Lead harms developing brains — there is no safe level for children, and it crosses the placenta; Combined Radium 226/228 a radioactive contaminant with no safe level — developing tissues in infants and during pregnancy are more sensitive to radiation.
For young children: Lead.
Lead harms developing brains — there is no safe level for children, and it crosses the placenta.
Tell us who lives in your home above for a report personalized to the people in it.
Frequently Asked Questions
Is the tap water safe to drink in West Haven, CT?▾
What contaminants are in 06516 water?▾
Is West Haven water safe for infants, pregnancy, and children?▾
Is West Haven, CT tap water safe for dogs and cats?▾
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Does West Haven have well water data?▾
Nearby Areas
Related Reading
About This Report
Water quality data for West Haven, CT 06516 is compiled from public records filed with the U.S. Environmental Protection Agency (EPA SDWIS), the U.S. Geological Survey (USGS NWIS), and the Connecticut Department of Public Health. Health guidelines reference the strictest available standards from the EWG, California OEHHA, and WHO. Risk assessments are personalized for 11 household member types. CheckYourTap is a service of Valiant Energy Solutions, a Connecticut company established in 1930.
This report is general information, not medical advice or a substitute for certified laboratory testing. Talk to your pediatrician or physician about specific health concerns.
By Alexander Snyder, Founder & Water Quality Data Lead. Last updated July 2026