Is South Deerfield, MA tap water safe?
The short answer
1 of the 2 utilities serving South Deerfield has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Massachusetts’s records: South Deerfield Water Supply District.
South Deerfield Water Supply District, which serves the most people here, has 1 result above the health goal. The worst: Lead at 4.3 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 South Deerfield’s ZIP codes, from EPA’s estimates.
- Open report
South Deerfield Water Supply District
Massachusetts · serves 3,800 people · about 490 in South Deerfield
1 result above the health goal. The worst: Lead at 4.3 ppb, above the health goal.
3 health-based violations since 2016
- Open report
Whately Water Department
Massachusetts · serves 900 people · about 120 in South Deerfield
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 22.9 ppb, above EPA’s health benchmark.
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 South Deerfield Water Supply District’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
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
Water testing near South Deerfield
The 3 labs Massachusetts certifies closest to South Deerfield, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Howard Laboratories LLC
South Deerfield, MA · under a mile
Certified for bacteria
Quabbin Analytical Laboratory
Belchertown, MA · about 17 miles
Certified for bacteria
Vallid Labs Inc.
Agawam, MA · about 29 miles
Certified for bacteria
ZIP codes in South Deerfield
Which ZIP codes are in South Deerfield: 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: MassDEP Online Searchable Laboratory Certification Listing, potable water; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near South Deerfield
Other towns in Franklin County with a page of their own.
What to do next
- Read South Deerfield Water Supply District’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